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Philips SureSigns VS4 Vital Signs Monitor Service Manual

1. Remove the two Phillips screws from the board and then remove the board from the LCD frame Removing the Wireless Module To replace the wireless module Step 1 Separate the front and rear case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 Repairing the Monitor 5 50 SureSigns VS4 Service Guide Removing the Wireless Module 2 Pull the antenna cable upward to disconnect it from the wireless board Antenna cable J p Navigation wheel board Wireless board cable J t Sf Ba y ii Be 3 Disconnect the wireless board cable from the navigation wheel board 4 Remove the Phillips screw from the wireless board and remove the board from the LCD frame Repairing the Monitor SureSigns VS4 Service Guide 5 51 Removing the Antenna Removing the Antenna To replace the antenna Step 1 Separate the front and rear case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 2 Disconnect the antenna cable from the wireless board 3 With a 12 mm wrench remove the washer and locking nut from the antenna and then remove the antenna from the front panel Repairing the Monitor 5 52 SureSigns VS4 Service Guide 6 Replacement Parts and Assembly Drawings Spare Parts The following table li
2. Step 1 Separate the front and rear monitor case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 2 Remove the main board assembly See Removing the Main Board Assembly on page 5 18 3 Disconnect the 2 pin and 6 pin power supply connectors from the back of the main board assembly Caution When you reconnect the power supply connect the white 6 pin connector cable to the power supply and the black connector on the end of the cable to the main board If you reverse the connectors the monitor will not power up Repairing the Monitor SureSigns VS4 Service Guide Removing the Main Board 4 Remove the three Torx T10 screws and washers use pliers to release the plastic stand off pin and then remove the power supply from the assembly Plastic stand off pin q E Removing the Main Board Caution Before you replace the main board export the current configuration settings For more information see the Export Settings section of the SureSigns VS4 Installation and Configuration Guide After you replace the main board you must reset the monitor serial number and reconfigure the system For information about resetting the serial number see Resetting the Serial Number on page 5 34 For information about configuring the system see Setting the System Configuration on page 5 35 To remove the main board
3. 1 Requires a Covidien calibration module For more information see Tympanic Temperature Test on page 3 18 2 When used as part of facility protocols Required Test Equipment The following table lists the additional test equipment that you need to perform each of the tests in this chapter Many of these tests also use the standard accessories that are shipped with the monitor To Perform This Test You Need This Test Equipment Visual Test on page 3 12 None Power On Self Test on page 3 12 None Alarms Test on page 3 13 NBP cuff and hose SpO Test on page 3 13 Adult SpO transducer NBP Test on page 3 14 e A reference manometer including hand pump and valve with an accuracy 0 2 e An expansion chamber volume 250 ml 10 e Appropriate tubing Predictive Temperature Test on page 3 18 e SureSigns temperature probe e SureSigns Temperature Calibration Key part number 4535 640 33691 Safety Tests on page 3 19 A multimeter Nurse Call Relay Test on page 3 21 e A patient simulator e An ohmmeter e A phono connector Test Recording Authorized Philips personnel report test results back to Philips to add to the product development database Hospital personnel however do not need to report results The following table describes what to record on the service record after you complete the tests
4. Repairing the Monitor 5 40 SureSigns VS4 Service Guide Removing the Communications LAN Board Removing the Communications LAN Board To remove the communications board Step 1 Separate the front and rear monitor case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 2 Remove the main board assembly See Removing the Main Board Assembly on page 5 18 3 Remove the two Torx T10 screws and washers holding the communications board to the main board assembly Repairing the Monitor SureSigns VS4 Service Guide 5 41 Removing the Battery Connector Board 4 Pull the LAN board away from the 26 pin connector on the main board and remove it a RIO CE VR102 L102 d sr Removing the Battery Connector Board To remove the battery connector board Step 1 Separate the front and rear monitor case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 2 Remove the main board assembly See Removing the Main Board Assembly on page 5 18 Repairing the Monitor 5 42 SureSigns VS4 Service Guide Removing the Battery Connector Board 3 Disconnect the battery board connector from the main board on the main board assembly AC power connector a r a Battery board connector E Repairing the Monitor Su
5. Step 1 Separate the front and rear monitor case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 2 Remove the main board assembly See Removing the Main Board Assembly on page 5 18 Repairing the Monitor SureSigns VS4 Service Guide 5 31 Removing the Main Board 3 Remove the front end assembly See Removing the Front End Assembly on page 5 24 4 Remove the five T10 screws from the main board PN Ra kai x 3 g P Repairing the Monitor 5 32 SureSigns VS4 Service Guide Removing the Main Board 5 Disconnect the NBP tubing from the main board NBP Tubing 6 Disconnect the four cables from the connectors on the main board 7 Remove the board from the assembly Repairing the Monitor SureSigns VS4 Service Guide 5 33 Resetting the Serial Number Resetting the Serial Number When you replace the main board you must reset the serial number The serial number appears in a label marked sN on the back of the monitor To reset the serial number Step 1 Open the Maintenance options of the System Diagnostics menu See Accessing Maintenance Options on page 3 11 2 Select the Reset S N button The Reset Serial Number menu appears Reset Serial Number Serial Number _US93619750_i 3 Select the Serial Number field A keyboard
6. Step 1 In the System Diagnostics menu select the Recorder Test button to start the test The recorder prints a test pattern similar to the following illustration 2 Use the pattern to identify the recorder problem such as a faulty print head or motor Troubleshooting SureSigns VS4 Service Guide 4 31 Testing the Navigation Wheel and Keys Testing the Navigation Wheel and Keys The Keys Rotary Wheel Test tests the functions of the navigation rotary wheel and the keys on the front panel If you do not get the expected results see Display Problems on page 4 4 To run the keys rotary wheel test Step 1 In the System Diagnostics menu select the Keys Test button The Keys Rotary Wheel Test window appears Each fixed key on the monitor except On Standby is represented by a button in the right side of the window Keys Rotary Wheel Test Push rotary wheel to exit 2 Press a fixed key on the front of the monitor to test it If the key is working properly the corresponding icon in the test window lights with a grey border for five seconds Repeat for each key on the front of the monitor 3 To test the navigation wheel turn the wheel clockwise or counterclockwise If the wheel is working properly the wheel icon on the screen draws red dots in the direction that you turn the wheel 4 To end the test press the wheel Troubleshooting 4 32 SureSigns VS4 Service
7. Troubleshooting 4 6 SureSigns VS4 Service Guide Troubleshooting Tables Symptom Possible Cause Action NBP measurements are unreliable Wrong cuff size or incorrect cuff placement Use proper cuff size and ensure proper cuff placement Initial pressure setting is incorrect Specify the correct initial pressure For more information see the SureSigns VS4 Installation and Configuration Guide External problem Ensure that all external blood pressure reading requirements are met and that the patient is not moving excessively For more information about measuring NBP see the SureSigns VS4 Instructions for Use The NBP module needs to be calibrated Recalibrate the NBP module see NBP Calibration Procedure on page 3 16 The NBP initial pressure too high The cuff is too tight Ensure the cuff is fastened correctly The initial inflation pressure setting is incorrect Specify the correct initial inflation pressure See the SureSigns VS4 Installation and Configuration Guide Temperature Measurement Problems Symptom Possible Cause Action Temperature measurements are not displayed The probe is disconnected from the monitor Ensure that the temperature probe is connected and seated in the probe well The probe is misplaced Ensure that the probe is properly placed in the measurement site The pr
8. 800 x 600 DPI Theory of Operation A 4 SureSigns VS4 Service Guide Block Diagram Components Touch screen 5 wire resistive technology 4096 x 4096 touch point density e Touch screen controller board e Monitor keypad e Navigation wheel Speaker The speaker is driven by an amplifier and Audio CODEC that interfaces to the microprocessor The speaker provides the monitor s audio during alarm conditions The microprocessor outputs different audio tones specified by different alarm priorities and conditions Navigation Wheel The navigation wheel is a rotating push switch wheel The associated wheel circuitry generates a pulse when pressed and generates a digitally encoded pair of quadrature signals whose relative magnitudes and polarities represent the angular position of the wheel These outputs are connected to the microprocessor where they are interpreted as required for the functions involved Successive angular positions determine the direction of wheel rotation In addition to the functions performed in conjunction with the keypad the wheel operates in conjunction with the display to select menus and lists of parameter variables Power Supply Module The monitor contains a medical grade power supply module and circuitry that converts AC lines 100 V 240 V to DC 15 V The power consumption is 75 VA Power Management The power management module contains Li battery I111V 7200 mAH Smart bat
9. Large Battery Icon Return The System Admin Menu remains unlocked for 1 minute after you close it This allows you to open the menu again without having to re enter the password Do not leave the monitor unattended during the unlock time Performance Verification Testing SureSigns VS4 Service Guide 3 5 Accessing the System Admin Menu System Admin Menu Options The following table describes the System Admin Menu options that are explained in this guide All other options on the menu are explained in the SureSigns VS4 Installation and Configuration Guide and the SureSigns VS4 Network Configuration Guide Option Description Demo Mode Demo Mode allows the monitor to be demonstrated without actually monitoring parameters For more information see Enabling Demo Mode on page 3 6 Diagnostics Opens the System Diagnostics menu Monitoring is suspended while this menu is open Note This button is unavailable when the monitor is running in Demo mode For more information see Performing Verification Tests on page 3 10 Upgrade Software Opens the Upgrade Software menu For more information see Upgrading the Software on page 3 7 Enabling Demo Mode Warning Do not connect a patient to a monitor running in Demo mode Values represented in Demo mode do not represent measurements from a patient connected to the monitor and may lead to incorrect diagnoses De
10. Note Philips recommends using a SanDisk or Kingston USB flash drive for software upgrades Performance Verification Testing SureSigns VS4 Service Guide 3 7 Upgrading the Software Caution 3 8 Before you upgrade the software you can back up the system settings by exporting the current configuration settings or by recording them on the worksheets provided in the SureSigns VS4 Installation and Configuration Guide For more information see the SureSigns VS4 Installation and Configuration Guide Do not downgrade the software to an earlier version because it may cause hardware incompatibility and loss of system settings and patient records The current software version is displayed on the start up screen and the System Information window For more information see Viewing System Information on page 4 1 When you upgrade the software e Charge the battery before upgrading the software e Never perform a software upgrade with the monitor connected to a patient Disconnect any USB peripherals Do not upgrade software through a USB hub If the USB port has a clamp in place you may need to remove the clamp to ensure that the USB flash drive can be inserted completely into the USB port After the upgrade starts e Do not unplug the monitor e Do not remove the USB flash drive e Do not press any keys If the upgrade is inadvertently interrupted and the main board data is lost replace the main board For more
11. Reconditioning the battery reduces the Max Error value and in turn increases the accuracy of the Relative Charge When condit the monitor is in suspend mode the Battery service required message appears if the following ions are met The max error value exceeds 8 The Full Capacity value is one half of the Design Capacity value Recondition the battery to clear the message For information about the battery reconditioning procedure see Reconditioning the Battery on page 2 4 Reconditioning the Battery Reconditioning the battery reduces the Max Error value and in turn increases the accuracy of the Relative Charge Philips recommends that you condition the battery by fully discharging and recharging it when the Max Error is 10 or greater Step 1 Open the Battery Info window See Viewing Battery Information on page 2 2 2 Disconnect the monitor from the power source 3 Select Recondition The Relative Charge percentage will decrease to 0 4 When the monitor shuts down connect the monitor to the power source and allow the battery to recharge to 100 5 Repeat step 1 through step 4 Note Jf the battery does not recharge after four reconditioning cycles replace it Replacing the Battery Replace the battery if the following conditions occur After reconditioning if the monitor operates for less than one hour on a fully charged battery before the low battery alarm oc
12. Service Guide SureSigns VS4 Vital Signs Monitor Release A 04 English PHILIPS Part Number 4535 643 03951 Printed in USA June 2012 First Edition MAU IA N D N PHILIPS SureSigns VS4 Vital Signs Monitor SERVICE GUIDE Release A 04 English PHILIPS Notice Proprietary Information This document contains proprietary information which is protected by copyright Copyright Copyright 2012 Koninklijke Philips Electronics N V All Rights Reserved Trademark Acknowledgements SureSigns is a registered trademark of Koninklijke Philips Electronics N V Other product names may be trademarks of their respective owners Manufacturer Philips Medical Systems 3000 Minuteman Road Andover MA 01810 1085 978 687 1501 Document Number 453564303951 Warranty Disclaimer The information contained in this document is subject to change without notice Philips Medical Systems makes no warranty of any kind with regard to this material including but not limited to the implied warranties or merchantability and fitness for a particular purpose Philips Medical Systems shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material Printing History New editions of this document incorporate all material updated since the previous edition Update packages may be issued between editions and contain replacement and addi
13. You must reseat the battery if the following message appears No data from battery Please see your Service Guide For detailed information see Removing the Battery on page 5 3 3 To view the entire list of results select the list to activate scrolling The Battery Info window provides detailed information about battery capacity and charging status including Cycle Count The number of full charge and discharge cycles calculated by the battery Max Error The expected margin of error in the state of the charge calculation The Max Error value is the difference between the Relative Charge value and the Absolute Charge value Relative Charge The predicted remaining battery capacity expressed as a percentage of Full Capacity The value in the Relative Charge field decreases as the battery ages The Battery Status icon HEE U is a graphic representation of the Relative Charge Absolute Charge The predicted remaining battery capacity expressed as a percentage of Design Capacity Full Capacity The predicted capacity of the battery when it is fully charged The value in the Full Capacity field decreases as the battery ages The difference between the value in the Full Capacity field and the value in the Design Capacity field is an indication of battery condition Design Capacity The capacity of a new battery Performing Routine Maintenance SureSigns VS4 Service Guide 2 3 Maintaining the Battery
14. l Rated Maximum Output Power of Transmitter Separation Distance d Separation Distance d Separation Distance d Watts meters meters meters 0 01 0 12 0 12 0 23 0 1 0 37 0 37 0 74 1 1 17 1 17 2 33 10 3 69 3 69 7 38 100 11 67 11 67 23 33 For transmitters rated at a maximum output power not listed above the separation distance d can be estimated in meters using the equation in the corresponding column where P is the maximum output power rating of the transmitter in watts according to the transmitter s manufacturer These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people Electromagnetic Compatibility SureSigns VS4 Service Guide B 5 Electromagnetic Compatibility B 6 SureSigns VS4 Service Guide Index A Absolute Charge 2 3 AC power connector removing 5 39 AC power troubleshooting 4 4 alarms testing 3 13 troubleshooting problems 4 5 alarms technical battery 2 5 antenna removing 5 52 assembly diagrams 6 3 audio testing 4 33 B battery description 2 2 disposing of 2 4 guidelines 2 2 installing 5 4 maintenance 2 2 messages and alarms 2 5 reconditioning 2 4 replacing 2 4 5 3 viewing information about 2 2 battery connector board removing 5 42 battery information viewing 2 2 block diagram t
15. on page 5 31 818 130 NBP Equip Malfunc 130 Response of pressure sensor 2 to test signal is out of range Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 131 NBP Equip Malfunc 131 The difference between the two pressure channels is too large Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 132 NBP Equip Malfunc 132 One of the two valves was activated for too long Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the NBP module See Removing the NBP Module on page 5 36 Troubleshooting SureSigns VS4 Service Guide 4 15 Error Codes Code Description Possible Cause Action 818 133 NBP Equip Malfunc 133 CRC mismatch in calibration data Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 134 NBP Equip Malfunc 134 CRC mismatch in error log data Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If t
16. or an incorrect display follow the troubleshooting steps in Display Problems on page 4 4 When the monitor has power and a functioning display use the information in this chapter to diagnose other monitor problems The following table describes the start up and power on phases of the monitor and its components If the monitor does not behave as described in the following table see Display Problems on page 4 4 For the monitor to start correctly it must be powered correctly and the 3 3V system board supply voltage must be working properly as indicated by the lit LEDs on the front panel User Action Expected Result Plug the AC power cord or insert the battery or both into an unpowered monitor Press the On Standby key The screen displays the color bar for about five seconds The LCD is off and the Charging LED lights when the battery is available The Philips splash screen appears and a tone sounds The Date Time Menu appears for a new time setting After you acknowledge the Date Time Menu the main screen appears Press the On Standby key of the monitor with AC and or battery that is off The screen displays the color bar for about five seconds The LCD is off and the Charging LED lights when the battery is available The Philips splash screen appears in one second and a tone sounds The main screen appears Software reset system or user The screen displ
17. If the problem persists replace the main board See Removing the Main Board on page 5 31 4 28 Troubleshooting SureSigns VS4 Service Guide Running System Diagnostics Code Description Possible Cause Action 1051 System Error Cannot initialize NBP Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1052 System Error Memory error Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1053 System Error Loss of monitoring Informational message No action required Running System Diagnostics Running the Self Test If you cannot identify a problem by using the troubleshooting tables beginning on page 4 3 or the Error Code table on page 4 11 run the diagnostic tests To access the system diagnostic and verification tests open the System Diagnostics menu For more information see Performing Verification Tests on page 3 10 Note You must enter another password to access the Maintenance options Only trained biomedical engineers or support persons should access the Maintenance options Running the Self Test performs the resident self test which includes a complete
