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SERVICE MANUAL - Frank`s Hospital Workshop

1. C1 Side connector holder disassembly 1 Remove 2 screws 3 x 6 on the side connector holder 2 Separate the side connector holder from the front case assembly C2 Main board disassembly 1 Disconnect the LCD cable the inverter wire the key wire the encoder wire ECG connector wire and two temperature wires connected to the main board 2 Remove the main cable from the main board 3 Remove 11 screws 3 x 6 on the main board 4 Separate the main board from the front case assembly YM6000 Service Manual Disassembly Guide 67 P1033 P1031 Figure 19 Front case disassembly CPU module SpO module and IBP board Table 21 Part Descriptions CPU module SpO module and IBP board Part Codes Descriptions P1031 Main board P1033 CPU module M0009 SpO2 module P1072 IBP board C2 1 CPU module disassembly 1 After step C2 remove 4 screws 3 x 4 on the CPU module 2 Remove the CPU module from the main board 3 Remove 8 screws 3 x 4 to separate 4 supporters 5mm from the main board C2 2 SpO module disassembly 1 After step C2 remove 3 screws 3 x 6 on the SpOz module 2 Remove the SpO module from the main board 3 Remove 6 screws 3 x 4 to separate 3 supporters 12mm from the main board C2 3 IBP board disassembly 4 After step C2 remove 2 screws 3 x 6 on the IBP board 1 Remove the IBP board from the main board 2 Remove 2 screws 3 x 4 to separate 2 sup
2. G 89 NIBP Processing tii A A A A eh delet Rates 89 SPO Processing iniciando iens edere 91 Respiration Processing eerte erret gae bre 93 Temperature Processing nit dd 93 Invasive Blood Pressure Processing iese e E e ener nennen 94 Figures Figure I Fr nt Panel Controls and Connectors gc t ee eee ed TERR sve dct n rad eH 4 Figure 2 Rear Panel Components and Symbols eee eene nennen nennen tenens 5 Figure 3 Right Panel Components and Symbols er oie tre re d gti n dap rupta 6 Figure 4 Left Panel Components and Symbols Figure 5 Alarm Audible Test sss Figure 6 Ire Audible tst a n E e ere ERR ERR VID ten Figure 7 Backup RAM ear ente Tas tentes terni ep rog ee Pepe Erde e e eror pecus Figure 8 Pressure Sensor Accuracy Test Figure 9 Air Leakage Test Figure 10 The access of Service Menu via Set up menu nnn nnne Figure 11 The access of Service Menu via Set up menu nennen tenens Figure 12 Service Menu secs pana Figure 13 Firmware downloading display Figure 14 Firmware downloading display Figure 15 Disassembly Sequence Flow Chart Figure 16 Battery and Handle Disassembly Figure 17 Monitor Disassembly esses Figure 18 Front Case Disassembly Side connector holder and Main board Figure 19 Front case disassembly CPU module SpO2 module and IBP board Figure 20 Front Case Disassembly Bra
3. WARNING Before attempting to open or disassemble the monitor disconnect the power cord from the monitor WARNING Chemicals from a broken LCD display panel are toxic when ingested Use caution when handling a monitor with a broken display panel WARNING The use of accessories transducers and cables other than those specified may result in increased emission and or decreased immunity of the monitor WARNING Do not silence the monitor audible alarm or decrease its volume if patient safety could be compromised WARNING During the safety test AC main voltage will be present on the applied part terminals Exercise caution to avoid electrical shock hazard gt PrP beee po WARNING Do not place the monitor into operation after repair or maintenance has been performed until all Performance Tests and Safety Tests listed in Performance Verification section of this service manual have been performed Failure to perform all tests could result in erroneous monitor readings WARNING High voltage is generated by the LCD backlight driver Exercise caution when operating monitor with covers open gt YM6000 Service Manual 2 Introduction Cautions 9 99 2 Cautions are identified by the CAUTION symbol shown above Caution statements identify conditions or practices that could result in damage to the equipment or other property CAUTION Observe ESD electrostatic discharge precautions w