18. Performance Verification Testing 3 10 SureSigns VS4 Service Guide Accessing Maintenance Options You must enter an additional password to access the Maintenance options Only trained biomedical Performing Verification Tests engineers or support personnel should access the Maintenance options To access the Maintenance options in the System Diagnostics menu Step 1 Open the System Diagnostics menu See Accessing the System Diagnostics Menu on page 3 10 Select the Maintenance gt gt button In the window that appears enter the password 1 2 9 as shown Please enter the password Diam The System Diagnostics menu displays additional options System Diagnostics NBP Cycle Count 44 LCD Usage Hours 23 1 Errors 0 Self Test Recorder Test Battery Info Keys Test Network Test Reset S N NBP Test Clear Data Display Test Audio Test LED Test q Touch Screen Calibration p Configuration Performance Verification Testing SureSigns VS4 Service Guide 3 11 Visual Test Visual Test To perform the visual test Step 1 Inspect the system for obvious signs of damage for example cracks cuts or breakage 2 Check all external cables and accessories for damage for example cuts kinks wrong connections Ensure that all markings and labeling are legible If the labels on the rear case are not legible replace the rear case
19. System Admin Menu Options ccccccccscssssssecescesseeecesceeseseceseeeeeeseecsecsecsaeeeeceseseeceeeseeeeeceseeaeeaeenaes 3 6 Enabling Demo Mode 26 vite eee encoentens a Re eek Sav ech hae Load aeeai 3 6 Upgrading the Softwares ocne onr sae acc ae a Seu des she 0es i a i a Redd E ie 3 7 Performing Verification Tests ra a E e ds ah a a aea aas aas Eeen ae K arae setenas iaae 3 10 Accessing the System Diagnostics Menu cscesccessessceseeeeeeseeecesecaeeeaeeseecaecaaesaecaeeseenseneeeeeas 3 10 Accessing Maintenance Options eis 4 scecccsicsscten cacchseesselebdee EEE tess EEE Mteoreeses 3 11 Vis al T sto ro es esses SAI ole cacao tet och a eee a ee EE E eel ed N vas Dee eg ot rd ee 3 12 Poweron Self Test cas rmn aaa a dic este cists looeeaseiuteteia aut aut svt eae sh iat sree uke epee th soe esate 3 12 Alarms Testas ai earen i apie sidan JEE EN eh a eee ita i te ies Di ie ee EEA 3 13 OE E A e EA EE E E ETE S ote Acs tab A E EE evan eke EA ta ceth abd abe E htt elke te cakes seetiokes 3 13 NBP Teste ooe iriiri gea i A E ETER TN E RE ds tape R N e NS Pee e iik 3 14 ANSI CAT ETEA ANENE ERT EEEN E EN E AE EENE A E TREE 3 14 NBP Calibration Procedure s 20 2 32 ude niceties bis cae R 3 16 Pneumatic Leakage Testis ac eciiares heen nea ee eee te Aes Gees 3 17 Predictive Temperature Test iscc cccisccc cs etecicsescceedeceestiiesccsee dies EE dues asin EE E E E E a R ts 3 18 Tympanic Temperat re Testis Tersien a E E EA EE O
20. on page 5 44 The main board malfunctioned Replace the main board See Removing the Main Board on page 5 31 The monitor turns on with AC power but does not with battery power The battery is not charged Charge the battery For more information see Maintaining the Battery on page 2 2 The battery or connector is loose Reseat both the battery and battery cable The battery does not have a connection to the main board Replace the battery board See Removing the Battery Connector Board on page 5 42 The main board malfunctioned Replace the main board See Removing the Main Board on page 5 31 The monitor does not turn on with either AC or battery power The LCD cables battery power supply or main board malfunctioned Follow the steps in the power troubleshooting flowchart on the following page Only one of the Charging LED colors is displayed The membrane switch assembly malfunctioned Replace the front panel See Separating the Front and Rear Case Assemblies on page 5 12 The following message is displayed Battery service required The Max Error value exceeds 8 The Full Capacity value is one half of the Design Capacity value Recondition the battery See Reconditioning the Battery on page 2 4 Display Problems Symptom Possible Cause Action The power is on but the monitor The monit
21. tested If the problem persists replace the temperature probe 866 78 Temp Module Malfunc 78 The Probe s non volatile Shut down see Shutting Down the error detection mechanism Monitor on page 5 2 and restart the detected an error monitor If the problem persists replace the front end assembly and the temperature module See Removing the Front End Assembly on page 5 24 and Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 866 79 Temp Module Malfunc 79 The module s non volatile Shut down see Shutting Down the error log memory error Monitor on page 5 2 and restart the detection mechanism monitor detected an error If the problem persists replace the front end assembly and the temperature module See Removing the Front End Assembly on page 5 24 and Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 Troubleshooting 4 20 SureSigns VS4 Service Guide Error Codes Code Description Possible Cause Action 866 80 Temp Probe Error 80 Software is trying to turn Shut down see Shutting Down the off the probe heater but Monitor on page 5 2 and restart the the heater feedback monitor signals that it is still on If the problem persists replace the temperature probe If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover
22. 3 13 Troubleshooting 4 8 SureSigns VS4 Service Guide Navigation Wheel Touch Screen and Key Problems Troubleshooting Tables Symptom Possible Cause Action The monitor does not respond to the navigation wheel or front panel keys The main board has a faulty connection Ensure that all connectors to the main board are seated correctly The front panel keypad or navigation wheel is broken Replace the membrane switch or navigation wheel See Removing the LCD Assembly on page 5 44 or Removing the Navigation Wheel Assembly Board on page 5 47 The main board malfunctioned Replace the main board See Removing the Main Board on page 5 31 The membrane switch assembly malfunctioned Replace the front panel See Removing the LCD Assembly on page 5 44 Pressing a key does not access the expected function For example pressing the Print key initiates an NBP measurement The membrane switch assembly malfunctioned Replace the front panel See Removing the LCD Assembly on page 5 44 A key is collapsed or doesn t click when pressed The membrane switch assembly malfunctioned Replace the front panel See Removing the LCD Assembly on page 5 44 The monitor does not respond to the touch screen The touch screen is locked On the System Menu select the Unlock Touch Screen button See Accessi
23. A 8 Index 4 SureSigns VS4 Service Guide
24. For example in Europe use IEC 60601 1 IEC 60601 1 1 and in the United States use UL 60601 1 The Metron Report should print results with the names listed below together with other data Note Safety tests meet the standards of and are performed in accordance with IEC 60601 1 Clause 19 EN60601 1 The SureSigns VS4 vital signs monitors have been classified as Class I equipment To perform these tests you need a multimeter The monitor safety tests include e Enclosure leakage e Ground integrity e Patient leakage current with mains voltage Enclosure Leakage S 1 Part 1 Enclosure Leakage Current NC normal condition Medical Electrical Equipment Instrument under test Signatparts e Signal paris in and or in and or output output Other Instrument P iad Applied part Not present in Class 2 Can be multiple different connections to different equipment at same time Expected Test Results Normal condition maximum leakage current x1 lt 100uA This measures leakage current of exposed metal parts of Instrument under Test IUT and between parts of the system within the patient environment normal and reversed polarity using S2 Safety test according IEC 60601 1 UL 60601 1 S 1 Part 2 Enclosure Leakage Current Single Fault open earth Performance Verification Testing SureSigns VS4 Service
25. If the serial number label is not legible contact the Philips Customer Care Center or your local Philips representative to return the monitor for label replacement Check for any obstructions to mechanical parts The expected test result is that the system has no obvious signs of damage or obstruction Note Philips employees record this value as V P or V F Power On Self Test To perform the power on self test Step 1 Connect the monitor to an AC power source 2 Press the On Standby key to power up the monitor Make sure that the monitor powers up successfully as described in the following sequence The screen displays color bars for about five seconds The LCD turns off for three seconds and the charging LED lights e The Philips screen appears for one second and a startup tone sounds The main screen appears The expected result is that the monitor starts up and displays the main screen For detailed information about the start up and power sequences see Start up and Power Sequences on page 4 2 If the LEDs do not function as expected see Power Problems on page 4 4 If the display does not function as expected see Power Problems on page 4 4 or Display Problems on page 4 6 If you do not hear a startup tone or the monitor displays the Speaker Malfunc error message see Error Codes on page 4 11 Note Philips employees record
26. Mac Bas Wade Che cath Oise EE E 2 2 About the Battery orrira sees ee eee es 2 2 Viewing Battery Information ccceceesccescescesceseeesecsceseceseeaeceeceseseenseseeceseeeecaeeeaecseeeaeeeeeaeentees 2 2 Reconditioning the Battery ss necesn otk he seh Rod ish Bie dick havea Ces eke seh Wee ees 2 4 Replacing the Battery 4 vite fies A ie E E Gta hace Bsa khan ne intete 2 4 Battery Messages and Alarms nionee anno E ei cece 2 5 B chnical A lar s 4 scestest assptvetvseeeeal aabenra vial acest outa oseestivatowane ie 2 5 Error COdES iioa Ade Aiken ast eh ished Rachael sede A ea Revels 2 5 3 Performance Verification Testing OV ELVIS AE ce acces T ed conten Gareth bo ie tele eee AL nis On Me rand SE eds A eee cele 3 1 Testing and Insp ction Guidelines co c cs 2 cg cccecececs ccc csceeiecdievsaecscecedeuevedeccbeneeiocdatestevivds vekd easels E AE EE E 3 1 Recommended Frequency aissecscecceczesetandencasstet is vaa8h Souscvekib sada ce Wait aa r E wise eb EEEE 3 2 Required Test Equipment nengeri dele even electives ga A E dae levee E td EAEE dk E ETER 3 3 Test Recording reenn ine aE A E a canis abies bene ast Suc adi E shetie whee esa ace ton Svea ane ersten 3 3 Accessing the System Menut reee ee thc hes he veces seeds Seca he vce sed tence E EE E dvds ond S dele a N aeiae 3 4 Accessing the System Admin Menu cccccccssessesssesseeeseesececesesseenseeeeeaceseecaecsaecaecaaeaeceesesessesseseeseaecaeeaeeaeenaeentens 3 5
27. NBP Equip Malfunc 117 Inflation cycle count and Shut down see Shutting Down the runtime data checksum Monitor on page 5 2 and restart the error monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 118 NBP Equip Malfunc 118 Unable to write inflation Shut down see Shutting Down the cycle count and runtime Monitor on page 5 2 and restart the data to non volatile monitor EMOTY If the problem persists replace the main board See Removing the Main Board on page 5 31 818 119 NBP Equip Malfunc 119 Unable to verify inflation Shut down see Shutting Down the cycle count and runtime Monitor on page 5 2 and restart the data written to monitor non volatile memory If the problem persists replace the main board See Removing the Main Board on page 5 31 818 120 NBP Equip Malfunc 120 A new message will be Shut down see Shutting Down the sent to the host although Monitor on page 5 2 and restart the the previous message is monitor not finished If the problem persists replace the main board See Removing the Main Board on page 5 31 818 121 NBP Equip Malfunc 121 Pressure value from Shut down see Shutting Down the second pressure sensor not Monitor on page 5 2 and restart the available monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 122 NBP
28. Performance and Safety tests before you put the monitor into operation Failure to perform these tests can result in erroneous monitor readings For more information about performing safety and performance tests see Chapter 3 Performance Verification Testing Caution Observe ESD electrostatic discharge precautions when working inside the monitor Tools Required for Service The following tools and additional test equipment are required to disassemble repair and re assemble the monitor 1 2 Phillips screwdrivers Torx T10 T20 screwdrivers e Small and medium flathead screwdrivers 10mm 12 mm wrenches e Needle nose pliers e Plastic cable zip ties e Wire cutters e ESD mat and wrist strap Shutting Down the Monitor Perform a hard shutdown whenever you need to power down the monitor for repair Performing a hard shutdown ensures that all patient and system data is saved in memory To perform a hard shutdown Step 1 Open the System Menu See Accessing the System Menu on page 3 4 2 Select the Shutdown button 3 In the confirmation window that appears select the Yes button The monitor shuts down Repairing the Monitor 5 2 SureSigns VS4 Service Guide Removing the Battery Removing the Battery Caution Before removing the battery perform a monitor hard shutdown To remove the battery Step 1 Shut down the monitor
29. Removing the Power S pply eccrine cxsoeicdereee ieee aristocrats eae ces Rew ae ee ichigo 5 30 Removing the Main Boardisssecc necne ste cee sav cde tuse chcuseetiack A a a R i e 5 31 R setting the Serial Number ioe sses 5ccenessysdejcess e r E sp yuk ease steayh ondescestheseeats puss uces ddsvhestnese suucesenadyyhecdensaneey 5 34 Setting the System Config urati onicescccccccccedecccesscdgeccess gai e E e EEE E E A E ja E E 5 35 Removing the NBP Mod le matra n a a e RUG beh So ee e A cee 5 36 Removing the NBP Filter icc oreren a er es E r E e EE 5 38 Removing the AC Power Connector ccccccecseeseessessecsecnecsecseesecsceseeeceseeeecaeesaecsecsaecaeceesuaeseeneeeeeeeaeeneeeaeeeeenees 5 39 Removing the Communications LAN Board ccccccesccsscessceseeseeesceseeseceseeseecaeesaecsecsaecseceaenaeceesseeeeeseseeeeaeesaeenees 5 41 Removing the Battery Connector Bo rd sisoniiissnnnn ren a E REE E E RET R 5 42 Removing the LCD Assembly oee e e EEE E E EA E EE EE van EEEE EESE TaS EEE EE 5 44 Removing the Navigation Wheel Assembly Boatd ccccceccssssscescessceseeseeeeceseesaecaecsaecaecsseneeceeneeeeeesreneeeaeesaeenees 5 47 Removing the Touch Screen Board cc s 35 c c cccedecesectcceee ste ni EE E E a e EEEE E E i 5 50 Removing the Wireless Module a e ae ee A ee ee 5 50 Removing the Antenna sso 0s ese ieri iei e EEE EEE de E EEE E a vivesite A T E ET 5 52 6 Replacement Parts and Assembly Drawings S Pare Parts ore ieni r
30. Removing the Main Board on page 5 31 818 107 NBP Equip Malfunc 107 Unable to verify init flag data written to non volatile memory Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 Troubleshooting 4 12 SureSigns VS4 Service Guide Error Codes Code Description Possible Cause Action 818 109 NBP Equip Malfunc 109 Unable to write NBP configuration data to non volatile memory Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 110 NBP Equip Malfunc 110 Unable to write NBP configuration data to non volatile memory Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 111 NBP Equip Malfunc 111 Calibration data checksum error Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 112 NBP Equip Malfunc 112 Unable to write calibration data to non volatile memory Shut down see Shut
31. Removing the Main Board Assembly on page 5 18 3 Remove the front end assembly See Removing the Front End Assembly on page 5 24 4 Remove the NBP module See Removing the NBP Module on page 5 36 5 Use wire cutters to cut the plastic zip tie securing the filter to the module and disconnect the filter from the NBP filter tube Plastic zip tie Caution When you reassemble the NBP filter secure it to the NBP module with a new plastic zip tie Repairing the Monitor 5 38 SureSigns VS4 Service Guide Removing the AC Power Connector Removing the AC Power Connector To remove the AC power connector Step 1 Separate the front and rear monitor case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 2 Remove the main board assembly See Removing the Main Board Assembly on page 5 18 3 Squeeze the power cord retaining clip and remove it from the bolts 4 Disconnect the AC In cable from the main board assembly Repairing the Monitor SureSigns VS4 Service Guide 5 39 Removing the AC Power Connector 3 Remove the two AC power connector screws s Equipotential grounding post f i e ay 6 Use a 10 mm wrench to remove the washer from the equipotential grounding post and disconnect the cable from the lug 7 Slide the AC power connector out of the mounting bracket
32. Replace the SpO gt board See Removing the SpO Board on page 5 28 833 40 SpO2 Equip Malfunc 40 SpO non volatile memory corrupted Replace the SpO board See Removing the SpO Board on page 5 28 834 SpO2 Sensor Malfunc Malfunction of the SpO gt sensor or sensor cable Check the SpO gt sensor and extension cable If the problem persists check the cable between the front end board and SpO board Reseat it if necessary If the problem persists replace the SpO board See Removing the SpO Board on page 5 28 If the problem persists replace the front end assembly See Removing the Front End Assembly on page 5 24 835 FPGA FIFO Overrun SpO gt software error Informational message No action required 836 SpO2 Communication Error SpO gt communication error Informational message No action required If the message continues replace the SpO board See Removing the SpO Board on page 5 28 Troubleshooting 4 18 SureSigns VS4 Service Guide Error Codes Code Description Possible Cause Action 837 pO2 Error The front end No data from SpO Allow the monitor to reset Replace the will now reset itself SpO gt board See Removing the SpO Board on page 5 28 If the problem persists replace the front end assembly See Removing the Front End Assembly on page 5 24 If the problem persi
33. See Shutting Down the Monitor on page 5 2 2 Disconnect the AC power cord from the rear of the monitor 3 Tip the monitor and insert a flathead screwdriver into the slot in the bottom of the case under the battery cover Caution Do not try to remove the battery cover by inserting the screwdriver into the vents in the cover This can damage the battery case cover 4 Slightly twist the screwdriver to pop the battery cover off of the case Repairing the Monitor SureSigns VS4 Service Guide 5 3 Removing the Battery 5 Press down on the battery retaining clips and pull the battery out of the monitor by the ribbon Reinstalling the Battery To reinstall the battery Step 1 Orient the battery so that the contacts and ribbon are on the right 2 Insert the battery into the empty battery compartment and push it in until the battery snaps into place behind the metal retaining clips Repairing the Monitor 5 4 SureSigns VS4 Service Guide Removing a Fuse Replace the battery cover by inserting it into the battery opening with the two tabs facing up Snap the battery cover into place by pressing it firmly against the monitor case Removing a Fuse To remove a fuse in the AC power connector Step 1 Disconnect the AC power cord from the rear of the monitor 2 Remove the battery from the m
34. United States Federal Law restricts this device to sale by or on the order of a physician vi SureSigns VS4 Service Guide Safety Standards Parameter Specification EN IEC 60601 1 EN IEC 60601 1 2 EN IEC 60601 1 1 as applicable EN IEC 60601 2 30 EN TEC 60601 2 49 ISO 9919 EN12470 5 2003 E ASTM E1965 98 Protection Class Class I internally powered equipment per IEC 60601 1 Degree of Protection Type CF defibrillator proof per IEC 60601 1 Mode of Operation Continuous Protection Against Hazards of Equipment is not suitable for use in the presence of a flammable Ignition of Flammable anaesthetic mixture with air or oxygen or nitrous oxide per IEC Anaesthetic Mixtures 60601 1 SureSigns VS4 Service Guide vii viii SureSigns VS4 Service Guide Contents 1 Overview Intended Audicioni en waiaind dnb ina e aA E EEE aoc Bele a dintia dene E a n 1 1 Navigation Conttols 2 ic03 esis E ae is ft E E aiden eb Nit Bee es 1 1 Sure Signs V54 Doctitnentationc ccocccsceeeceeeeen eee tence Rise Me 1 1 2 Performing Routine Maintenance Recommended Frequency c auone eva lesle tits Sie E tee Hie a cee a a a o 2 1 Routine Safety and Operational Checks cccccceseescesscescesseeeeeseeseecseescensecsecaeeseseceseeseceasescecaecaaeeecaeeeeeeseseeseeeeneenes 2 1 Cleaning and Disinfecting the Monitor siscei hed 23a cid Medes asad aie hse Mee A ete A i RE E 2 1 Maintaming the Battery E EEEE EEEE
35. VS4 Service Guide 5 35 Removing the NBP Module Removing the NBP Module Caution After replacing the NBP module you must reset the NBP cycle count and run the NBP tests For more information about resetting the NBP cycle count see Viewing and Resetting Tracked Parameters on page 4 34 For information about running the NBP test see NBP Test on page 3 14 To remove the NBP module Step 1 Separate the front and rear monitor case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 2 Remove the main board assembly See Removing the Main Board Assembly on page 5 18 3 Remove the front end assembly See Removing the Front End Assembly on page 5 24 4 Remove two Torx T10 screws and washers from the metal bracket holding the NBP module assembly to the bottom of the main board Repairing the Monitor 5 36 SureSigns VS4 Service Guide Removing the NBP Module Lift the NBP module and gently pull it free from the pressure sensor tube connectors on the main board Connector 4 a lt Repairing the Monitor SureSigns VS4 Service Guide 5 37 Removing the NBP Module Removing the NBP Filter To remove the NBP filter Step 1 Separate the front and rear monitor case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 2 Remove the main board assembly See
36. and restart the the allowed time slot monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 867 59 Temp Module Malfunc 59 Battery or power supply Replace the front end assembly See voltage below maximum Removing the Front End Assembly on value page 5 24 867 60 Temp Module Malfunc 60 Battery or power supply Replace the front end assembly See voltage exceeds minimum Removing the Front End Assembly on value page 5 24 867 61 Temp Module Malfunc 61 Reference voltage circuit Shut down see Shutting Down the under voltage or unstable Monitor on page 5 2 and restart the monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 867 62 Temp Module Malfunc 62 The module is not Replace the temperature module See calibrated Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 Troubleshooting 4 22 SureSigns VS4 Service Guide Error Codes Code Description Possible Cause Action 867 65 Temp Module Malfunc 65 Error saving to the module s EEPROM Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and P
37. in this chapter Performance Verification Testing SureSigns VS4 Service Guide 3 3 Accessing the System Menu Note P pass F fail X measured value as defined in tests in this chapter Test What to record Visual V P or V F Power On PO P or PO F NBP NBP P X1 X2 X3 or NBP F X1 X2 X3 Safety S 1 P X1 X2 or S 1 F X1 X2 S 2 P X7 or S 2 F X1 S 3 P X7 or S 3 F X1 Accessing the System Menu Use the System Menu to configure the monitor view system information shut down the monitor and access the System Admin Menu For more information about using the System Menu to configure the monitor see the SureSigns VS4 Instructions for Use or the SureSigns VS4 Installation and Configuration Guide To access the System Menu e Select the System button The System Menu appears System Menu Recorder Speed Waveform Print Date Format Display Time Default Patient Type Monitor Name Serial Number Hardware ID Software Version LAN MAC Address LAN IP Address WLAN MAC Address WLAN IP Address Language Configuration Performance Verification Testing 3 4 SureSigns VS4 Service Guide Rs ra 25 0 mm s Save Patient Records 20 seconds ___ System Admin _mmiddiyyyy Shutdown Lock Touch Screen Adult XN ustooo0001 USL0000001 5 00 A6 A 04 52 00 09 FB 10 4B 3C 0 0 0 0 00 17 23 A1 84 B2 0 0 0 0
38. information see Removing the Main Board on page 5 31 To perform a software upgrade Step 1 Connect the monitor to AC power and turn on the monitor Note Your monitor must be connected to AC power and have a fully charged battery before upgrading the software 2 Insert the USB flash drive with the software upgrade into the USB port on the back of the monitor Note The software upgrade folder must be located in the top directory of the USB flash drive 3 Open the System Admin Menu See Accessing the System Admin Menu on page 3 5 Performance Verification Testing SureSigns VS4 Service Guide Upgrading the Software Step 4 Select the Upgrade Software button The monitor searches for a valid software image on the USB flash drive and then displays the software image information in the Upgrade Software window Upgrade Software Current Version New Version If the monitor cannot find a valid software image the screen returns to the System Admin Menu 5 Select the Upgrade Software button to start the upgrade The Upgrade in Progress indicator increments while the upgrade is in progress When the upgrade is complete the Checking Memory CRC and Upgrade Successful messages appear After the software upgrade the monitor automatically shuts down and restarts 6 Remove the USB flash drive 7 Before placing the monitor back in service perform the following e Power o
39. leave it in place for 15 minutes to ensure a strong bond Caution This step is crucial to ensure a secure bond It takes 24 hours to attain full bonding Reattach the rear cover and temperature probe cover holder to the monitor After you replace the temperature module complete all necessary performance tests For more information see Testing and Inspection Guidelines on page 3 1 Repairing the Monitor SureSigns VS4 Service Guide 5 9 Removing the Tympanic Temperature Module Removing the Tympanic Temperature Module To remove the tympanic temperature module Step 1 Disconnect the AC power cord from the rear of the monitor 2 Disconnect the temperature probe 3 Remove the battery from the monitor see Removing the Battery on page 5 3 4 Separate the front and rear cases See Separating the Front and Rear Case Assemblies on page 5 12 5 Remove the three Torx T10 screws and washers from the bottom of the rear cover and remove the cover from the monitor case 6 Disconnect the temperature module cable from connector on the front end assembly board 7 Remove the plastic labels covering the three screw holes Repairing the Monitor 5 10 SureSigns VS4 Service Guide Removing the Tympanic Temperature Module 8 Remove the three Torx T10 screws and washers from the temperature module 9 Gently pull the temperature
40. module 8 Gently pull the temperature module and temperature module cable away from the monitor Reinstalling the Predictive Temperature Module To reinstall the temperature module Step 1 Use isopropyl alcohol to clean the surface where the adhesive strip will be applied Ensure that the surfaces are clean and free of any adhesive residue Dry the surface thoroughly 2 Place a new adhesive strip on the temperature module Repairing the Monitor 5 8 SureSigns VS4 Service Guide Removing the Predictive Temperature Module and Probe Cover Holder Caution Feed the temperature module cable through the top vent slot on the side of the monitor and over the top of the front end board Note You may need to open the front and rear case assemblies to reattach the temperature module cable See Separating the Front and Rear Case Assemblies on page 5 12 _ Adhesive foam tape Reattach the temperature module cable to the front end board Be sure the gold leads of the temperature module cable are facing toward the back of the monitor Remove the paper backing from the adhesive tape on the temperature module Align the screw holes of the temperature module with the screw holes on the monitor Secure the temperature module to the monitor with two Torx T10 screws Place the monitor on its side and then place a 10 lb to 15 Ib weight on the module and
41. module cable out of the monitor and remove the temperature module from the monitor Repairing the Monitor SureSigns VS4 Service Guide 5 11 Separating the Front and Rear Case Assemblies Separating the Front and Rear Case Assemblies To install internal replacement parts you must first separate the front and rear case assemblies To separate the front and rear case assemblies Warning The metal edges on the inside of the front case assembly are sharp Use extreme caution when handling the separated monitor assemblies Step 1 Disconnect the AC power cable from the back of the monitor 2 Disconnect all external cables from the monitor 3 Remove the battery from the monitor see Removing the Battery on page 5 3 4 Remove the USB hub if attached from the rear cover 5 Remove the two Torx T20 screws from the top of the rear case Caution Cables run between the front and rear case assemblies Repairing the Monitor 5 12 SureSigns VS4 Service Guide Separating the Front and Rear Case Assemblies 6 Remove the two Torx T20 screws from the bottom of the rear case 7 Separate the front and rear case assemblies by pulling the lower edge of the front case assembly and slowly lifting it up over the handle Repairing the Monitor SureSigns VS4 Service Guide 5 13 Separating the Front and Rear Case Assemblies 8 Carefully disc
42. replace the main board See Removing the Main Board on page 5 31 1043 System Error Work thread timed out Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1044 System Error Front end software error Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1045 System Error Printing software error Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1047 System Error Monitoring software error Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1048 System Error An exception was detected in the alarming software Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1050 System Error Failed to stop work thread Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor
43. replaceable For more information see Chapter 6 Replacement Parts and Assembly Drawings Theory of Operation SureSigns VS4 Service Guide A 1 Block Diagram Components Block Diagram Note Shaded items are replaceable A 2 Patient Isolation Theory of Operation SureSigns VS4 Service Guide Speaker K Fan A Main Board SDRAM Flash Memory Communications Board LAN USB hub USB Nurse Call D Front Panel Assembly Front End Interface Regulator Battery Charger Main Board Block Diagram Components The main board contains these components Intel X_Scale microprocessor 32 Mb flash memory 64Mb SDRAM LAN controller 10 100T Power management control Voltage regulator Smart battery charger that monitors status of battery USB 1 1 compliant LCD drivers Front end interface circuitry Fan control LVDS buffer for LCD interface Power distribution and monitoring VGA DAC Audio NBP pump control circuitry Connectors DC input wire to AC DC module Speaker LCD Touch screen Control board B2B patient daughter board B2B VGA daughter board B2B I O daughter board B2B recorder board Front End Board The Front End Board contains circuitry for the following functional inputs Analog circuitry SpO2 Temperature Isolatio
44. the text Caution A Caution calls attention to a condition or possible situation that could damage or destroy the product or the user s work Warning A Warning calls attention to a condition or possible situation that could cause injury to the user and or patient SureSigns VS4 Service Guide iii Explanation of Symbols The following symbols appear on the monitor and its packaging Symbol Description Symbol Description Alarm Silence key gt SAh NBP key NBP Interval key Main Screen key 8 Print key On Standby key CE marking Serial number Prescription Use Only US Federal Law Batch code Catalog number rr el OO Electrostatic sensitive device handling Fragile handle with care Temperature limitation y J a Ae lt a a 3 Keep dry Keep upright A014NA 9 Atmospheric pressure limitation Humidity limitation SpO2 SpOz connector Canadian ISM requirement Caution consult accompanying documents Temperature connector o Battery charging LED AC Power LED iv SureSigns VS4 Service Guide Symbol Description Symbol Description a NBP connector USB port A Nurse call connector O a Option number 100 240V 50 60Hz 120VA T1 6A 250V Input power and fuse rating E m Ethernet port EUFP Environmentally friendly
45. 3 Remove the plastic labels covering the two Torx T10 screws holding the faceplate to the monitor case Repairing the Monitor 5 16 SureSigns VS4 Service Guide Removing the Faceplate or Recorder 4 Remove the two screws and lift the faceplate off 5 Open the recorder door on the rear case assembly and remove the paper roll 6 Loosen do not remove the two Torx T10 screws holding the recorder to the monitor case Repairing the Monitor SureSigns VS4 Service Guide 5 17 Removing the Main Board Assembly 7 Place your thumbs on either side of the recorder case and pull it straight out of the assembly and away from the recorder connector on the main board Caution When you reassemble the recorder or faceplate do not overtighten the screws Removing the Main Board Assembly This section describes how to remove the main board assembly from the rear case and how to reinstall it Removing the Main Board Assembly To remove the main board assembly from the rear case Step 1 Separate the front and rear case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 2 Remove the faceplate or recorder See Removing the Faceplate or Recorder on page 5 16 Repairing the Monitor 5 18 SureSigns VS4 Service Guide Removing the Main Board Assembly Disconnect the fan and speaker
46. 36 If the problem persists replace the main board See Removing the Main Board on page 5 31 833 1 SpO2 Equip Malfunc 1 SpO ROM checksum error Replace the SpO gt board See Removing the SpO Board on page 5 28 833 2 SpO2 Equip Malfunc 2 SpO RAM test error Replace the SpO gt board See Removing the SpO Board on page 5 28 833 4 SpO2 Equip Malfunc 4 SpO gt analog signal path self test failed Replace the SpO gt board See Removing the SpO Board on page 5 28 Troubleshooting SureSigns VS4 Service Guide 4 17 Error Codes Code Description Possible Cause Action 833 6 SpO2 Equip Malfunc 6 SpO gt self test timeout Reseat the SpO gt board If the problem persists replace the SpO board See Removing the SpO Board on page 5 28 833 8 SpO2 Equip Malfunc 8 SpO gt internal DSP communication error Replace the SpO board See Removing the SpO Board on page 5 28 833 10 SpO2 Equip Malfunc 10 SpO host communication error Replace the SpO board See Removing the SpO Board on page 5 28 If the problem persists replace the front end assembly See Removing the Front End Assembly on page 5 24 If the problem persists replace the main board See Removing the Main Board on page 5 31 833 20 SpO2 Equip Malfunc 20 SpO gt hardware defect
47. 5 39 261 System Error Battery is overcharged Run the monitor without AC power If the problem persists replace the battery See Removing the Battery on page 5 3 If the problem persists replace the main board See Removing the Main Board on page 5 31 264 temp value System Error Battery is over temperature Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the battery See Removing the Battery on page 5 3 If the problem persists replace the main board See Removing the Main Board on page 5 31 817 FPGA FIFO Overrun NBP software error Informational message No action required 818 2 NBP Equip Malfunc 2 NBP power on self test failed because the A D converter is inoperative or the pressure transducer offset is too large Replace the NBP module See Removing the NBP Module on page 5 36 If the problem persists replace the main board See Removing the Main Board on page 5 31 Troubleshooting SureSigns VS4 Service Guide 4 11 Error Codes Code Description Possible Cause Action 818 15 NBP Equip Malfunc 15 NBP abnormal unrecoverable system errors with internal firmware Replace the main board See Removing the Main Board on page 5 31 818 25 NBP Equip Malfunc 25 NBP hardware malfunctioned becau
48. 71 6 2 20 NBP pump valve assembly with filter 4535 642 08081 6 2 19 Replacement Parts and Assembly Drawings SureSigns VS4 Service Guide 6 1 Spare Parts Description Part Number Figure Item Number Power input module AC 4535 640 51201 6 2 29 Power supply module 4535 640 20471 6 2 14 Rear case with handle 4535 643 57431 6 2 26 Rear Cover 4535 642 09241 6 2 25 Recorder assembly 4535 640 95691 6 2 Dai RS 232 serial adapter includes USB hub insulator 9898 031 59601 Not shown sheath and USB clamp Small parts kit 4535 640 31481 e Battery compartment cover 6 2 23 e Bed rail hook clip Not shown e D Spring Not shown e Fuses 1600 mA 250V 2 Not shown e Ground strip 6 1 7 e Ground strip for 10 inch screen Not shown e M3 x 0 5 8mm screws 6 Not shown e M4x 0 7 12mm screws 6 Not shown e M4x 0 7 16mm screws 2 Not shown e Navigation wheel 6 1 11 e O ring handle 6 2 34 e Power cord retainer 6 2 28 Rubber feet 4 Not shown e USB clamp Not shown Speaker 4535 642 08091 6 3 35 SpO board 4535 640 20531 6 2 17 Temperature module predictive and probe cover 4535 641 04821 6 2 21 holder Temperature module tympanic 4535 643 57791 6 2 33 Temperature probe cover holder predictive 4535 641 24601 6 2 22 Temperature probe predictive retainer clip 4535 640 82891 Not shown USB Hub 4535 640 39661 Not shown Wireless board 4535 642 70101 6 1 38 Wire
49. E e Eo da yboesundesvorugeeasuicvecs eves 3 18 Contents 1 SureSigns VS4 Service Guide Safety K A EE E eae eee eth eM eee GR eee ee eck AT Ee he ad 3 19 Enclosure Leakage sv c cise ccccccsdesccsscbin Case nr e a i a i a ba vndusels 3 19 Expected Test Result na era raana gal ara paras aa eaea E EEES at ee tans TE ANEN ERS 3 19 Expected Test Results ccsccccescs iie nenii n E EA E E EE 3 20 Ground Inte arity ee e e A evade sates T NE ee dae a EE E 3 20 Expected Test Results osc ics ccsoecesecad tres ieceediccccbel Pie io E EKE EE E EET EEEE T E 3 20 Patient Leakage Current With Mains Voltage ccccccsssssssescesecesceseeeecesceseeeeecaeeeeeeaeeeecaeenaeeneens 3 21 Expected Test Results fice sccc cesnccccegecalasees cei ct cccienc cod eggeven E EE E dg tence dsteeeee dh 3 21 Nurse Call Relay Test cx eins cietnedicistent cue teats Steen Ge a A an eee ee eet 3 21 Calibrating the Touch Seretse iini ii e E R R R e i vivesteest 3 22 4 Troubleshooting When You Cannot Correct a Problem s sseesssesssssseeesseeeesersesetsterestenessestssestsessenesseeeeseesesessesesset 4 1 Viewing System Information cceeccesceescescessessceseeesecseesaecsecsseeecsseesecaceseenaecaeeeaecaaesaecaeceaeesesreneseeeeseeneeeneeeseesees 4 1 Diagnosing Problem nccrne i a e e cde a E iae E AEREE EEE GE E E 4 1 Start up sand Power Sequences dieen n a a PMG R RU bee tang SE Se Aa ee 4 2 Troubleshooting Tables ic s2 ccccsccc eecccsac
50. English VS4 SpO2 Temp T NBP P Recorder Accessing the System Admin Menu Accessing the System Admin Menu You can use the System Admin Menu to configure password protected functions of the monitor including Demo Mode system diagnostics and upgrading the software For more information about using the System Admin Menu to configure the monitor see the SureSigns VS4 Installation and Configuration Guide To access the System Admin Menu The System Admin Menu opens System Admin Menu Language Alarm Tone Minimum Alarm Tone Volume Alarm Pause Duration Default NBP Interval Default Continuous SpO2 Default Save SpO2 to Patient Record SpO2 Alarm Delay High Low Minimum Nurse Call Alarm Priority Auto Suspend Default Initial NBP Inflation Pressure Adult 160 Pediatric 140 Neonate 100 Align Interval to Clock C Auto Save Patient Record C 1 minute E Save Current Alarm Settings as Default Restore Factory Default Alarm Settings Latch Physiological Allow Alarm Disable Caution Step 1 In the System Menu select the System Admin button 2 In the window that appears enter the Administrator password 2 1 5 as shown Please enter the password 3 Select OK Diagnostics reless Data Export Upgrade Softwai Export Se Import Settings Patient ID Settings QuickCapture QuickAlerts _ Date T e Settings D Certificate Demo Mode Allow Audio Off
51. Equip Malfunc 122 The 5 volt supply voltage Shut down see Shutting Down the value is too high or low Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 Troubleshooting 4 14 SureSigns VS4 Service Guide Error Codes Code Description Possible Cause Action 818 123 NBP Equip Malfunc 123 Error from the 5 volt regulator Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 124 NBP Equip Malfunc 124 The 12 volt supply voltage value is too high or low Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 128 NBP Equip Malfunc 128 Offset of pressure sensor 1 is out of range Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 129 NBP Equip Malfunc 129 Offset of pressure sensor 2 is out of range Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board
52. Guide Testing the Display Testing the Display To test the display Step 1 In the System Diagnostics menu select the Display Test button to start the test The display test draws a sequence of patterns on the monitor screen Each pattern displays for five seconds When the last pattern is drawn the sequence starts again from the first pattern The following describes the test patterns displayed Pattern Description of Screen Vertical Bars Alternating black and white vertical bars starting with white This description is displayed in red text across the top of the screen Vertical Bars inverse Alternating black and white vertical bars starting with black This description is displayed in red text across the top of the screen Solid White The screen background is white White is displayed in black text that moves across the screen Solid Red The screen background is red Red is displayed in black text that moves across the screen Solid Green The screen background is green Green is displayed in black text that moves across the screen Solid Blue The screen background is blue Blue is displayed in black text that moves across the screen To exit the test press or rotate the wheel Testing the Speaker The audio test plays a sample sound at each of the decibel levels To perform the speaker test Step 1 In the Syste
53. Guide 3 19 Safety Tests Medical Electrical Equipment Instrument under test Signal parts es Signal parte in and or _ in and or output output Other Instrument Applied part Can be multiple different connections to different equipment at same time Expected Test Results Single Fault maximum leakage current x2 lt 5004A IEC 60601 1 lt 300uA UL 60601 1 This measures leakage current of exposed metal parts of Instrument under Test IUT with Protective Earth PE open circuit S4 open and between parts of the system within the patient environment normal and reversed polarity using S2 Ground Integrity S 2 Protective Earth Continuity Instrument under test Applied part If equipotential connection present measure also with yellow green E P conductor connected Expected Test Results With mains cable maximum impedance x lt 100 mOhms IEC 60601 1 and UL 60601 1 This measures impedance of Protective Earth PE terminal to all exposed metal parts of Instrument under Test IUT which are for safety reasons connected to the Protective Earth PE Test current 25 Amp applied for 5 to 10 seconds Performance Verification Testing 3 20 SureSigns VS4 Service Guide Nurse Call Relay Test Patient Leakage Current With Mai