4. 5 Rotate the trim knob to highlight the top of the digits Press the trim knob to enter Pass code 6 Rotate the trim knob until 6 appears then press the trim knob 7 Repeat step 5 6 to enter all the access code 6 0 6 SERVICE MENU Save Settings On Power Off 5 Audible Alarm Silence Period Audible Alarm Suspend P riod A Audible Alarm Type HEC 0601 AC Line Frequency Unit Configuration Language Setting Date Format Year Alarm Reminder Tone System Setting System Test Demo Mode Off EtCO2 Calibration Done Figure 12 Service Menu 8 The Service Menu will now be present The available Service Menu items are explained in Figure 6 and Table 9 Make changes to these menu items as desired by rotating and pressing the trim knob 9 Select Done The monitor will present the message All changes made to the power up defaults will be in effect the next time the monitor is turned on Before turned off 10 Turn off the monitor and then turn on the monitor again Note The monitor must be powered off upon selecting Done to save any changes into the monitor and then the changes made to the Power on defaults will be in effect next time the monitor is powered up YM6000 Service Manual Service Menu and Factory Default Settings 37 Table 9 Service Menu Level 1 Menu Level 2 Menu Level 3 Menu Saved setting on Power off Custom Back Up Default
5. Audible Alarm Silence Period 60 60 90 120 sec Audible Alarm Suspend Period Off 10 20 30 60 min Indefinite Audible Alarm Type GN924 IEC60601 1 8 AC Line Frequency 50Hz 60Hz Unit Configuration NIBP mmHg kPa IBP mmHg kPa CO mmHg kPa Temperature C F Language Setting et 01 Korean HX Chinese English Francais French Deutsch German Italiano Italian H7K88 Japanese Portugu s Portuguese Espa ol Spanish Date Format Year Month Day Month Day Year Day Month Year Alarm Reminder Tone Off 3 10 min System Setting Monitor On Time Recorder On Time Battery Deep Discharges System Software Version Module Version Print value of configuration Tone Set Detail System Test LCD Test Alarm Audible Test Tone Audible Test Backup RAM Clear NIBP Test Pressure Sensor Accuracy Test Air Leakage Test Inflation Speed Test Deflations Speed Test Demo Mode On Off EtCO Calibration Zero Calibration Calibration Done The monitor will be powered off upon selecting Done then any changes in the service menu will be in effect next time the unit is powered up Saved setting on Power off If the save settings on power off is set to Custom the monitor does not save the settings when the monitor is power off Therefore the first settings when the monitor is powered up become the power up defaults in the next power on cyc
6. Print button Alarm silence suspension button Trend button NIBP start stop button Return button Trim knob ECG connector SpC2 connector NIBP connector Temperature channel 1 Temperature channel 2 CO connector option IBP 1 connector option IBP 2 connector option Figure 1 Front Panel Controls and Connectors YM6000 Service Manual Introduction 5 Rear Panel Components Air ventilation 5 Battery cover Equipotential terminal 6 Thermal Printer option Ac power connector 7 Handle Speaker BOO Re Figure 2 Rear Panel Components and Symbols YM6000 Service Manual 6 Introduction Right Panel Components A J I 1 LAN connector 2 RS 232 interface connector Figure 3 Right Panel Components and Symbols YM6000 Service Manual Left Panel Components fa 7 Jes Jes y f 1 p h p 2 y ni o gt NS n Y i f Qi SN 1 Thermal printer option 2 Battery cover Figure 4 Left Panel Components and Symbols YM6000 Service Manual Introduction 7 8 Introduction This page is intentionally left blank YM6000 Service Manual Routine Maintenance A Cleaning WARNING Do not spray or pour any liquid on the monitor or its accessories Do not immerse the monitor or its accessories in liquid or clean with caustic or abrasive cleaners The monitor may be surface cleaned by using a soft cloth dampene