54. Holder on page 5 6 866 81 Temp Probe Error 81 Software is trying to turn Shut down see Shutting Down the on the probe heater but Monitor on page 5 2 and restart the the heater feedback signal monitor says it is still off If the problem persists replace the temperature probe If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 867 24 Temp Module Malfunc 24 Ambient temperature is Check that the fan is running Check all too high venting slots of the temperature module Check the thermal shield plate in the module Verify that the ambient temperature does not exceed operating specifications If the problem persists replace the temperature probe 867 25 Temp Module Malfunc 25 Ambient temperature too Verify that the ambient temperature does low not exceed operating specifications If the problem persists replace the temperature probe 867 27 Temp Module Malfunc 27 Battery or power supply Replace the front end assembly See voltage exceeds maximum Removing the Front End Assembly on value page 5 24 867 28 Temp Module Malfunc 28 Battery or power supply Replace the front end assembly See voltage below minimum Removing the Front End Assembly on value page 5 24 867 47 Temp Module Malfunc 47 Internal calibration Shut down see Shutting Down the resistor RCAL on the board is dam
55. RF Radiated and Conducted Immunity IEC 60601 Compliance Electromagnetic Environment Test Test Level Level Guidance Portable and mobile RF communications equipment should be used no closer to any part of the SureSigns VS4 vital signs monitor including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended Separation Distance Conducted RF 3 V 3V es n d PE 0 150 MHz to 80 MHz IEC 0 15 MHz to 3 61000 4 6 80 MHz Outside ISM bands Radiated RF 3 V m 3 V m d 2 80 MHz to 800 MHz IEC 80 MHz to 3 61000 4 3 2500 MHz d Bg 800 MHz to 2500 MHz where P is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer and d is the recommended separation distance in meters m Field strengths from fixed RF transmitters as determined by an electromagnetic site survey should be less than the compliance level in each frequency range Interference may occur in the vicinity of equipment marked with the following gt Electromagnetic Compatibility SureSigns VS4 Service Guide Table B 3 Electromagnetic Immunity RF Radiated and Conducted Immunity Test IEC 60601 Test Level Compliance Level Electromagnetic Environment Guidance Field strengths from fixed transmitters such as base stations for radio cellular cordless telephon
56. S4 Network Configuration Guide Provides instructions for configuring your monitor to connect to a network using a wired LAN connection a wireless LAN connection or an RS 232 serial adapter SureSigns VS4 QuickCapture Configuration Guide Provides instructions for configuring the QuickCapture feature on the monitor Includes information about defining the set of observations and assessments creating a file to import that information into the monitor and mapping the exported data to an EHR e SureSigns VS4 QuickAlerts Configuration Guide Provides instructions for planning and configuring the QuickAlerts feature on the SureSigns VS4 monitor Includes information about defining the set of alert messages creating a file to import that information into the monitor and mapping the exported data to an EHR Overview SureSigns VS4 Service Guide 2 Performing Routine Maintenance Recommended Frequency Perform the maintenance procedures at the recommended frequency shown in the following table Caution The frequency recommendations in the following table do not supersede local requirements Always perform locally required testing in addition to the testing in this chapter Maintenance Procedure Frequency Routine Safety and Operational Checks e Visual Inspection of exterior for damage Before use e Inspection of labels for legibility Before use Cleaning and Disinfecting According to your institution s policy or
57. Signs VS4 Service Guide NBP Test Step 4 Select NBP Test The NBP Test window appears NBP Test Start Static Pressure Test NBP Calibration Firmware version 0 33 5 Select the Start Static Pressure Test button to start the test 6 Squeeze the manometer pump and apply a pressure of 280 mmHg 7 Wait 10 seconds for the pressure to stabilize Note the pressure displayed in the NBP Test window The value should be 280 mmHg 3 mmHg Note Philips employees record this value as X1 8 Squeeze the manometer pump to apply a pressure of 150 mmHg to the monitor 9 Wait 10 seconds for the pressure to stabilize Note the pressure displayed in the NBP Test window The value should be 150 mmHg 3 mmHg Note Philips employees record this value as X2 10 Select the Stop Static Pressure Test button to stop the test 11 If the difference between the manometer and displayed values is greater than 3 mmHg calibrate the monitor see NBP Calibration Procedure on page 3 16 If the results are as expected proceed to the Pneumatic Leakage Test on page 3 17 Performance Verification Testing SureSigns VS4 Service Guide 3 15 NBP Test NBP Calibration Procedure 3 16 To calibrate the NBP module Step 1 In the NBP Test window Select NBP Calibration Note To stop the calibration process at any time select Stop The NBP Calibration me
58. aged Monitor on page 5 2 and restart the monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 Troubleshooting SureSigns VS4 Service Guide 4 21 Error Codes Code Description Possible Cause Action 867 48 Temp Module Malfunc 48 Internal calibration Shut down see Shutting Down the resistor RCAL is Monitor on page 5 2 and restart the damaged monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 867 49 Temp Module Malfunc 49 Internal circuit validation Shut down see Shutting Down the resistor PTB is damaged Monitor on page 5 2 and restart the monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 867 50 Temp Module Malfunc 50 Internal circuit validation Shut down see Shutting Down the resistor PTB is damaged Monitor on page 5 2 and restart the monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 867 51 Temp Module Malfunc 51 A D measurement timed Shut down see Shutting Down the out and did not finish in Monitor on page 5 2
59. alibration is complete and the following message appears New calibration settings have been measured Press the navigation wheel to accept the new settings Press the wheel to save the calibration settings Touch the screen anywhere to end the test Performance Verification Testing SureSigns VS4 Service Guide 3 23 Calibrating the Touch Screen Performance Verification Testing 3 24 SureSigns VS4 Service Guide 4 Troubleshooting Use the information in this chapter to diagnose and correct monitor problems This chapter describes how to troubleshoot a monitor that is not operating correctly Chapter 5 Repairing the Monitor describes how to perform the recommended repairs You can repair the monitor in either of two ways e Bench repair where you return the monitor to a Philips authorized service center for repair e Spare parts where you order replacement parts and you repair the monitor The tools required to repair the monitor are listed in Tools Required for Service on page 5 2 If you open the case for a repair you then must perform specific tests after reassembly For detailed information about these tests see Chapter 3 Performance Verification Testing The Philips Parts Center stocks board level assemblies and mechanical parts Chapter 6 Replacement Parts and Assembly Drawings lists these parts and assemblies Service notes announce the availability of additional spare part
60. appears 4 Enter the serial number Use the Back button to backspace the Cancel button to close the keyboard without saving or the OK button to save the changes 5 Select the Apply button A confirmation window displays the message System will restart now 6 In the confirmation window select the OK button The monitor restarts Repairing the Monitor 5 34 SureSigns VS4 Service Guide Setting the System Configuration Setting the System Configuration When the monitor performs a self test it first checks its system configuration If you replace the main board you must reprogram the system configuration Caution The system configuration settings must match the hardware installed on the monitor Incorrect settings may result in system malfunction alarm messages and the monitor may not start If this happens correct the system configuration settings To reset the system configuration Step 1 In the System Diagnostics menu select the Configuration button and then press the wheel The Configuration menu appears Configuration Configuration SpO2 Predictive Temp Tympanic Temp Touch Screen Wireless Select each option installed in the monitor Select the Apply button A confirmation window displays the message System will restart now In the confirmation window select the OK button The monitor restarts Repairing the Monitor SureSigns
61. ar Case Assemblies on page 5 12 2 Remove the main board assembly See Removing the Main Board Assembly on page 5 18 Repairing the Monitor 5 22 SureSigns VS4 Service Guide Removing the Fan and Speaker 3 Pull the cables through the zip tie y ES B Fan assembly a ai 4 Remove the Torx T10 screw and washer holding the fan assembly in place 5 Slide the fan assembly and then the speaker out of the rear case Repairing the Monitor SureSigns VS4 Service Guide 5 23 Replacing the Handle O Ring Replacing the Handle O Ring Caution Do not try to remove the handle from the rear case It is part of the rear case and not a replacement part To replace the handle O ring Step 1 Separate the front and rear case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 2 Gently pull the O ring from the inside of the handle If the O ring is damaged or torn remove all pieces from the channel in the handle 3 Insert a new O ring in the handle and press it into place along the channel in the handle Removing the Front End Assembly To remove the plastic patient connector panel from the front end assembly or SpO board you must remove the front end assembly from the main board assembly To remove the front end assembly Step 1 Separate the front and rear monitor ca
62. assessment which can be subjective Caution should therefore be taken in comparing immunity levels of different devices The criteria used for degradation is not specified by the standard and can vary with the manufacturer Guidance and Manufacturer s Declaration The SureSigns VS4 vital signs monitor is intended for use in the electromagnetic environment specified in the following tables The customer or the user of the product should assure that it is used in such an environment Table B 1 Electromagnetic Emissions Emissions Test Compliance Electromagnetic Environment Guidance RF emissions Group 1 The SureSigns VS4 vital signs monitor uses RF energy only CISPR 11 for its internal function Therefore its RF emissions are very low and not likely to cause any interference in nearby electronic equipment RF emissions Class B CISPR 11 Harmonic emissions Class A The SureSigns VS4 vital signs monitor is suitable for use in IEC 61000 3 2 all establishments including domestic establishments and those directly connected to the public low voltage power supply network that supplies buildings used for domestic purposes Voltage Complies fluctuations flicker emissions IEC 61000 3 3 Electromagnetic Compatibility B 2 SureSigns VS4 Service Guide Table B 2 Electromagnetic Immunity ESD EFT Surge Dips and Magnetic Field Immunity Test IEC 60601 Compliance E
63. atient Data on page 4 37 The connection to the speaker is a faulty Ensure that the connection to the speaker is correct Clear the error message by performing the speaker test or clearing the error log See Testing the Speaker on page 4 33 or Clearing Patient Data on page 4 37 The speaker is faulty Replace the speaker See Removing the Fan and Speaker on page 5 22 Audible alarms do not sound The monitor is in Audio Pause mode or Audio Off mode Confirm audio alarms are enabled The connection to the speaker is faulty Ensure that the connection to the speaker is correct The speaker malfunctioned Replace the speaker See Removing the Fan and Speaker on page 5 22 The main board malfunctioned Replace the main board See Removing the Main Board on page 5 31 The Auto Set Alarm Limits button is unavailable Auto Set Alarm Limits function is only available when the monitor is in NBP Interval mode or Continuous SpO mode Ensure that the monitor is in NBP Interval mode or Continuous SpO mode See the SureSigns VS4 Instructions for Use SureSigns VS4 Service Guide Troubleshooting 4 5 Troubleshooting Tables NBP Problems Symptom Possible Cause Action The NBP cuff does not inflate The air tube or cuff is bent or twisted Straighten the tube or cuff Air leak in the air t
64. ays the color bar for about five seconds The LCD turns off and the Charging LED lights when the battery is available The Philips splash screen appears in one second and a tone sounds The main screen appears Plug AC power cord into a monitor that is off battery only Press the On Standby key The screen displays the color bar for about five seconds The LCD is off and the Charging LED lights when the battery is available The Philips splash screen appears and a tone sounds The New Patient Menu displays for new patient settings After the New Patient Menu is acknowledged the main screen appears Troubleshooting SureSigns VS4 Service Guide Troubleshooting Tables User Action Expected Result Press the On Standby key when the monitor is in Standby mode AC and or battery A tone sounds The New Patient Menu displays the new patient setting After the New Patient Menu is acknowledged the main screen appears Press the On Standby key when the monitor is on AC and or battery The Philips splash screen appears and the LCD turns off Select Shutdown in the System Menu The Philips splash screen appears and a tone sounds The LCD turns off Troubleshooting Tables Use the following tables to diagnose and fix monitor problems The tables describe a monitor problem by symptom list a possible cause and suggest actions Check the first possible cause
65. between each patient For complete cleaning instructions see the SureSigns VS4 Instructions for Use Maintaining the Battery e Charging As needed e Reconditioning When the Max Error is 10 or greater Routine Safety and Operational Checks Philips recommends that you regularly e Visually inspect the monitor exterior for damage e Inspect the monitor labels for legibility If the labels on the rear case are not legible you must replace the rear case If the serial number label is not legible you must return the monitor for label replacement For detailed information see Visual Test on page 3 12 Philips recommends that you perform certain test and verification checks at least once a year and after each repair For complete information about performing verification testing and checks see Chapter 3 Performance Verification Testing Cleaning and Disinfecting the Monitor To clean or disinfect your monitor use only cleaning agents approved by Philips For complete cleaning instructions see the SureSigns VS4 Instructions for Use Performing Routine Maintenance SureSigns VS4 Service Guide 2 1 Maintaining the Battery Maintaining the Battery About the Battery The rechargeable lithium ion battery used in the monitor is a smart battery with built in circuitry that communicates battery status information to the monitor Battery power lasts a minimum of four hours of continuo
66. cables from the connectors on the main board Remove three Torx T10 screws and washers from the bottom of the rear cover and remove the cover from the monitor case NNN F a AAOOOOOOOOOOIIINIIII Repairing the Monitor SureSigns VS4 Service Guide 5 19 5 20 Removing the Main Board Assembly For monitors with the optional temperature module disconnect the temperature cable connector from the front end assembly board a 0000000000000001 A Repairing the Monitor SureSigns VS4 Service Guide Removing the Main Board Assembly 7 Remove the two Torx T10 screws and washers from the main board assembly Repairing the Monitor SureSigns VS4 Service Guide 5 21 Removing the Fan and Speaker Reinstalling the Main Board Assembly To reinstall the main board assembly Step 1 Slide the main board assembly into the rear case guiding the power cord retaining clip through the rear cover _ 8 11200 eeeeeeeene 2 Push the assembly until it snaps into place in the case 3 Replace the four Torx T10 screws and washers on the bottom of the rear case to ensure that the main board assembly fits correctly in the case Removing the Fan and Speaker To remove the fan and speaker Step 1 Separate the front and rear case assemblies See Separating the Front and Re
67. ce occur only when in close proximity to certain medical electrical equipment e Do parameter measurement values change dramatically when the AC line cord is unplugged Once the source is located attempt to attenuate the interference by distancing the product from the source as much as possible If assistance is needed contact your local Philips representative Electromagnetic Compatibility SureSigns VS4 Service Guide B 1 Restrictions for Use Artifact on physiological parameters caused by electromagnetic interference should be evaluated by a physician or physician authorized personnel to determine if it will negatively impact patient diagnosis or treatment Emissions and Immunity The SureSigns VS4 vital signs monitor is designed and evaluated to comply with the emissions and immunity requirements of international and national EMC standards See Table B 1 through Table B 4 for detailed information regarding declaration and guidance The EMC standards state that manufacturers of patient coupled equipment must specify immunity levels for their systems See Table B 2 and Table B 3 for this detailed immunity information See Table B 4 for recommended minimum separation distances between portable and mobile communications equipment and the product Immunity is defined in the standard as the ability of a system to perform without degradation in the presence of an electromagnetic disturbance Degradation in system performance is a qualitative
68. cecceesecseceseesecesceecesceseeeeeeeeenceseecsecseecaecsaeaeceseseeeseneeneeenes A 8 Wireless Module snoren tenein ia a RAE E EE N ahead inate A 8 Contents 3 SureSigns VS4 Service Guide B Electromagnetic Compatibility Index Contents 4 Instructions for O A csi eco E AT EAA EEA E E RN AIS NONE Ce B 1 Reducing Electromagnetic Interference eeseseesseereresereesererstesessererereessesererserersrerereosererseeressee B 1 Restrictions for WSO evs nis seb r ohana banter eek EEE EE REE TE ended TE B 2 Emissions and mmunity 5 25 jkecia ened Metin Roel BA le HO a A Ae B 2 Guidance and Manufacturer s Declaration ccceceesesscesseescescesseeeceseeeeecaeesaecaecaecaeeseeseeeseneeeaes B 2 Recommended Separation Distances csecsenc e E i B 5 SureSigns VS4 Service Guide 1 Overview Intended Audience This guide is for biomedical engineers or technicians responsible for troubleshooting repairing and maintaining Philips patient monitoring systems Navigation Controls The following table describes how to use the navigation controls on the SureSigns VS4 monitor Action Description Select Touch a button menu or list item on the touch screen to select it Press Press a front panel key or press the wheel Enter data using the Touch the item to display the numeric keypad or the keyboard Touch the numeric keypad and values and then touch OK to close the keypad or keyboard ke
69. cies ccccscisccdicescec lt Sivbsevve Seccede n Recta e EE EEE E E R R E E a or 4 33 Testing the Speaker E E E EE E A N A EEE 4 33 Testing the Battery LED peiiini ien EA REE RER a heh EE E EE RE E de E ae EE 4 34 Viewing and Resetting Tracked Parameters cccceccesscesceseeesceseeseceseecsecaeecaecesesaecsaeseseeeseseeceseeneeeaeeaeecaeeaeeasens 4 34 Resetting Parameters sic ciescteccees avec cessvanwcteecaecc vate se cdetepntves casey E RR E EEEE E 4 35 Viewing Printing and Exporting the Error Log cceccecceessesseesceseeesecscesnecscesaecaeceaeeseceseseeceseeeeeaeeneecaeeaeecaecnaeeneens 4 36 Clearing Patient Data sicoor cscs de eeen EEEE E E eee nig ts dine eed Teas dace di eas ei eee 4 37 5 Repairing the Monitor Disassembling the Monitor esa o ind eee rnin ash ahaha en ee ee 5 1 Tools Required Lor Service menea eas encase Sete ce dose E E feat deo taclsa gL T ie 5 2 Shutting Down the Monitor meea n aiken a E ee A GRA A a ad 5 2 Removing the Battery 2c ifs ooh cae eek a E eats bes eat Wi ee PR eG ae UE Uk Gate 5 3 Reinstalling the Battery iene fevenseste specs tents cov E RETE RE acess ea tea teen tare edhe 5 4 Removing a Buse i cocssicactesosst E Ssecaneesicagceese seh ad cones bepeea as saaad ans aeaos thee es ed ates oon be ah cee a onn etna he cdeben eae 5 5 Removing the Predictive Temperature Module and Probe Cover Holder c eccccccscescesseseeceseeeecesceeeeeseeseenseeaeenaes 5 6 Reinstalling the Pr