7. functional saturation fractional saturation x 100 100 Yocarboxyhemoglobin omethemoglobin SpO Accuracy The saturation SpO accuracy specification and or pulse rate PR performance were analyzed by comparative oximetry performance COPS tests between YM6000 SpO module and MP506 module with the same version of the oximetry algorithm from Nellcor This was to demonstrate that the performance of YM6000 SpO module was equivalent to that of MP506 which had been validated during both standard motion combined motion and cold induced peripheral vasoconstriction low perfusion conditions by direct comparison to measurements of arterial oxygen saturation SpO obtained from arterial blood samples analyzed with Instrumentation Laboratory IL CO Oximeters under Nellcor s clinical protocol Invasive Controlled Hypoxia Studies System Processing Description 93 Respiration Processing The respiration monitoring is designed to use the variation of this thoracic impedance The chest contains various materials ranging from bone to air Each of these materials has different electrical properties and is located in a different portion of the chest The materials of the chest vary in electrical resistivity the amount of electrical resistance between opposite faces of a cube of that material which is an important determinant of electrical impedance in the body Two of the major components of the chest blood and air are at opposite ends
8. 0 3 kPa 10 7 kPa 10 7 kPa 10 7 kPa steps 10 5 10 5 10 5 0 3 to 10 5 Adult Neo 0 3 steps EtCO Low Alarm Limits E s mmHg Adult Neo 2 mmHg Ganie S 0 mmblg 0 to 10 4 kPa Adult Neo 0 3 kPa steps pe a pda a 0 to 10 3 Adult Neo 0 3 steps InCO High Alarm Limits 2 to 20 mmHg Adult Neo 2 mmHg steps 20mmHg 20mmHg 20mmHg 0 3 to 2 7 mmHg Adult Neo 0 3 kPa 2 7 kPa 2 7 kPa 2 7 kPa steps 2 6 2 6 96 2 6 0 3 to 2 6 Adult Neo 0 3 steps InCO Low Alarm Limits zu 5 mmHg Adult Neo 2 mmHg ning 0 mmHg 0 mmHg 0 to 2 4 kPa Adult Neo 0 3 kPa steps S pu qe 0 to 2 3 Adult Neo 0 3 steps Temperature TEMP1 High Alarm Limits 15 1 to 45 0 C 0 1 C steps 39 0 C 39 0 C 39 0 C 59 1 to 113 0 F 0 1 F steps 102 2 F 102 2 F 102 2 F TEMPI Low Alarm Limits 15 0 to 44 9 C 0 1 C steps 36 0 C 36 0 C 36 0 C 59 0 to 112 8 F 0 1 F steps 96 8 F 96 8 F 96 8 F TEMP2 High Alarm Limits 15 1 to 45 0 C 0 1 C steps 39 0 C 39 0 C 39 0 C 59 1 to 113 0 F 0 1 F steps 102 2 F 102 2 F 102 2 F YM6000 Service Manual Service Menu and Factory Default Settings 43 Factory Defaults Parameters Ranges Selections Adult Pte NEAR TEMP2 Low Alarm Limits 15 0 to 44 9 C 0 1 C steps 36 0 C 36 0 C 36 0 C
9. Cuff pressure exceeded more than 300mmHg during measurement There is a possibility that the patient moved during measurement or strong pressure from outside might be YM6000 Service Manual Troubleshooting 59 Alarm Messages Check Items added to cuffs Considering above measure again NIBP Retry Check cuff Patient to be measured and cuff size used do not match This hose and mode C21 error may occur if the blood pressure measurement mode setting is incorrect if the cuff has been applied tightly in the adult mode loosely in the neonatal mode or if the arm has been bent during measurement Check the measurement mode setting and application of the cuff and measure again label No zero reading Perform the pressure zero setting SpO Motion artifact SpO could not be measured due to signal noise thought to be due to body movement Ensure that the patient remains at rest and measure again SYSTEM No recorder In case the recorder door is open close the door paper In case the recorder paper is empty insert new paper and close the door SYSTEM Abnormally The monitor has been abnormally shut down last time shut down last time When power is lost for less than 30 seconds the monitor will preserve the current settings and trend data restored automatically before the power loss However if the power loss is over 30 seconds the monitor will be back to the previous user settings or the factory de
10. against the artery can cause small pressure pulses in the cuff baseline pressure The monitor lowers cuff pressure at a controlled rate As the cuff pressure goes down blood starts to flow through the artery The increasing blood flow causes the amplitude of the pressure pulses in the cuff to increase These pressure pulses continue to increase in amplitude with decreasing cuff pressure until they reach a maximum amplitude at which point they begin to decrease with decreasing cuff pressure The cuff pressure at which the pulse amplitude is the greatest is known as Mean Arterial Pressure MAP The manner in which the pulse amplitudes vary is often referred to as the pulse envelope The envelope is an imaginary line that connects the peak of each pressure pulse and forms an outline The shape of the envelope is observed by the monitor using a variety of techniques to determine the diastolic and systolic blood pressure 90 System Processing Description A MAP e Oscillometric Response Distole Pressure Pulses Systole Systole MAP Distoe L ds Systole i i MAP e Cuff Pressure Distole TIME Overall Accuracy Discussion Overall system accuracy shall be determined by considering various influences of the pressure sensor accuracy motion artifacts other artifact created by pressure valve technical errors of electrical components and the origin error of oscillometric method The
11. range error Try again the gas calibration CAPNO Zero calibration signal unstable error Try again the gas calibration CAPNO High calibration range error CAPNO High calibration SYSTEM Low battery Try again the gas calibration Try again the gas calibration signal unstable error Plug the AC power cord to the AC main to recharge the battery NIBP Retry Check cuff Patient C12 Blood pressure could not be measured even after cuff pressure decreased It is possibly because pulse was not strong enough for measurement or because change of pulse amplitude could not be obtained Check whether cuffs are not wrapped around thick clothing After wrapping cuffs around properly measure again When the error occurs in the initial measurement in continuous mode the second measurement will start unless Stop button is pressed NIBP Retry Cuff excessive artifact C13 Measurement failed because of patient movement during measurement Tell the patient to stay still then measure again When it occurs in the initial measurement in continuous mode the second measurement will start unless Stop button is pressed NIBP Retry Cuff insufficient pressure C14 Measurement failed because of insufficient pressurizing There is a possibility that standard cuff pressure might be detected wrongly due to noise patient movement or external vibrations Check whether cuffs are not wrapped around thick clothi
12. 1 sec 3 beeps in 15 sec Low priority 488 Hz 488 Hz 1 beeps in 5 sec 1 beeps in 30 sec AC Line Frequency The monitor supports AC line frequency both 50 Hz and 60 Hz Select either 50Hz or 60 Hz for an appropriate AC line Unit Configuration The unit configuration of each parameter can be set in the service menu Language Setting The selected language will be used for all the text shown on the display and it will be effective the next time the monitor is powered up Date Format The date format is selectable Year Month Day Month Day Year Day Month Year Alarm Reminder Tone The monitor generates the alarm reminder tone at the preset interval to remind the user that the audible alarm is suspended The interval can be set to Off 3 or 10 minutes via the service menu If Off is selected the reminder tone will be disabled YM6000 Service Manual Service Menu and Factory Default Settings 39 System Setting This menu displays the information for system settings Monitor On Time This menu displays the number of hours minutes and seconds rounded to the nearest hour that the monitor has been operational The term that the monitor is in the service mode is not included Recorder On Time This menu displays the number of hours minutes and seconds rounded to the nearest hour that the Recorder has been operational Battery Deep Discharges This menu displays the number of deep discharge cycles seen by the battery The monit