70. curs After reconditioning if the Max Error does not exceed 2 If the battery does not recharge to full capacity after four reconditioning cycles For information about replacing the battery see Removing the Battery on page 5 3 Warning Dispo se of used batteries in an environmentally responsible manner Do not dispose of the battery in normal waste containers Consult your hospital administrator to find out about local arrangements Performing Routine Maintenance 2 4 SureSigns VS4 Service Guide Maintaining the Battery Battery Messages and Alarms The condition of the battery is reported by technical alarms and error codes Technical Alarms The following battery technical alarms appear in the message area e Low Batt Remaining battery power is less than 30 Extreme Low Batt Remaining battery power is less than 21 Error Codes An error code for example 257 System Error indicating Battery charger power failure appears in the Error Log To view the Error Log see Viewing Printing and Exporting the Error Log on page 4 36 For a complete list of error codes and actions to take see Chapter 4 Troubleshooting Performing Routine Maintenance SureSigns VS4 Service Guide 2 5 Maintaining the Battery Performing Routine Maintenance 2 6 SureSigns VS4 Service Guide 3 Performance Verification Testing Overview This chapter includes the following information e Testing and
71. d e Power on self test SpO e Pneumatic leakage test e All safety tests Replacing the temperature module e Power on self test e Alarms test e Pneumatic leakage test e All safety tests e Temperature test Replacing the LCD e Power on self test e Alarms test e Pneumatic leakage test e All safety tests e Touch Screen Calibration Recommended Frequency Perform the test procedures at the recommended frequency outlined in the following table Caution The frequency recommendations in the following table do not supersede local requirements Always perform locally required testing in addition to the testing outlined in the table Suggested Testing Frequency Preventive Maintenance NBP calibration Once every two years Battery reconditioning When the Max Error is 10 or greater Tympanic temperature calibration Once a year Performance e Predictive temperature accuracy Once every two years or if you suspect the NBP accuracy test measurement 1s incorrect e SpO e Nurse call relay Once every two years Performance Verification Testing 3 2 SureSigns VS4 Service Guide Required Test Equipment Safety In accordance with IEC 60601 1 Enclosure leakage current e Ground integrity e Patient leakage current Once a year or after repairs where the monitor has been opened front and back separated or the monitor has been damaged by impact
72. dio board interfaces with the main board through a 20 pin connector The antenna interfaces with the radio board through a MMCX micro miniature coaxial connector The module supports all 802 1 1a 802 11b and 802 11g data rates and automatically adjusts data rates and operational modes based on various environmental factors Theory of Operation SureSigns VS4 Service Guide B Electromagnetic Compatibility This appendix lists the tests and compliance levels that make the SureSigns VS4 vital signs monitor suitable for use in the specified electromagnetic environment according to IEC 60601 1 2 2001 Instructions for Use Warning Medical electrical equipment can either generate or receive electromagnetic interference This product has been evaluated for electromagnetic compatibility EMC with the appropriate accessories according to IEC 60601 1 2 the international standard for EMC for medical electrical equipment This IEC standard has been adopted in the European Union as the European Norm EN 60601 1 2 Radio frequency RF interference from nearby transmitting devices can degrade performance of the product Electromagnetic compatibility with surrounding devices should be assessed prior to using the product Fixed portable and mobile radio frequency communications equipment can also affect the performance of medical equipment See your service provider for assistance with the minimum recommended separation distance between RF communicati
73. e Faceplate or Recorder on page 5 16 The main board malfunctioned Replace the main board See Removing the Main Board on page 5 31 Nurse Call Problems Symptom Possible Cause Action The nurse call function does not signal alarm conditions Minimum Nurse Call Alarm Priority Specify an appropriate Minimum Nurse is set too high Call Alarm Priority for your facility For more information see the SureSigns VS4 Installation and Configuration Guide Alarms have been silenced Press the Alarm Silence key to end the Audio Off mode or Audio Pause mode The phono connector is loose or broken Check the physical connection to the nurse call connector The communications board malfunctioned Replace the Communications LAN Board See Removing the Communications LAN Board on page 5 41 The main board malfunctioned Replace the main board See Removing the Main Board on page 5 31 USB Hub Problems Symptom Possible Cause Action The USB hub does not work The USB hub is disconnected from the monitor Ensure that all USB plugs are firmly connected into their ports The hub s USB ports are Clean the USB hub See the Instructions for blocked by dust or dirt Use that came with the USB hub for cleaning instructions The USB hub is broken Replace the USB hub The LAN I O Confirm t
74. e area and saves the error to the error log The log includes a timestamp that indicates when the error occurred To clear the error count and log see Resetting Parameters on page 4 35 For detailed information about errors and error codes see Error Codes on page 4 11 To view the error log Step 1 Access the System Diagnostics menu See Accessing the System Diagnostics Menu on page 3 10 Select the Error Log button The Error Log window appears displaying a list of log entries Each error log entry includes a timestamp a unique error code a description of the error and an optional block of error information Error Log Time Code Description 12 07 12 06 12 44 866 Temp Probe Error 63 12 15 12 13 22 04 833 SpO Equip Malfunc 2 Return _ To view the entire list of errors select the list to activate scrolling To print the error log to the optional recorder select the Print button To export the error log to a USB flash drive e Insert a compatible USB flash drive in the USB port on the rear of the monitor In the Error Log window select the Export button The error log is saved to the USB flash drive as an xls file Troubleshooting SureSigns VS4 Service Guide Clearing Patient Data Clearing Patient Data The Clear Data option clears all patient data in memory It does not clear calibration and hardware configuration data W
75. e r a cide vevdueteds CeveesGs de tentes a i ie i 4 3 Power Provlemset ata tert Atari se Atel A esta ae Mah teeth E AES 4 4 Display Problems sic cscccscccevescedecevsseidecestverien sesso de dace vgedaden dee secon deta tute a E EEN EE ER 4 4 Alann ProDlemises tii ssencescseentue item A EEEE A E hare eeteare 4 5 INBP Problems a esis onr sie eg kick a e estan cs a r eos sees 4 6 Temperature Measurement Problems cccsccecceseceseeseceeceecesceseeneceseeeeeeseecaecaeesaecseeaeenseeeenseens 4 7 SpO gt Measurement Problems ni aneri ini aee hole isin ein as thai oi ees Mie re 4 8 Navigation Wheel Touch Screen and Key Problems ccccceccessceseeeseecceseeeseescecaeceeeseenseeseens 4 9 Recorder Problems inresa iniru es Oe outa et a sages Rape Shee veges A Speed oa rea gas chet 4 9 Nurse CallsProblemsy cio AE A AA E AEE A EN Tete 4 10 USB Hub Problems 3 cecil en ERE wih ned eh eles 4 10 Eror Code saene e e e Reese eteent bl en tee nes iat tere ths teat at cians este clenet aie tant hes acetates Shes Buds Meant 4 11 Rumning System Diagnostics v2cc ccitecsecieceieeeek esc esgocie cb acetal ei eon e da Cede sid av E NENE RSE EEE Ee E ESSE 4 29 Running the Self DSe aE EEE E EE ENEE E E 4 29 Testing the Recordere gr i hacen a E E EERE RE A E EE EAE eee 4 31 Testing the Navigation Wheel and Keys cccecceescessesseesessseeseeseeeseesecesceseeececaeecaecaecsaeeaecessaeseeeeaeeneecaeeseecaeenseeneens 4 32 Testing the Display
76. ed on the differences in the absorption of red and Infrared light by oxygenated and deoxygenated Hemoglobin A pulse oximeter passes red and infrared light into an arteriolar bed and measures changes in light absorption during the pulsatile cycle The light sources are red and infrared light emitting diodes LEDs A photo diode provides detection To identify the oxygen saturation of arterial hemoglobin the monitor uses the pulsatile nature of arterial flow During systole a new pulse of arterial blood enters the vacuolar bed and both blood volume and light absorption increase During diastole blood volume and light absorption reach their lowest point The measurement is based on the difference between maximum and minimum absorption focusing on the pulsatile arterial blood In addition to the oximetry function the measurement can also provide the heart rate Predictive Temperature Module The predictive temperature module is a fully integrated microprocessor based thermistor thermometer that takes oral axillary and rectal temperatures for all patient populations The monitor provides two types of temperature measurement e Predictive e Monitored Predictive Measurements In Predictive mode the monitor measures the patient s temperature for approximately 4 seconds for oral measurements and approximately 16 seconds for axillary and rectal measurements The monitor then displays the final measurement If the monitor cannot get a read
77. edictive Temperature Module cccccescesscesceeseesceseeeseeseecsecseceseeeceseseeeseeerenes 5 8 Removing the Tympanic Temperature Module ccccesccsssssecescessessceseeecesceeeececseeseecseesseceecaeeaecaeeaeseseeersnseenteass 5 10 Contents 2 SureSigns VS4 Service Guide Separating the Front and Rear Case Assemblies 0 cccccccssscssessceseeescesceseeececaeeesecaeceaesaecusenseseeeneeeeecaesaaenaeeneenaeens 5 12 Reassembling the Front and Rear Cases ccccsccsssssseesceseeeecesceseecaeeseecaeeseecaeceaeeaecaeeaeenseeaeeneeenes 5 16 Removing the Faceplate or Recorder norice see secede fhe geceecaveecesdaseuudeveddccrvace suedeace Eo EEES E E EE E i 5 16 Removing the Main Board Assembly E A E AE 5 18 Removing the Main Board Assembly ccccsccsssssseesceseeeecesceseecaeeseecseeseecaecsaenseceaesaeenseeereneeenes 5 18 Reinstalling the Main Board Assembly ccccccscssssescesceesceseeeeeeaeescecaeescecaeceaeeeecaeeaeeneeeereneeenes 5 22 Removing the Fan and Speakers icc oiniin jisi niii oe E E EE E E R E EE E ii 5 22 Replacing the Handle O RIN Enesa e A E a Ee ave haan sks 5 24 Removing the Front End Assembly cccccccccescessesseesesssecsecceeseceecseceeceseeeeeaeeseecaecaeecaecaaesaeneeseesseseeseseeneeeaeeseeenees 5 24 Removing the Front End Assembly Covet csccssssscesceescesceeeeeseeseecseesceceeceaeseeensesaeeneeeeesneeenes 5 26 R moving the SpOs BOUI oR e EEE ER R Ae wet ee Ree a 5 28
78. edictive temperature is over range Ensure that the predictive temperature reading is in the range of 15 45 C 59 F 113 F See Predictive Temperature Test on page 3 18 The probe malfunctioned Replace the probe Front end malfunction Replace the front end board See Removing the Front End Assembly on page 5 24 The temperature module malfunctioned Replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 or Removing the Tympanic Temperature Module on page 5 10 The main board malfunctioned Replace the main board See Removing the Main Board on page 5 31 Troubleshooting SureSigns VS4 Service Guide 4 7 Troubleshooting Tables Symptom Possible Cause Action Temperature measurements are unreliable The probe malfunctioned Replace the temperature probe The module is not calibrated Calibrate the temperature module See Predictive Temperature Test on page 3 18 or Tympanic Temperature Test on page 3 18 The front end malfunctioned Replace the front end board See Removing the Front End Assembly on page 5 24 The temperature module malfunctioned Replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 or Removing the Tympanic Temperature Module
79. en RTE AAE AE E O EE E EOE ERA 6 1 Assembly DIENA nT A A EE AEE EAEE A E EEA 6 3 Power Cords ucs urunn a rejana En E JEENA th cate ner eve a N ae 6 6 A Theory of Operation Block Diagrani Components en eee a E R N R NR E EAEE heen GA ES A 1 Block Diagram e r ea E E E E S eee eee A ERE A 2 Main Boar dieiciteciaticitatisiel aiid ase Aen E nina EE Si ae A 3 Front End Boardsiicsac3 etek Deas te Met ai cate il es ei ete ie teed ee te MENA Te og A 3 Communications LAN Board aeron nior E R RT E recto E E A 4 Nurse CA O ON ACE a EE a E A 4 Front Panel Assem bl y a a ni ae he ee BS ask eR AR a aS A 4 SPC AK R eet Stet ete ead aa Mat lacs I aes ssc oc TN ETS A 5 Navigation Wheel ia cscs ae n E tea E R E Tee Pat ween hee eens A 5 Power Supply Module sie erresen a ho Gees Weed decd Metered de Moen a a EE A 5 Power Management i re etek as has aa E asl ots Racists led A E E ees aes A 5 RECOLGER EE EEE AET E estes duc oouse she caldesasdecssanssstyenatosepuote T tases A 6 NBP Assembly and Cititi yenn ate os ie ste ee eee eee A 6 SPO gt PrOCESSiN gets vescvssts yet vases vodcwss teeta ss od O ETN EEE sate utes EE E A 7 Predictive Temperature Module izccciccecseecescactec Sch Fes ed ce sng soe eae eed AI apn pees Na A 7 Predictive Measurement ccccescssseescesceescescessecsecscesaecsaeeaeceeceeesseseeceseeeseeaeesaecaecnaeeaeenaees A 7 Monitored Meastirements nerna nnana aa e a n e e a a a A 7 Tympanic Temperature Module c
80. er removing 5 16 replacing battery 5 3 separating front and rear case 5 12 SpO board removing 5 28 tools required 5 2 touch screen board removing 5 50 wireless module removing 5 50 replacement parts 6 1 replacing battery guidelines 2 4 routine checks 2 1 S safety and operational checks 2 1 safety verification test 3 19 selecting and clearing check boxes 1 1 self test running 4 29 serial number resetting 5 34 shutdown hard performing 5 2 software upgrade performing 3 7 spare parts 6 1 speaker testing 4 33 theory of operation A 5 SpO board removing 5 28 measurements troubleshooting 4 8 processing theory of operation A 7 verification test 3 13 start up and power sequences 4 2 SureSigns monitor overview 1 1 system admin menu accessing 3 5 options 3 6 system configuration setting 5 35 system diagnostics menu 3 11 system information viewing 4 1 system overview theory of operation A 1 T technical alarms battery 2 5 temperature measurement problems troubleshooting 4 7 predictive module removing 5 6 theory of operation A 7 tympanic module removing 5 10 verification test 3 19 verification predictive test 3 18 test equipment required 3 3 testing and inspection guidelines 3 1 tests performance 3 1 performance recommended frequency 3 2 recording results 3 3 verification performing 3 10 theory of o
81. es and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy To assess the electromagnetic environment due to fixed RF transmitters an electromagnetic site survey should be considered If the measured field strength in the location in which the SureSigns VS3 vital signs monitor is used exceeds the applicable RF compliance level above the SureSigns VS3 vital signs monitor should be observed to verify normal operation If abnormal performance is observed additional measures are necessary such as re orienting or relocating the SureSigns VS3 vital signs monitor Over the frequency range 150 kHz to 80 MHz field strengths should be less than 3 V m Recommended Separation Distances The SureSigns VS4 vital signs monitor is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled The customer or the user of the product can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the product as recommended below according to the maximum output power of the communications equipment Table B 4 Recommended Separation Distances Between Portable and Mobile RF Communication Equipment and the SureSigns VS3 vital signs monitor Frequency of Transmitter 150 kHz to 80 MHz 80 to 800 MHz 800 MHz to 2 5 GHz Equation a a eda
82. ests 3 2 front and rear case separating 5 12 front end assembly cover removing 5 26 assembly removing 5 24 board theory of operation A 3 Index 1 SureSigns VS4 Service Guide front panel assembly theory of operation A 4 troubleshooting 4 9 Full Capacity 2 3 fuse removing 5 5 G guidelines battery 2 2 testing and inspection 3 1 H handle O ring removing 5 24 hard shutdown performing 5 2 hub usb troubleshooting 4 10 I information battery 2 2 system 4 1 K keys test running 4 32 keys troubleshooting 4 9 L LAN communications board removing 5 41 LCD removing 5 44 troubleshooting problems 4 4 usage hours 4 34 LEDs testing 4 34 log error printing 4 11 M main board assembly removing 5 18 theory of operation A 3 maintenance battery 2 2 recommended frequency 2 1 routine 2 1 maintenance options accessing 3 11 Max Error 2 3 memory clearing 4 37 monitored temperature theory of operation A 7 Index 2 SureSigns VS4 Service Guide N navigation controls 1 1 navigation wheel assembly removing 5 47 removing 5 47 test 4 32 theory of operation A 5 troubleshooting 4 9 NBP accuracy performance verification test 3 14 assembly theory of operation A 6 filter removing 5 38 module removing 5 36 performance verification test 3 14 troubleshooting 4 6 nurse call contacts theory of opera
83. g the Monitor 5 46 SureSigns VS4 Service Guide Removing the Navigation Wheel Assembly Board Remove the four Phillips screws from the LCD frame Remove the LCD from the LCD frame Removing the Navigation Wheel Assembly Board To remove the navigation wheel assembly board Step 1 Separate the front and rear monitor case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 Remove the LCD assembly See Removing the LCD Assembly on page 5 44 Repairing the Monitor SureSigns VS4 Service Guide 5 47 Removing the Navigation Wheel Assembly Board 3 Pull the wheel off of the stem Repairing the Monitor 5 48 SureSigns VS4 Service Guide Removing the Navigation Wheel Assembly Board 5 Remove the Torx T10 self tapping screw 6 Press the stem while lifting off the wheel assembly Note When you reattach the wheel line up the flat side of the wheel to the flat side of the wheel stem Repairing the Monitor SureSigns VS4 Service Guide 5 49 Removing the Touch Screen Board Removing the Touch Screen Board To remove the touch screen board Step 1 Separate the front and rear case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 Disconnect the touch screen board ribbon cable Ribbon Cable
84. h signal HTRC Monitor on page 5 2 and restart the enabled and has heater monitor power If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 867 84 Temp Module Malfunc 84 Signal Q amp C is turned on Shut down see Shutting Down the and the heater voltage is Monitor on page 5 2 and restart the not high enough monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 867 85 Temp Module Malfunc 85 Heater hardware fail safe Shut down see Shutting Down the should have turned off Monitor on page 5 2 and restart the but did not monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 Troubleshooting 4 24 SureSigns VS4 Service Guide Error Codes Code Description Possible Cause Action 867 101 Temp Module Malfunc 101 Tympanic temperature Replace the tympanic temperature module module checksum error See Removing the Tympanic Temperature Module on page 5 10 867 102 Temp Module Malfunc 102 Tympanic temperature Send the module for calibration See module calibration error Tympanic Temperature Test on page 3 18 Replace the tympanic temperature module See Removing
85. hat the LAN I O Communications Communications board is broken or not properly connected board is properly connected to the main board Replace the main board See Removing the Communications LAN Board on page 5 41 Troubleshooting 4 10 SureSigns VS4 Service Guide Error Codes Error Codes When the monitor detects an error condition depending on the type of error an error message appears on the screen or an error code is written to the Error Log An error code is an indication that the monitor detected an error in operation and service may be required An error code is a hexidecimal number that indicates the nature of the error If an error occurs during monitoring an audible alarm also sounds Press the Alarm Silence key to end the audible alarm The following table lists the error codes that correspond to monitor malfunctions and actions to take when the error occurs These errors are written to the Error Log To print the Error Log see Viewing Printing and Exporting the Error Log on page 4 36 Code Description Possible Cause Action 2 System Error Battery charger power failure Replace the battery See Removing the Battery on page 5 3 If the problem persists replace the main board See Removing the Main Board on page 5 31 If the problem persists replace the AC power module See Removing the AC Power Connector on page
86. he problem persists replace the main board See Removing the Main Board on page 5 31 818 135 NBP Equip Malfunc 135 CRC mismatch in inflation cycle count and runtime data Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 136 NBP Equip Malfunc 136 The pneumatic safety switch malfunctioned Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 If the problem persists replace the NBP module See Removing the NBP Module on page 5 36 818 137 NBP Equip Malfunc 137 Valve 2 is defective or blocked Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the NBP module See Removing the NBP Module on page 5 36 If the problem persists replace the main board See Removing the Main Board on page 5 31 818 141 NBP Equip Malfunc 141 Inflation time for selected patient type exceeded Verify that the appropriate cuff size is being used for the selected patient type If the problem persists shut down see Shutting Down the Monitor on page 5 2 and restart the monitor Troubleshooting 4 16 SureSign