13. Cancel to finish the test 4 Rotate the trim knob to select Key Beep The key beep sounds intermittently as the level goes up gradually When the tone reaches the maximum level 7 it returns to the minimum 1 5 After finishing the test press the trim knob to select Cancel The menu box will disappear Pass Fail Results When the HR PR tone changes to seven steps and the pitch changes to three steps the HR PR tone is normally set When the key beep changes to seven steps the key beep is normally set When the completion sound is heard it is normally set YM6000 Service Manual 13 14 Performance Verification Backup RAM Clear When Backup RAM Clear is set to Yes all settings of the monitor including the service settings return to the factory defaults from the next cycle SERVICE MENU Save Settings On Power Off Back Up LCD Test Audible Alarm Silence Period 120 sec Alarm Audible Test Audible Alarm Suspend Period Indefinit Tone Audible Test Audible Alarm Type 1EC60601 1 8 AC Line Frequency 60Hz Unit Configuration Language Setting English Date Format Year Mo Alarm Reminder Tone 3 System Setting System Test NIBP Test Yes Demo Mode Off EtCO2 Calibration Done Return Figure 7 Backup RAM Clear Note Set the monitor to appropriate AC line frequency 50Hz or 60Hz again after Back Up RAM clearance YM6000 Service Manual Performance Verification 15 Performance Test
14. Download E P 45 TEOUD LESMOOUIG 22 ES 47 General entristece 47 Howto Use This Section tiere eee eet ies 47 Who Should Perform Repairs eterni enero rede 47 Replacement Level Supported iii iin inate ce ae ra thee 47 Troubleshooting Guilde eeece eee a 48 Disassembly G ide eiit TAO 61 Generali dni ebanista racer S 61 Replacement Level Supported iii rated 63 Prior to Disassembly acte ener Ie a RATE Roe E A E 63 Fuse Replacement cn iii sete ty aces des heck ean nien deemed et diae diver eie en e icles ORME eere edd 63 Battery Replacement eee rias 63 Monitor Disassembl ysis eese heme eno ad 64 Front Case Disassembly C ntt tette mice e a ac reads 66 Reat Case Disassembly D i2 erp oe se EA et rea E peace 72 A E 77 ON 77 Obtaining Replacement Parts rad 77 Packing for O NN 81 General Instr ctions uc atoai egent o te En ama Pa nte ade dances 81 Returning the YM6000 monitor e teet te ire reet cp n e EES tii dais 81 R packing In Original Cartoni eoe tete Sete rU eer e HERE tene 81 Repacking Iri a Different Carton e geehrte a 82 System Processing Description eee eese esee eese tetto tata than neto tn tainen ene tots tn snas ent REENT Enr Sas 83 YM6000 Service Manual ii Contents System ONVervie Wisconsin 83 System Block DIAM one UI EROR ein Rate ia RAR eR a a EE 83 ECG Processing e omitir
15. HR PR area will flash indicating pulse rate is above default high alarm limit medium priority alarm d Press PULSE RATE selection button on the SpO simulator The PULSE RATE 60 LED will light e The monitor will decrease to 60 and stabilize at 60bpm The test pass criteria is 57 to 63 bpm f The monitor will display 90 76 SpO 60 bpm no alarm low level modulation 8 Test 3 Modulation Level a Press MODULATION selection button on the SpO simulator The MODULATION LED on the SpO simulator will light b The monitor s waveform area will spike and stabilizes at a higher modulation level c The monitor will display 90 SpO YM6000 Service Manual Performance Verification 27 60 bpm no alarm d Disconnect all equipments and turn off the monitor Respiration Operation Press Power button to turn on the monitor Connect ECG leads to an appropriate jack on Respiration simulator Connect ECG leads to Mediana ECG cable Connect Mediana ECG cable to ECG connector on the monitor s front panel Set ECG simulator for the respiration rate of 120 breaths per minute After the normal power up sequence verify the following reactions The monitor displays respiration rate of 120 3 breaths per minute b Audible alarm will sound Resp Upper limit violated message will display and the Respiration numerical area will flash indicating a respiration rate is above default high
16. Limits adult pediatric 60mmHg 50mmHg 30 mmHg 20 to 255 mmHg 2 7 to 34 0 kPa 8 0 kPa 6 7 kPa 4 0 kPa neonatal 30 to 105 mmHg 4 0 to 14 0 kPa 5 mmHg 0 7kPa steps IBP IBP Sweep Speed 12 5 25 0 50 0 mm s 25 0 mm s 25 0 mm s 25 0 mm s Pressure Zero Setting Yes No No No No P1 Label P1 ABP ABP ABP ABP P1 Scale 0 50 0 100 0 200 0 300 AUTO AUTO AUTO AUTO IBP 1 SYS High Alarm Limits adult pediatric neonatal 160 mmHg 120 mmHg 90 mmHg 45 to 300 mmHg 6 to 40 kPa 21 3 kPa 16 0 kPa 12 0 kPa 5 mmHg 0 7kPa steps IBP 1 SYS Low Alarm Limits adult pediatric neonatal 90 mmHg 70mmHg 40 mmHg 50 to 295mmHg 6 7 to 39 3 kPa 12 0 kPa 9 3 kPa 5 3 kPa 5 mmHg 0 7kPa steps IBP 1 DIA High Alarm Limits adult pediatric neonatal 90 mmHg 70mmHg 60 mmHg 45 to 300 mmHg 6 to 40 kPa 12 0 kPa 9 3 kPa 8 0 kPa 5 mmHg 0 7kPa steps IBP 1 DIA Low Alarm Limits adult pediatric neonatal 50mmHg 40mmHg 20 mmHg 50 to 295 mmHg 6 7 to 39 3 kPa 6 7 kPa 5 3 kPa 2 7 kPa 5 mmHg 0 7kPa steps IBP 1 MEAN High Alarm adult pediatric neonatal 110 mmHg 90 mmHg 70 mmHg Limits 45 to 300 mmHg 6 to 40 kPa 14 7 kPa 120 kPa 9 3 kPa 5 mmHg 0 7kPa steps IBP 1 MEAN Low Alarm adult pediatric neonatal 60mmHg 50mmHg 30 mmHg Limits 50 to 295 mmHg 6 7 to 39 3 kPa 8 0 kPa 6 7 kPa 4 0 kPa 5 mmHg 0 7kPa steps P2 Label P2 CVP P
17. a s ECG Size mm mV Auto 1 25 17 2 5 5 0 7 5 10 0 15 0 20 0 10 0 10 0 10 0 ECG Filter Mode Monitor Low Extend Filter Monitor Monitor Monitor ECG Pacer Detect On Off Off Off Off ECG Sweep Speed 12 5 25 0 50 0 mm s 25 0 mm s 25 0 mm s 25 0 mm s HR PR Source Auto HR PR Auto Auto Auto HR PR High Alarm Limits 25 to 250 BPM 5 BPM steps 120 BPM 160 BPM 200 BPM HR PR Low Alarm Limits 20 to 245 BPM 5 BPM steps 50 BPM 75 BPM 100 BPM SpO C Lock On Off Off Off Off SpO Sweep Speed 12 5 25 0 50 0 mm s 25 0 mm s 25 0 mm s 25 0 mm s SpO High Alarm Limits 21 to 100 1 steps 100 96 100 95 96 SpO2 Low Alarm Limits 20 to 99 1 steps 90 90 80 Respiration Apnea Time Setting Off 20 30 40 60 Step 60 Step 90 30 sec 30 sec 30 sec Respiration Apnea Off AUTO awRR imRR AUTO AUTO AUTO Respiration Size mm mV Level 1 2 3 4 5 6 7 8 Level 6 Level 6 Level 6 Respiration Sweep Speed 6 25 12 5 25 0 mm s 12 5 mm s 12 5 mm s 12 5 mm s RESP High Alarm Limits 4 to 150 BPM 1 BPM steps 30 BPM 30 BPM 100 BPM RESP Low Alarm Limits 3 to 149 BPM 1 BPM steps 8 BPM 8 BPM 30 BPM Capnography CAPNO Sweep Speed 6 25 12 5 25 0 mm s 12 5 mm s 12 5 mm s 12 5 mm s Scale 0 40 0 60 0 80 AUTO AUTO AUTO AUTO Capno Measurement On Off On On On CO Gas On Off Off Off Off N2O Gas On Off Off Off Off EtCO High Alarm Limits 2 to 80 mmHg Adult Neo 2 mmHg steps 80mmHg 80mmHg 80mmHg 0 3 to 10 7 kPa Adult Neo
18. alarm limits medium priority alarm Decrease the respiration rate setting on Respiration simulator to 20 breaths per minute a Verify that the monitor displays the respiration rate of 20 3 breaths per minute Note The accuracy of Respiration rate measurements is 3 breaths per minute In the procedure below add the tolerance of the simulator to the acceptable range of readings Temperature Operation 1 Q Press Power button to turn on the monitor 2 Connect the temperature probe supplied with the temperature simulator to an appropriate jack on temperature simulator Connect the temperature probe to the temperature connector on the monitor s front panel Set Temperature simulator as follows Temperature 37 C 98 0 F Probe type YSI 400 series Temperature Probes Probe accuracy 0 1 C After the normal power up sequence verify that the temperature reads 37 C 0 1 C 98 6 F 0 2 F if Fahrenheit is selected for the temperature units Turn off the monitor Note The accuracy of temperature measurements is 0 1 C 0 2 F in the range of 25 C to 45 C and 0 2 C in the range of 15 C to less than 25 C In the procedure above add the tolerance of the simulator and the probe to the acceptable range of readings YM6000 Service Manual 28 Performance Verification IBP Operation g NOD Connect the monitor to an AC power source Turn on the monitor by pressin