87. henever you return a monitor for service you should clear patient data first To clear all patient data Step 1 Open the Maintenance options of the System Diagnostics menu See Accessing Maintenance Options on page 3 11 Select the Clear Data button A confirmation window appears In the confirmation window select the Yes button The monitor clears the patient data and error log and then restarts Troubleshooting SureSigns VS4 Service Guide 4 37 Clearing Patient Data Troubleshooting 4 38 SureSigns VS4 Service Guide 5 Repairing the Monitor Disassembling the Monitor This chapter contains the procedures for disassembling the monitor to replace defective assemblies or components The monitor has three main assemblies e Rear case e Main board e Front case Rear case assembly Main board assembly Front case assembly The monitor can be further disassembled into all major components including e Printed circuit boards boards e Battery e Cables LCD e Measurement modules For more information about replaceable parts see Chapter 6 Replacement Parts and Assembly Drawings Repairing the Monitor SureSigns VS4 Service Guide 5 1 Tools Required for Service Warning Before you open or disassemble the monitor disconnect the AC power from the monitor and remove the battery After any monitor repair you must perform the recommended
88. heory of operation A 1 C cables power 6 6 calibration NBP 3 16 touch screen 3 22 tympanic temperature module 3 18 case opening 5 12 check boxes selecting and clearing 1 1 checks safety and operational 2 1 cleaning instructions 2 1 codes error 4 11 communications board removing 5 41 component usage resetting 4 35 tracking 4 34 configuration system setting 5 35 controls navigation 1 1 cords power 6 6 Cycle Count 2 3 D data patient clearing 4 37 deleting patient data 4 37 demo mode 3 6 Design Capacity 2 3 diagnosing problems 4 1 diagnostics audio testing 4 33 component usage tracking 4 34 display testing 4 33 error log viewing printing exporting 4 36 keys test 4 32 LED testing 4 34 recorder testing 4 31 self test 4 29 serial number resetting 5 34 diagnostics mode entering 3 10 disinfecting procedures 2 1 display testing 4 33 troubleshooting problems 4 4 documents related 1 1 E electromagnetic compatibility B 1 electromagnetic interference emissions and immunity B 2 manufacturer declaration B 2 reducing B 1 restrictions for use B 2 separation distances recommended B 5 error codes battery 2 5 description 4 11 list 4 11 printing log 4 11 error log viewing exporting printing 4 36 F faceplate removing 5 16 fan speaker assembly removing 5 22 frequency maintenance 2 1 performance t
89. ing after 1 minute it automatically switches to Monitored mode Monitored Measurements In Monitored mode the monitor measures the patient s temperature continuously and displays the temperature in the numeric pane as long as the probe is in contact with the patient Use Monitored mode only when a situation prevents accurate predictive measurement Note Temperature measurements taken in Monitored mode are not saved to a patient record Theory of Operation SureSigns VS4 Service Guide A 7 Block Diagram Components Tympanic Temperature Module The tympanic temperature module is an infrared ear canal thermometer with measurement site equivalence modes including oral core and rectal equivalent temperatures for all patient populations The tapered probe tip is designed for proper ear canal alignment In ear EAR mode the absolute temperature measurement without adjustment is displayed In other modes the tympanic measurement is adjusted to compensate for the average difference in temperature at each of the measurement sites The following table shows the calculations used to adjust the displayed temperature Mode Calculation Oral ORL Ear mode measurement 0 60 C Core CORE Ear mode measurement 1 04 C Rectal REC Ear mode measurement 1 16 C Wireless Module A 8 The wireless module includes a radio board and an antenna The module provides wireless connectivity for the monitor The ra
90. inserting a small flathead screwdriver into the two slots at the bottom of the cover and pushing the tabs Repairing the Monitor SureSigns VS4 Service Guide 5 27 Removing the SpO Board 6 To reattach the cover line up the slots in the cover with the tabs on the assembly and snap the cover into place by pressing it onto the assembly Removing the SpO Board To remove the SpO board Step 1 Separate the front and rear monitor case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 2 Remove the main board assembly See Removing the Main Board Assembly on page 5 18 3 Remove the front end assembly See Removing the Front End Assembly on page 5 24 4 Remove the front end assembly cover See Removing the Front End Assembly Cover on page 5 26 Repairing the Monitor 5 28 SureSigns VS4 Service Guide Removing the SpO z Board Remove the two plastic Phillips screws on the front end assembly SV 2 ao EE a Poet 04 ooetsoozz Wi fy e IS 2 ee ae ae e MET CEEE wo 220 0513 00 Remove the two connectors and separate the SpO board from the front end assembly board Repairing the Monitor SureSigns VS4 Service Guide 5 29 Removing the Power Supply Removing the Power Supply 5 30 To remove the power supply
91. inspection guidelines e Recommended frequency of performance tests e Test procedures following monitor repair or during routine maintenance e NBP calibration procedure If the monitor fails any test it must be repaired before it is returned to use Note The procedures in this chapter assume knowledge of basic monitor operation For details about using the monitor see the SureSigns VS4 Instructions for Use Testing and Inspection Guidelines The following table lists the tests that Philips requires that you complete after performing monitor repairs or upgrading the software For information about routine maintenance procedures see Chapter 2 Performing Routine Maintenance For information about repair procedures see Chapter 5 Repairing the Monitor After Complete These Tests Upgrading the software e Power on self test e Verify that your system settings are preserved Opening the monitor for any reason e Power on self test e Alarms test e Pneumatic leakage test e All safety tests Replacing any internal parts except NBP parts SpO gt board e Power on self test e Pneumatic leakage test e All safety tests Replacing the NBP module or parts e Power on self test NBP test e Pneumatic leakage test e All safety tests Performance Verification Testing SureSigns VS4 Service Guide 3 1 Recommended Frequency After Complete These Tests Replacing the SpO boar
92. lectromagnetic Environment Test Level Level Guidance Electrostatic 6 kV contact 6 kV contact Floors should be wood concrete or discharge ESD 8 kV air FREVA ceramic tile If floors are covered TEC 61000 4 2 with synthetic material the relative humidity should be at least 30 Electrical fast 1 kV differential 1 kV In the event of reduced transient burst mode 1 kV performance it may be necessary to IEC 61000 4 4 gt ew common tode operate the patient monitor from a filtered power connection or battery powered no electrical connection to the AC mains while monitoring Surge 1 kV differential 1kV Mains power quality should be that IEC 61000 4 5 mode 2kV of a typical commercial and or HORV common mode hospital environment Voltage dips lt 5 Uy lt 5 Ur short gt 95 dip in Ur for interruptions and 0 5 cycle voltage variations on power supply 40 Ur 40 Ur input lines 60 dip in Ur for 5 cycles IEC 61000 4 11 70 Ur 30 dip in Uy 70 Ur for 25 cycles lt 5 Uy gt 95 dip in Ur for 5 sec lt 5 Ur Power frequency 3 A m 3 A m Power frequency magnetic fields 50 60 Hz should be at levels characteristic of Magnetic field a typical location in a typical IEC 61000 4 8 commercial or hospital environment Note Uris the AC mains voltage prior to application of the test level Electromagnetic Compatibility SureSigns VS4 Service Guide B 3 B 4 Table B 3 Electromagnetic Immunity
93. less upgrade kit 9898 031 81201 Not shown Replacement Parts and Assembly Drawings SureSigns VS4 Service Guide Assembly Drawings Assembly Drawings See Spare Parts on page 6 1 for the part numbers referenced in the following figures Figure 6 1 Front Case Assembly Replacement Parts and Assembly Drawings SureSigns VS4 Service Guide Assembly Drawings Figure 6 2 Rear Case Assembly Replacement Parts and Assembly Drawings SureSigns VS4 Service Guide 6 4 Assembly Drawings Figure 6 3 Rear Case Assembly Top View Replacement Parts and Assembly Drawings SureSigns VS4 Service Guide 6 5 Power Cords Power Cords 6 6 The following table lists the available power cords and their part numbers Power cord 903 2 4 m 8120 5429 Taiwan US Canada Latin America Singapore Caribbean Laos Power cord 902 2 m 8120 1689 Portugal Korea Russia South America Indonesia West Indies Libya Power cord 906 2 m 8120 2104 Switzerland Power cord 917 2 m 8120 4211 India South Africa Power cord 901 2 m 8120 4475 Australia Power cord 919 2m 8120 5182 Israel Power cord 900 2 m 8120 1351 United Kingdom Singapore Hong Kong Power cord 920 2 m 8120 6869 Europe Power cord 921 4 5 m 8120 6980 Argentina Power cord 912 2 m 8120 2956 Greenland Replacement Parts and Assembly Drawings SureSigns VS4 Service Guide A Theory of O
94. listed and then perform the associated action to repair the problem Perform all actions in the order that they appear in a table Monitor problems are categorized as follows e Power e Display e Alarms e Measurements including NBP Temperature SpO e Navigation wheel touch screen and keys e Recorder e Nurse Call e USB hub If using the following troubleshooting tables does not solve the problem see Running System Diagnostics on page 4 29 Troubleshooting SureSigns VS4 Service Guide 4 3 Troubleshooting Tables Power Problems Symptom Possible Cause Action The monitor turns on with battery power but does not with AC power The power cord is unplugged Ensure that the AC power cord is plugged into an outlet The power cord is broken Replace the AC power cord The fuse is blown Replace the fuse See Removing a Fuse on page 5 5 The power supply cable malfunctioned Replace the DC In cable See Removing the Power Supply on page 5 30 The power supply malfunctioned Check output voltage on power supply If you do not measure 15 V replace the power supply See Removing the Power Supply on page 5 30 The AC power connector malfunctioned Replace the AC connector See Removing the AC Power Connector on page 5 39 The monitor keypad is worn Replace the front panel See Removing the LCD Assembly
95. ll Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 Troubleshooting SureSigns VS4 Service Guide 4 25 Error Codes Code Description Possible Cause Action 1026 System Error 1026 Could not load data from flash Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1027 System Error 1027 Could not start the front end Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the front end assembly See Removing the Front End Assembly on page 5 24 If the problem persists replace the main board See Removing the Main Board on page 5 31 1028 System Error 1028 Could not stop the front end Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the front end assembly See Removing the Front End Assembly on page 5 24 If the problem persists replace the main board See Removing the Main Board Assembly on page 5 18 1029 System Error 1029 Could not allocate enough memory Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists
96. m Diagnostics menu select the Audio Test button to start the test A window appears confirming that the monitor is entering the audio test and displays the text Listen for three short tones Verify three short tones at different decibel levels When the test completes the window closes Troubleshooting SureSigns VS4 Service Guide 4 33 Testing the Battery LED Testing the Battery LED To test the battery LED e Inthe System Diagnostics menu turn the wheel to highlight the LED Test button and then press the wheel to select the test A window opens and displays the expected LED behavior during the test If the Charging LED is functioning as expected the following sequence occurs Lights in yellow for five seconds Lights in green for five seconds Flashes in yellow for five seconds Flashes in green for five seconds The AC Power LED remains green during the test If you do not get the expected results see Power Problems on page 4 4 Viewing and Resetting Tracked Parameters The monitor tracks the usage of some parameters and displays them on the System Diagnostics menu This can be helpful in diagnosing problems with the monitor The monitor tracks the following parameters Parameter Description NBP Cycle Count The number of NBP measurements taken by the monitor LCD Usage Hours The number of hours that the LCD screen has been on Error
97. memory test and a front end test on all available modules such as SpO gt NBP or Predictive Temperature If the test cannot detect a specific module or if an error occurs then that test fails Note When the monitor is powered up from Standby mode the monitor performs the front end tests in addition to the start up sequence When the monitor is powered up from Deep Sleep mode the monitor performs the complete memory and front end tests Troubleshooting SureSigns VS4 Service Guide 4 29 Running the Self Test To run the self test Step 1 Access the System Diagnostics menu See Accessing the System Diagnostics Menu on page 3 10 2 Select the Self Test button The status of the self test is displayed While the test is running In Progress is displayed If a module is not installed or configured Not Supported is displayed as the Result If a test fails Failed in red text is displayed as the Result Self Test Test Item Memory Passed SpO Passed Predictive Temp Not Supported Tympanic Temp No Self Test 3 When all tests are complete select the Return button Detected errors are written to the error log with detailed error information and error codes Troubleshooting 4 30 SureSigns VS4 Service Guide Testing the Recorder Testing the Recorder To test the optional recorder
98. mmeter e A phono connector To perform the nurse call relay test Step 1 Plug the phono connector into the Nurse Call connector on the back of the monitor 2 Use the ohmmeter and patient simulator to verify relay operation as follows Condition Phone Jack Connector Tip Phone Jack Connector Ring Relay Normally Open Relay Normally Closed Alarm Closed Open No alarm Open Closed If the nurse call function does not work as expected see Chapter 4 Troubleshooting Calibrating the Touch Screen When you replace the LCD you must calibrate the touch screen after reassembly To calibrate the touch screen Step 1 Open the System Diagnostics menu See Accessing the System Diagnostics Menu on page 3 10 Touch the Touch Screen Calibration button Notes e You cannot enter the calibration mode with the navigation wheel you must touch the Touch Screen Calibration button e You cannot exit the test until it is completed Touch the Touch Screen Calibration button again The calibration screen appears Touch and hold the center of the target cross hair that appears until the target moves to another position Caution Do not use a sharp object that could scratch the screen Performance Verification Testing 3 22 SureSigns VS4 Service Guide Calibrating the Touch Screen Repeat step 4 until the c
99. mo mode is used for demonstrating the monitor without monitoring parameters Demo mode simulates all patient parameters and generates alarms when alarm settings are exceeded By default the check box is cleared Caution Entering Demo mode clears the patient data Note You cannot access the System Diagnostics menu when the monitor is in Demo mode To put the monitor in Demo mode Step 1 Open the System Admin Menu See Accessing the System Admin Menu on page 3 5 2 Select the Demo Mode check box 3 Select the Return button Performance Verification Testing 3 6 SureSigns VS4 Service Guide Upgrading the Software Step 4 Select Yes The monitor enters Demo mode and clears all patient data DEMO appears on the screen as shown ow o atient Type Date Time HR 8655677364 A 07 17 08 12 44 00 70Sp02 d st 8655677364 E 8655677364 ID Unknown ID Unknown 99 36 8 6177642666 7 67 99 36 9 6152925123 100 36 9 ea 9786592674 EF Aa al 0672172010 03 31 00 5 To exit Demo mode press the On Standby key to turn off the monitor The monitor clears all simulated patient data Upgrading the Software Use the following procedure to upgrade the system software with a USB flash drive When you upgrade the software the monitor saves all of the system settings including the System Admin Menu settings the Error log and the patient list
100. n circuitry Power transformers Opto isolator to provide patient isolation from the monitor Theory of Operation SureSigns VS4 Service Guide A 3 Block Diagram Components In addition the Front End Board contains a patient connector block that is soldered onto the board The patient connector block contains B2B connector s to the main board The patient connector block circuitry sends low level analog measurement signals that are converted to DC and then fed serially to the main board for analysis For example Analog A D SpO2 signal conversion Serial digital data Communications LAN Board The communications LAN board contains these components e USB connector and its EMC ESD parts e LAN connector and isolation transformer e Nurse Call alarm contact connector and relay e B2B connector to main board Nurse Call Contacts The nurse call alarm contacts are available through a 3 5 mm miniature insulated phone jack on the back of the monitor The alarm contacts close open for any alarm condition detected by the monitor The alarm contacts are the three switching signals associated with a single pole double throw relay e Normally open contact NO e Common contact e Normally closed contact NC Contact Rating NO 1A lt 25 VAC Common contact 1A lt 60 VDC Isolation of 1 5 KV Front Panel Assembly The front panel assembly contains these elements LCD 8 4 inch SVGA
101. n self test See Power On Self Test on page 3 12 e Verify that your system settings are as expected Performance Verification Testing SureSigns VS4 Service Guide 3 9 Performing Verification Tests Performing Verification Tests Some of the verification tests require using the System Diagnostics menu or the Maintenance options When you open the System Diagnostics menu monitoring is suspended and measurements stop Notes e The Charging LED does not show battery status while the System Diagnostics menu is open e The System Diagnostics menu is not available in Demo mode Accessing the System Diagnostics Menu Use the System Diagnostics Menu to track component usage hours and perform the system diagnostic and verification tests Note You cannot access the System Diagnostics menu when the monitor is in Demo mode To access the System Diagnostics menu Step 1 Open the System Admin Menu See Accessing the System Admin Menu on page 3 5 2 Select the Diagnostics button The System Diagnostics menu appears System Diagnostics NBP Cycle Count 44 LCD Usage Hours 23 1 Errors 0 C ErrorLog _ Self Test Display Test Recorder Test f Audio Test Battery Info lt LED Test Keys Test jJ q Touch Screen Calibration Network Test Maintenance gt gt 3 To access the options under the Maintenance gt gt button see Accessing Maintenance Options on page 3 11
102. ng the Main Board on page 5 31 1035 System Error Cannot initialize the front end manager Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1036 System Error Failed to start work thread Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1037 System Error Cannot start polling thread Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1039 System Error Cannot get front end version Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the front end assembly See Removing the Front End Assembly on page 5 24 If the problem persists replace the main board See Removing the Main Board on page 5 31 Troubleshooting SureSigns VS4 Service Guide 4 27 Error Codes Code Description Possible Cause Action 1042 System Error Failed to start up network driver Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists
103. ng the System Menu on page 3 4 The touch screen is not configured In the Configuration menu select the Touch Screen button For more information see the Setting the System Configuration on page 5 35 The touch screen is not calibrated Calibrate the touch screen See Calibrating the Touch Screen on page 3 22 The touch screen malfunctioned Replace the touch screen See Removing the LCD Assembly on page 5 44 Recorder Problems Symptom Possible Cause Action The recorder paper is jamming The paper is not installed correctly Remove paper and reinstall correctly The wrong type of paper is installed Use only the recommend recorder paper The recorder has a mechanical problem Replace the recorder module See Removing the Faceplate or Recorder on page 5 16 SureSigns VS4 Service Guide Troubleshooting 4 9 Troubleshooting Tables Symptom Possible Cause Action The recorder does not print The recorder is out of paper Install a new roll of paper The recorder door is open Open the recorder door and then close it again The system does not recognize the recorder Check the recorder s physical connections See Removing the Faceplate or Recorder on page 5 16 The recorder module malfunctioned Replace the recorder module See Removing th
104. ns Voltage S 3 Patient Leakage current Single Fault Condition S F C mains on applied part _ Not present in Class 2 Instrument under test L N o kas aa amp F v s2 si Lo O O 2 N L a O red Insulating pad Expected Test Results Maximum leakage current x lt 50nA 250V IEC60601 1 and UL 60601 1 Measures patient leakage current from applied part to earth caused by external main voltage on applied part with switch S5 open and closed Each polarity combination possible is tested using S2 and S6 This test is applicable for every measurement input Nurse Call Relay Test If your facility uses the nurse call function on the monitor perform the following procedure to test the nurse call alarm output relay The nurse call alarm output is a phone jack connector that is capable of both normally closed and normally open relay operation The nurse call connector jack has three contacts that connect with those on a phono connector as shown in the following illustration ee ete omen Tip Relay normally open closed for alarm e Ring Relay normally closed open for alarm e Sleeve Common Performance Verification Testing SureSigns VS4 Service Guide 3 21 Calibrating the Touch Screen To perform this test you need e A patient simulator e An oh
105. nts The blood pressure range is Systolic 30 mmHg 270 mmHg and Diastolic 10 mmHg 245 mmHg The accuracy is 5 mmHg with a standard deviation no greater than 8 mmHg NBP processing uses an oscillometric technique to provide needed measurements at selected intervals This technique uses an inflatable sphygmomanometer cuff similar to those used by clinicians in routine measurements At the default inflation pressure a motorized pump inflates the cuff to approximately 160 mmHg adult mode initially at which point the pressure effectively stops the flow of blood Then under monitor control the pressure in the cuff is gradually reduced while a pressure transducer detects the pressure and transmits the parameter signal to the NBP input circuitry As the pressure is reduced blood flows in the previously occluded artery and changes the measurements made by the transducer The point at which oscillation increases sharply is defined as systolic pressure As the cuff continues to deflate the oscillation amplitude increases to a maximum and then decreases The peak oscillation amplitude is defined as the mean arterial pressure The point at which the system detects a rapid decrease in oscillation is defined as the diastolic pressure Theory of Operation A 6 SureSigns VS4 Service Guide Block Diagram Components SpO Processing The SpO module measures oxygen saturation in the blood using an optical spectrophotometry technique It is bas
106. nu appears NBP Calibration Set Pressure Value Note f you are using a manual manometer close the valve before continuing 2 Select the Start button to begin calibration The monitor inflates the expansion chamber and displays the message Starting NBP Calibration 3 Wait until the message Ready for calibration at first pressure point appears 4 Select the Set Pressure Value field and then select the value to match that displayed on the manometer 5 Select CAL Point to save the calibration point 6 Wait until the message NBP calibration successful appears If the test fails for any reason select the Stop button to stop the test 7 Select the Return button to exit the test 8 To verify the calibration check the accuracy of the NBP See NBP Accuracy on page 3 14 Performance Verification Testing SureSigns VS4 Service Guide NBP Test Step If you do not get the expected results after several tries see Chapter 4 Troubleshooting Pneumatic Leakage Test To check the pneumatic system and valve Step 1 In the NBP Test window select the Start Static Pressure Test button 2 Squeeze the manometer pump to apply a pressure of 280 mmHg Wait 10 seconds for the pressure to stabilize Note the pressure value in the NBP Test window Note Philips employees record this value as P1 Wait 60 seconds for the pressure to stabilize Note the pre
107. obe Cover Holder on page 5 6 866 46 Temp Probe Error 46 Measurement above Verify conditions at 50 F If conditions are allowable temperature values and far above the high ambient and or patient limits valid and problem persists replace the temperature probe If the problems replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 Troubleshooting SureSigns VS4 Service Guide 4 19 Error Codes Code Description Possible Cause Action 866 52 Temp Probe Error 52 Probe not Replace the probe characterized calibrated If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 866 63 Temp Probe Error 63 Probe well missing or not Reseat or replace the well installed properly If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 866 70 Temp Probe Error 70 Error reading the probe s Shut down see Shutting Down the EEPROM Monitor on page 5 2 and restart the monitor If the problem persists replace the temperature probe 866 75 Temp Probe Error 75 Error reading the probe s Shut down see Shutting Down the EEPROM correctly or the Monitor on page 5 2 and restart the probe was not factory monitor
108. on page 5 10 Tympanic temperature reading is unusually high The probe cover is faulty or incorrectly attached Verify the tip of the probe cover is not torn and that the probe is inserted into the cover completely Tympanic temperature reading is unusually low The probe probe cover or ear canal is obstructed Ensure the probe probe cover or ear canal are free of obstructions SpO Measurement Problems Symptom Possible Cause Action SpO measurements are not displayed The SpO module is in the learning phase Wait until the module finishes the learning phase The SpO sensor malfunctioned Replace the SpO sensor The SpO board has a faulty connection to the front end board Ensure that all connectors to the front end board are seated correctly The SpO board malfunctioned Replace the SpO gt board See Removing the SpO Board on page 5 28 The main board malfunctioned Replace the main board See Removing the Main Board on page 5 31 SpO measurements are unreliable External problem For example excessive patient movement Ensure that all external SpO gt reading requirements are met and that the patient is not moving excessively For more information about taking SpO gt readings see the SureSigns VS4 Instructions for Use Perfusion is low Reset the SpO function See SpO Test on page
109. onitor see Removing the Battery on page 5 3 Use needle nose pliers to lift the fuse holder away from AC power connector Replace the fuse s and then push the fuse holder back into the power connector until it snaps into place Repairing the Monitor SureSigns VS4 Service Guide 5 5 Removing the Predictive Temperature Module and Probe Cover Holder Removing the Predictive Temperature Module and Probe Cover Holder To remove the predictive temperature module and probe cover holder Step 1 Disconnect the AC power cord from the rear of the monitor 2 Disconnect the temperature probe 3 Remove the battery from the monitor see Removing the Battery on page 5 3 4 Remove the Torx T10 screw and washer from the probe cover holder and remove the holder from the case Repairing the Monitor 5 6 SureSigns VS4 Service Guide Removing the Predictive Temperature Module and Probe Cover Holder 5 Remove three Torx T10 screws and washers from the bottom of the rear cover and remove the cover from the monitor case 6 Disconnect the temperature module cable from the connector on the front end assembly board Dad Connector Repairing the Monitor SureSigns VS4 Service Guide 5 7 Removing the Predictive Temperature Module and Probe Cover Holder T Remove the two Torx T10 screws and washers from the temperature
110. onnect the ribbon cable and the navigation wheel assembly board cable from the main board Navigation wheel assembly cable Repairing the Monitor 5 14 SureSigns VS4 Service Guide Separating the Front and Rear Case Assemblies Disconnect the cable from the touch screen board i D i Touch screen board cable TL ia T N N sig 10 Rotate the monitor and disconnect the two cables from the opposite side of the main board Repairing the Monitor SureSigns VS4 Service Guide 5 15 Removing the Faceplate or Recorder Reassembling the Front and Rear Cases To reassemble the front and rear cases Step 1 Connect all cables 2 Line up the tab on the front assembly case with the handle on the rear case and then slip the front assembly case over the handle 3 Snap the two assembly cases together and install the four screws 4 Power up the monitor If the monitor starts properly perform the required performance tests see Testing and Inspection Guidelines on page 3 1 Removing the Faceplate or Recorder To remove the faceplate or optional recorder Step 1 Shut down the monitor See Shutting Down the Monitor on page 5 2 2 Go to the step appropriate for your monitor For monitors without the optional recorder go to step 3 For monitors with an optional recorder go to step 5
111. ons equipment and the product The cables sensors transducers and other accessories for which compliance is claimed are listed in the beginning of this guide e Use of accessories transducers and cables other than those specified may result in increased emissions and or decreased immunity of the SureSigns VS4 vital signs monitor e The SureSigns VS4 vital signs monitor should not be used adjacent to or stacked with other equipment If adjacent or stacked use is necessary the monitor should be observed to verify normal operation in the configuration in which it is used Reducing Electromagnetic Interference The SureSigns VS4 vital signs monitor and associated accessories can be susceptible to interference from other RF energy sources and continuous repetitive power line bursts Examples of other sources of RF interference are other medical electrical devices cellular products information technology equipment and radio television transmission If interference is encountered as demonstrated by dramatic variations in physiological parameter measurement values attempt to locate the source Assess the following e Is the interference due to misplaced or poorly applied electrodes or sensors If so re apply electrodes and sensors correctly according to directions in the product s Instructions for Use e Is the interference intermittent or constant Does the interference occur only in certain locations e Does the interferen
112. ont end assembly See Removing the Front End Assembly on page 5 24 Troubleshooting SureSigns VS4 Service Guide 4 23 Error Codes Code Description Possible Cause Action 867 69 Temp Module Malfunc 69 Error reading writing to Shut down see Shutting Down the the module s EEPROM Monitor on page 5 2 and restart the monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 If the problem persists replace the front end assembly See Removing the Front End Assembly on page 5 24 867 74 Temp Module Malfunc 74 Internal error Module is Shut down see Shutting Down the trying to initialize the Monitor on page 5 2 and restart the EEPROM if it detects that monitor it has not been initialized If the problem persists replace the before temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 867 82 Temp Module Malfunc 82 Signal HTR_Q is on and Shut down see Shutting Down the signal HTRC is off but Monitor on page 5 2 and restart the still have voltage monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 867 83 Temp Module Malfunc 83 Signal HTR_Qistri stated Shut down see Shutting Down the wit
113. or is in Standby mode Press the On Standby key to end screen is blank Standby mode LCD is faulty The connection with the backlight Ensure that there is a proper connection between the cable LCD and main board The main board malfunctioned Replace the main board See Removing the Main Board on page 5 31 Troubleshooting 4 4 SureSigns VS4 Service Guide Troubleshooting Tables Symptom Possible Cause Action The monitor displays random or distorted graphics with a white background The LCD signal cable is not attached correctly Open the monitor and reseat the LCD signal cable See Removing the LCD Assembly on page 5 44 The LCD malfunctioned Replace the LCD See Removing the LCD Assembly on page 5 44 The main board malfunctioned Replace the main board See Removing the Main Board on page 5 31 The monitor turns on and the opening screen and or color bar starts but then freezes The main board malfunctioned Replace the main board See Removing the Main Board on page 5 31 Alarm Problems Symptom Possible Cause Action A flashing red and white box with the message AUDIO FAILED appears on the screen The speaker malfunctioned Clear the error message by performing the speaker test or clearing the error log See Testing the Speaker on page 4 33 or Clearing P
114. peration This section contains a system overview of the SureSigns VS4 vital signs monitor including a high level block diagram The block diagram shows major components of the monitor including the power supply isolated front end NBP control SpO processing and microcontroller The SureSigns VS4 is a vital signs monitor for use on adult pediatric and neonatal patients The functions performed by the system include e Non invasive blood pressure e Blood oxygen saturation e Temperature In addition to monitoring and displaying the status of physiological parameters the monitor performs various microprocessor programmed analytical functions including e Creating both visual and audible alarm signals when settings are violated e Creating and displaying warning messages when conditions are detected that would degrade or prevent valid measurements e Creating and displaying tabular data e Providing input to an optional recorder for printout of current or tabular data The SureSigns VS4 vital signs monitor operates from either an AC power source or battery power The monitor charges the battery when powered by an AC line Block Diagram Components The SureSigns VS4 vital signs monitor contains several major blocks including e Front end assembly e Main board e Communications board e Front panel assembly The monitor also contains several additional modules Note Shaded items in the diagram indicate parts that are field
115. peration block diagram A 1 front end board A 3 front panel assembly A 4 main board A 3 monitored temperature A 7 navigation wheel A 5 NBP assembly A 6 nurse call contacts A 4 power supply A 5 predictive temperature A 7 recorder A 6 speaker A 5 SpO gt processing A 7 system overview A 1 temperature A 7 tools required for repairs 5 2 Index 3 SureSigns VS4 Service Guide touch screen board removing 5 50 calibration 3 22 theory of operation A 5 troubleshooting problems 4 9 troubleshooting AC power 4 4 diagnosing problems 4 1 front panel 4 9 navigation wheel 4 9 NBP 4 6 nurse call 4 10 overview 4 1 recorder 4 9 4 10 SpO measurements 4 8 temperature measurement problems 4 7 touch screen 4 9 tympanic temperature module calibration 3 18 performance test 3 18 removing 5 10 theory of operation A 8 U upgrade software performing 3 7 USB hub troubleshooting 4 10 V verification tests 3 1 alarms 3 13 NBP 3 14 NBP accuracy 3 14 NBP calibration 3 16 nurse call relay 3 21 performing 3 10 pneumatic leakage 3 17 power on self test 3 12 predictive temperature 3 18 safety 3 19 SpO 3 13 temperature 3 19 visual 3 12 viewing battery information 2 2 system information 4 1 visual verification test 3 12 W wheel see navigation wheel 5 47 wireless module removing 5 50 theory of operation
116. reSigns VS4 Service Guide 5 43 Removing the LCD Assembly 5 Lift the board out of the slot in the metal frame and remove it Removing the LCD Assembly Caution Perform this procedure in a dust free environment to avoid damage to the LCD display After replacing the LCD you must reset the LCD usage hours For more information about resetting the LCD usage hours see Viewing and Resetting Tracked Parameters on page 4 34 To remove the LCD assembly Step 1 Separate the front and rear monitor case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 Repairing the Monitor 5 44 SureSigns VS4 Service Guide Removing the LCD Assembly 2 Remove the six Torx T10 screws that hold the LCD assembly and frame in place 3 i Lip SSA Ribbon Cable jj 4 Repairing the Monitor SureSigns VS4 Service Guide 5 45 Removing the LCD Assembly 5 Gently peel the adhesive strip from the LCD frame and lift the wireless board ribbon cable away from the LCD frame to expose the grounding screw Note Save the adhesive strip to use when you reassemble the front panel 6 Remove the grounding screw with a Phillips screwdriver 7 Gently peel the membrane switch ribbon cable from the foam adhesive and lift the LCD assembly out of the front case a om _ Ribbon Cable Repairin
117. replace the main board See Removing the Main Board on page 5 31 1030 System Error 1030 An error occurred when the system shut down front end devices Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1031 System Error 1031 The monitoring and watchdog thread could not initialize Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 Troubleshooting 4 26 SureSigns VS4 Service Guide Error Codes Code Description Possible Cause Action 1032 System Error Could not open audio files Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1033 System Error Unspecified error Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 1034 System Error Failed to load product info Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removi
118. robe Cover Holder on page 5 6 If the problem persists replace the front end assembly See Removing the Front End Assembly on page 5 24 867 66 Temp Module Malfunc 66 The module s non volatile calibration memory error detection mechanism detected an error Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 If the problem persists replace the front end assembly See Removing the Front End Assembly on page 5 24 867 67 Temp Module Malfunc 67 Error reading writing to the module s EEPROM Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 If the problem persists replace the front end assembly See Removing the Front End Assembly on page 5 24 867 68 Temp Module Malfunc 68 Error reading writing to the module s EEPROM Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 If the problem persists replace the fr
119. s When You Cannot Correct a Problem The information in this chapter is intended to help you resolve most problems that may occur with your monitor If you still cannot isolate a problem after using the information in this chapter call the Philips Customer Care Center or your local representative Viewing System Information Before you troubleshoot the monitor identify important information about the monitor such as the hardware version and the software version which are displayed in the System Menu To view the System Menu e Select the System button The System Menu appears Diagnosing a Problem Before you begin to troubleshoot a problem or open the monitor for repair check the following basics Is the power switch turned on Is the battery adequately charged Is the AC power cord connected to the monitor and plugged into a functional AC outlet Is the monitor s display functioning te a Are the LEDs on the front of the monitor lit as you expect Note It may take several seconds for the AC Power LED to light or turn off after the AC power cord has been connected or disconnected Troubleshooting SureSigns VS4 Service Guide 4 1 Start up and Power Sequences Start up and Power Sequences If the monitor is not receiving power 1 Check Start up and Power Sequences on page 4 2 and then follow the troubleshooting steps in Power Problems on page 4 4 2 Ifthe monitor has no
120. s The number of errors recorded by the monitor For more information about tracked errors see Viewing Printing and Exporting the Error Log on page 4 36 Troubleshooting 4 34 SureSigns VS4 Service Guide Viewing and Resetting Tracked Parameters Resetting Parameters Caution You must always reset a tracked parameter after replacing the associated part To reset a tracked parameter Step 1 Open the Maintenance options of the System Diagnostics menu See Accessing Maintenance Options on page 3 11 When Maintenance options are available a Reset button appears next to each tracked parameter Select the Reset button to the right of the parameter to reset A confirmation window appears before the parameter is cleared In the confirmation window select Yes to reset the parameter to 0 Repeat step 2 and step 3 to reset any other parameter Select the Return button The System Admin Menu appears Select the Return button The System Menu appears Select the Shutdown button A confirmation window asks if you want to shut down the system In the confirmation window select Yes The monitor shuts down Troubleshooting SureSigns VS4 Service Guide 4 35 Viewing Printing and Exporting the Error Log Viewing Printing and Exporting the Error Log 4 36 When the monitor detects a system error it displays a message in the messag
121. s VS4 Service Guide Error Codes Code Description Possible Cause Action 818 199 NBP Equip Malfunc 199 No data from NBP block Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 819 NBP Equip Malfunc Not Calibrated NBP not calibrated Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists recalibrate the NBP module See NBP Test on page 3 14 819 127 NBP Equip Malfunc 127 NBP module is not calibrated Contact the Customer Care Center 820 138 NBP Hose Blocked 138 Problem in pneumatic system Verify that all internal NBP hoses are connected If the problem persists shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the NBP module See Removing the NBP Module on page 5 36 If the problem persists replace the main board See Removing the Main Board on page 5 31 821 139 NBP Air Leak 139 Air leak or valve defect Verify that all internal NBP hoses are connected If the problem persists shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the NBP module See Removing the NBP Module on page 5
122. s in step 3 see SpO Measurement Problems on page 4 8 Caution A functional tester cannot be used to assess the accuracy of a pulse oximeter monitor However if there is independent demonstration that a particular calibration curve is accurate for the combination of a pulse oximeter monitor and a pulse oximeter sensor then a functional tester can measure the contribution of a monitor to the total error of a monitor sensor system The functional tester can then measure how accurately a particular pulse oximeter monitor is reproducing that calibration curve Performance Verification Testing SureSigns VS4 Service Guide 3 13 NBP Test NBP Test These tests check the performance of the non invasive blood pressure measurement e NBP accuracy e NBP calibration procedure if required e NBP pneumatic leakage To perform these tests you need e A reference manometer includes hand pump and valve accuracy 0 2 of reading e An expansion chamber volume 250 ml 10 e Appropriate tubing NBP Accuracy To test the NBP accuracy Step 1 Connect the manometer and the pump with tubing to the NBP connector on the monitor 2 Connect the tubing to the expansion chamber 250 ml cylinder Expansion chamber Manometer Monitor 3 Open the Maintenance options in the System Diagnostics menu See Accessing Maintenance Options on page 3 11 Performance Verification Testing 3 14 Sure
123. se there is no data Replace the NBP module See Removing the NBP Module on page 5 36 If the problem persists replace the main board See Removing the Main Board on page 5 31 818 101 NBP Equip Malfunc 101 Task overrun Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 102 NBP Equip Malfunc 102 Interrupt stack overwritten Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 103 NBP Equip Malfunc 103 User stack overwritten Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 104 NBP Equip Malfunc 104 Data validity check failed Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 106 NBP Equip Malfunc 106 Unable to write init flag data to non volatile memory Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See
124. se assemblies See Separating the Front and Rear Case Assemblies on page 5 12 2 Remove the main board assembly See Removing the Main Board Assembly on page 5 18 Repairing the Monitor 5 24 SureSigns VS4 Service Guide Removing the Front End Assembly Turn the main board assembly around and disconnect the tubing from the NBP manifold Remove the two Torx T10 screws and washers holding the front end assembly to the frame o gt wu 4 e 8 By 2 3 8 Repairing the Monitor SureSigns VS4 Service Guide 5 25 Removing the Front End Assembly 5 Pull the front end assembly away from the 40 pin connector on the side of the main board be beb beet Removing the Front End Assembly Cover To remove the front end assembly cover Step 1 Separate the front and rear monitor case assemblies See Separating the Front and Rear Case Assemblies on page 5 12 2 Remove the main board assembly See Removing the Main Board Assembly on page 5 18 3 Remove the front end assembly See Removing the Front End Assembly on page 5 24 Repairing the Monitor 5 26 SureSigns VS4 Service Guide Removing the Front End Assembly 4 Remove the two Torx T10 screws holding the plastic cover to the front end assembly board 5 Remove the front end assembly cover by
125. ssure value in the NBP Test window Note Philips employees record this value as P2 Calculate and document the leakage test value The leakage test value should be less than or equal to 6 mmHg Note Philips employees record this value as X3 where X3 P1 P2 Select the Stop Static Pressure Test to stop the process If the leakage test value exceeds 6 mmHg check the test setup cuff and tubing and then test again If the test still fails check the pneumatic tubing inside the monitor If you cannot eliminate the leak see Chapter 4 Troubleshooting Performance Verification Testing SureSigns VS4 Service Guide 3 17 Predictive Temperature Test Predictive Temperature Test The following procedure uses a fixed temperature value to check the performance of the temperature measurement on the monitor To perform this test you need e A SureSigns temperature probe e A SureSigns Temperature Calibration Key part 4535 640 33691 To test the performance of the temperature measurement Step 1 Connect the temperature probe to the monitor 2 Open the Temperature Menu and select Monitored mode 3 Remove the temperature probe and the probe well and disconnect the temperature probe connector from the monitor Note 4 temperature probe error may occur and an alarm may sound 4 Connect the SureSigns temperature calibration key to the tempera
126. sts replace the main board See Removing the Main Board on page 5 31 865 FPGA FIFO Overrun Temperature software Informational message No action error required 866 21 Temp Probe Error 21 The probe is operating in Replace the probe temperature conditions If the problem persists replace the above 43 3 C a 12 F temperature module Probe tip is defective i fiat enter toorcloceto See Removing the Predictive Ghote Temperature Module and Probe Cover Holder on page 5 6 866 22 Temp Probe Error 22 Excessive heater energy Repeat the measurement Heater not working or it If the problem persists replace the probe could have taken too long to predict 866 32 Temp Probe Error 32 Thermistor pulled away Repeat the measurement from the tip or heater If the problem persists replace the probe broken 866 33 Temp Probe Error 33 Probe not responsive Repeat the measurement Probe not If the problem persists replace the probe characterized calibrated 866 34 Temp Probe Error 34 Probe not Repeat the measurement characterized calibrated If the problem persists replace the probe 866 45 Temp Probe Error 45 Measurement below Verify conditions at 50 F If conditions are allowable temperature valid and problem persists replace the values and far below the temperature probe low ambient limits If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Pr
127. sts the SureSigns VS4 monitor spare parts and their Philips part numbers See Figure 6 1 through Figure 6 3 for the item numbers that correspond to each spare part in the list Note For clarity some screws and connector lines do not appear in the drawings Description Part Number Figure Item Number 2D Barcode Scanner 4535 640 51331 6 2 32 Antenna 4535 642 70421 6 1 37 Battery Lithium Ion 9898 031 44631 6 2 24 Battery connector board 4535 640 20271 6 2 12 Cable DC in 4535 640 20291 6 2 18 Cable LCD 4535 643 57381 6 1 5 Cable LCD signal in 4535 640 53881 6 1 4 Cable Navigation wheel board 4535 640 31241 6 1 8 Cable Touchscreen interface 4535 643 57811 Not shown Cable Wireless board to navigation wheel board 4535 643 57401 6 1 39 Cover without recorder 4535 642 09251 6 2 31 Fan assembly 4535 640 24591 6 2 36 Front end assembly NBP and SpO gt 4535 640 41441 6 2 16 Front panel with touchscreen 4535 643 57411 6 1 1 Front panel with touchscreen English labels 4535 643 57461 Not shown LAN I O Communications Board 4535 640 41481 6 2 13 LCD assembly 4535 643 57421 6 1 2 LCD frame 4535 643 57491 6 1 3 LCD touchscreen controller board 4535 643 57801 6 1 6 Main board 4535 643 57371 6 2 15 Main frame 4535 640 24621 6 2 30 Navigation wheel board with wireless interface 4535 643 57391 6 1 9 NBP filter replacement 4535 640 411
128. tery charger e DC DC converter The power management circuitry charges a Li Ion battery through a smart battery charger Both the battery and the AC DC power module can power the system through several DC DC converters that provide various voltage outputs required by various chips Isolated transformers provide the power to the front ends floating area Theory of Operation SureSigns VS4 Service Guide A 5 Block Diagram Components Recorder The recorder contains the following elements e Digital thermal head array assembly e Printing width 48 mm on 58 mm paper Resolution Time axis 16 dots mm at the speed of lt 25 mm sec 8 dots mm at 50 mm sec Voltage axis 8 dots mm e Motor paper drive and driver circuitry e Paper out door open detector e Selectable print speed 6 25 12 5 25 50 mm s Print head control logic is implemented on the main board The microprocessor sends data to the recorder via a local bus NBP Assembly and Circuitry The NBP assembly and circuitry contain the following elements Pump e Valves 2 valve system of dump and safety valve e Manifold e Filter e Pressure measurement and control circuitry Pressure data is converted to digital format and conveyed to the processor The NBP pump uses an oscillometric method that employs stepwise pressure deflation The measurement software eliminates most ambient noise and motion interference Applications are neonatal pediatric and adult patie
129. the Tympanic Temperature Module on page 5 10 867 103 Temp Module Malfunc 103 The ambient temperature Place the monitor in an environment with is below the minimum a temperature between 16 C and 33 C operating temperature 60 8 F and 91 4 F limit 867 104 Temp Module Malfunc 104 The ambient temperature Place the monitor in an environment with is above the maximum a temperature between 16 C and 33 C operating temperature 60 8 F and 91 4 F limit 868 Temp Error The front end No data from temperature Allow the monitor to reset Check the will now reset itself temperature module and front end board connection cable If the problem persists replace the temperature module See Removing the Predictive Temperature Module and Probe Cover Holder on page 5 6 881 Speaker Malfunc 881 The speaker failed To clear the message perform the speaker test or clear the error log See Testing the Speaker on page 4 33 or Clearing Patient Data on page 4 37 If the problem persists replace the speaker See Removing the Fan and Speaker on page 5 22 882 Wireless Malfunc The wireless module Replace the wireless module See malfunctioned Removing the Wireless Module on page 5 50 883 Touch Screen Malfunc The touch screen Replace the LCD See Removing the malfunctioned LCD Assembly on page 5 44 1025 System Error 1025 Could not load Shut down see Shutting Down the ResourceDLL d
130. this value as PO P or PO F Performance Verification Testing 3 12 SureSigns VS4 Service Guide Alarms Test Alarms Test The following test allows you to verify that the visual and audio alarms are working To perform this test you need an NBP cuff and hose To test the alarms Step 1 With the monitor turned on make sure that all alarms are enabled the monitor is not in Audio Pause or Audio Off mode Make sure the NBP alarm is enabled the crossed bell icon does not appear in the NBP numeric pane Connect the NBP hose to the NBP input connector but do not place the cuff on your arm Press the NBP key on the front panel Wait for the NBP module to cycle and check that an NBP error message appears and an alarm tone sounds If you do not get the results in step 5 see NBP Problems on page 4 6 SpO Test The following procedure tests the performance of the SpO measurement and alarm To perform this test you need an adult SpO sensor To perform the SpO test Step 1 Connect an adult SpO gt sensor to the SpO connector on the monitor Ensure that the red LED in the sensor is lit Connect the other end of the sensor to your finger Verify that the SpO value displayed on the monitor is between 95 and 100 If it is not try the test again with a patient simulator If you still do not get the result
131. ting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 113 NBP Equip Malfunc 113 Unable to verify calibration data written to non volatile memory Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 114 NBP Equip Malfunc 114 Error log checksum error Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 115 NBP Equip Malfunc 115 Unable to write error log to non volatile memory Shut down see Shutting Down the Monitor on page 5 2 and restart the monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 Troubleshooting SureSigns VS4 Service Guide 4 13 Error Codes Code Description Possible Cause Action 818 116 NBP Equip Malfunc 116 Unable to verify error log Shut down see Shutting Down the data written to Monitor on page 5 2 and restart the non volatile memory monitor If the problem persists replace the main board See Removing the Main Board on page 5 31 818 117
132. tion A 4 relay verification test 3 21 troubleshooting 4 10 O opening monitor 5 12 operational checks 2 1 O ring replacing 5 24 P patient data clearing all 4 37 performance tests overview 3 1 recommended frequency 3 2 pneumatic leakage verification test 3 17 power and start up sequences 4 2 power cables 6 6 power connector removing 5 39 power problems troubleshooting 4 4 power supply removing 5 30 theory of operation A 5 power on self test 3 12 predictive temperature test 3 18 3 19 theory of operation A 7 printer see recorder probe cover holder temperature removing 5 6 R recorder installing 5 16 removing 5 16 testing 4 31 theory of operation A 6 troubleshooting 4 9 4 10 recording test results 3 3 related documents 1 1 Relative Charge 2 3 repairing monitors AC power connector removing 5 39 antenna removing 5 52 battery connector board removing 5 42 communications LAN board 5 41 disassembly 5 1 faceplate removing 5 16 fan speaker assembly removing 5 22 front end assembly cover removing 5 26 front end assembly removing 5 24 handle O ring removing 5 24 installing battery 5 4 LCD removing 5 44 navigation wheel assembly 5 47 NBP filter removing 5 38 NBP module removing 5 36 power connector fuse 5 5 power supply removing 5 30 reconditioning the battery 2 4 recorder installing 5 16 record
133. tional pages to be merged by a revision date at the bottom of the page Pages that are rearranged due to changes on a previous page are not considered revised The documentation printing date and part number indicate its current edition The printing date changes when a new edition is printed Minor corrections and updates that are incorporated at reprint do not cause the date to change The document part number changes when extensive technical changes are incorporated First Editioners oie E Sa Bl tt Bk oe Dn oe tg eR ated le June 2012 ii SureSigns VS4 Service Guide Conventions This section describes the conventions used in this guide Text Formatting The following typographical conventions are used in this guide Typeface Usage Example Bold System keys Press the Main Screen key Special bold User interface text Open the System Menu Italic Variables document e lt product name gt lt hardware titles configuration gt lt software version gt cfg e SureSigns VM Series Instructions for Use Decimal Points Because the SureSigns monitor uses a period to indicate a decimal point in decimal numbers for example 10 0 all decimal numbers in this guide use a period as a decimal point Commas are not used as decimal points Notes Cautions and Warnings The guide uses the following conventions for Notes Cautions and Warnings Note A Note calls attention to an important point in
134. ture module 5 Replace the temperature probe and the probe well Note Jf a temperature probe error was generated the alarm stops 6 Remove the temperature probe from the probe well 7 Wait for the monitor to display the static temperature value 8 Check that the displayed temperature reads 36 3 0 1 C 97 3 0 2 F 9 If the value is not within tolerance see Temperature Measurement Problems on page 4 7 Tympanic Temperature Test To verify the performance of the tympanic temperature module you must do one of the following e Send the monitor to Philips for calibration Contact the Philips Customer Care Center or your local Philips representative e Purchase a Covidien calibration device part number 303079 See the Covidien web site for ordering information www covidien com Note The battery compartment in the tympanic temperature probe is not functional Performance Verification Testing 3 18 SureSigns VS4 Service Guide Safety Tests Safety Tests Use the following safety test procedures to verify safe service of the monitor The setups and the acceptable ranges of values used for these tests are derived from local and international standards but may not be equivalent These tests are not a substitute for local safety testing where it is required for an installation or a service event If you use the Metron Safety tester perform the tests in accordance with your local regulations
135. ube or cuff Replace the cuff and ensure that there is no air leakage in the tube The NBP module malfunctioned Replace the NBP pump module See Removing the NBP Module on page 5 36 The NBP pump filter is blocked Replace the NBP pump filter See Removing the NBP Filter on page 5 38 The main board malfunctioned Replace the main board See Removing the Main Board on page 5 31 NBP measurements are not displayed Wrong cuff size or incorrect cuff placement Use proper cuff size ensure proper cuff placement Initial pressure setting is incorrect Specify the correct initial pressure For more information see the SureSigns VS4 Installation and Configuration Guide The air tube is bent or twisted or there is air leakage in the air tube or cuff Ensure that the tube is straight and not kinked Replace the cuff and ensure that there is no air leakage in tube External problem Ensure that all external blood pressure reading requirements are met and that the patient is not moving excessively For more information about measuring NBP see the SureSigns VS4 Instructions for Use The NBP pump filter is blocked Replace the NBP pump filter See Removing the NBP Filter on page 5 38 NBP module error Replace the pump module or main board See Removing the NBP Module on page 5 36 or Removing the Main Board on page 5 31
136. us monitoring with no printing and one NBP measurement every 15 minutes Observe these guidelines If a battery shows damage or signs of leakage replace it immediately Never use a faulty battery in the monitor Never dispose of the battery in a normal waste container Never leave a battery inside the monitor if it is not used for a long period of time Never store a battery that is more than 50 charged Note For information about the battery status indicators see the SureSigns VS4 Instructions for Use Viewing Battery Information 2 2 As a battery ages its capacity decreases and the battery status indicator becomes increasingly less accurate relative to the total number of charges and discharges Select the Battery Info button to display information about the battery Performing Routine Maintenance SureSigns VS4 Service Guide To view information about the battery Maintaining the Battery Step 1 Open the System Diagnostics Menu See Accessing the System Diagnostics Menu on page 3 10 2 Select the Battery Info button The Battery Info window opens Battery Info Manufacturer EONEMOLI Chemistry LION Serial Number 17403 Manufact Date 06 27 12 Cycle Count 95 Max Error 100 Relative Charge 86 Absolute Charge 79 Battery Name E013R Voltage 12503 mV Current 664 mA Temperature 299 50 K 26 50 C Full Capacity 7261 mAH Design Capacity 7200 mAH Recondition Note
137. use period China Equipotential grounding post Defibrillator Proof Type CSA mark 9 CF applied part p C US Ingress protection to Compliance with WEEE IPX1 vertically falling water standard drops FCC label for radio Industry Canada label FCC ID IC ID for r dio CE marking and RF Interference identifier for radio Date of manufacture Date of first calibration Use by A Eject key Probe cover installed Scan key lt i CIF key Probe cover not installed Q Single Use Timer key No Latex iF SureSigns VS4 Service Guide v Symbol Description Symbol Description Q Choking Hazard DEHP free A Consult instructions for SI oe Keep out of sun use Non Sterile Manufacturer s Name and Address Regulatory and Safety Specifications Declaration CE The SureSigns VS4 monitor is a Class IIb device and complies with the requirements of the Council 0123 Directive 93 42 EEC of 14 June 1993 concerning medical devices and carries CE marking accordingly The radio device used in the SureSigns VS4 vital signs monitors are in compliance with the essential CEO requirements and other relevant provisions of Directive 1999 5 EC Radio Equipment and Telecommunications Terminal Equipment Directive Authorized EU Representative Philips Medizin Systeme B blingen GmbH Hewlett Packard Str 2 71034 B blingen Germany Rx Only Caution
138. yboard Select or clear check Touch a check box to select or clear it boxes Scroll Touch the list and drag your finger to scroll up and down Touch the Up or Down arrows to display the next or previous page in the list You can also use the wheel to scroll and select items in the list A scroll bar to the right of the list indicates the current location in the list Touch an item to select it SureSigns VS4 Documentation SureSigns VS4 documentation includes SureSigns VS4 Installation and Configuration Guide Provides instructions for unpacking installing and connecting all hardware Includes initial testing and configuration procedures Also includes instructions for returning the monitor SureSigns VS4 Instructions for Use Provides information for day to day operation of the monitor Also includes safety information monitor specifications and a list of compatible accessories e SureSigns VS4 Quick Card Provides brief descriptions of commonly used functions e SureSigns VS4 Service Guide Provides instructions for repairing and testing the monitor Includes assembly diagrams spare parts lists and troubleshooting information e SureSigns VS4 Data Export Guide Provides detailed information about the HL7 data export feature including HL7 message syntax and procedures for exporting HL7 data from the monitor Overview SureSigns VS4 Service Guide 1 1 SureSigns VS4 Documentation e SureSigns V

Philips SureSigns VS4 Vital Signs Monitor Service Manual

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