19. an arteriolar bed and measuring changes in light absorption during the pulsatile cycle Red and infrared low voltage light emitting diodes LED in the oximetry SpO sensor serve as light sources a photo diode serves as the photo detector Because oxyhemoglobin and deoxyhemoglobin differ in light absorption the amount of red and infrared light absorbed by blood is related to hemoglobin oxygen saturation 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 vascular bed and blood volume and light absorption increase During diastole blood volume and light absorption reach their lowest point The monitor bases its SpO measurements on the difference between maximum and minimum absorption measurements at systole and diastole By doing so it focuses on light absorption by pulsatile arterial blood eliminating the effects of nonpulsatile absorbers such as tissue bone and venous blood 92 System Processing Description Automatic Calibration Because light absorption by hemoglobin is wavelength dependent and because the mean wavelength of LEDs varies an oximeter must know the mean wavelength of the SpO sensors red LED to accurately measure SpO During monitoring the instrument s software selects coefficients that are appropriate for the wavelength of that individual sensor s red LED these coefficients are then used to determin
20. applicable YM6000 Service Manual 82 Trends Repacking In a Different Carton If the original carton is not available use the following procedure to pack the monitor Hua Place the monitor in a plastic bag N Locate a corrugated cardboard shipping carton with at least 200 pounds per square inch psi bursting strength C2 Fill the bottom of the carton with at least 2 inches of packing material IN Place the bagged unit on the layer of packing material and fill the box completely with packing material 5 Seal the carton with packing tape 6 Label the carton with the shipping address return address and RGA number if applicable YM6000 Service Manual System Processing Description System Overview The YM6000 monitor is a multi function monitor for use on adult pediatric and neonatal patients ECG heart rate non invasive blood pressures arterial oxygen saturation pulse rate respiration rate and temperature In addition to monitoring and displaying the status of these physiological parameters the instrument performs various microprocessor programmed analytical functions Creating both visual and audible alarm signals when settable limits are violated Creating and displaying warning error messages when conditions are detected that would degrade or prevent valid measurements Creating and displaying graphical or tabular trend data Providing input to an optional recorder f
21. heart activity carried by these signals varies with the placing of the electrodes The technique used in ECG senses the varying potential difference between two points at the skin surface which respond to the chemical actions of the muscular activity of the heart Three electrodes are attached to the patient s right arm RA left arm LA and left leg LL The varying potentials at these locations are cable connected to the ECG circuit inputs where they are conditioned and the difference of potential between two selected leads is digitized before transmitting through opto isolators to the processor The processor installed algorithms operate on the signals to develop drivers for the graphic display and to compute the heart rate in beats per minute bpm In addition to the acquisition of the QRS waveform complex the ECG input and subsequent signal processing computing circuitry perform a number of other functions e They detect a lead off condition if one of the electrode connections is disrupted e They detect the presence of pacemaker signals within the ORS waveform complex of the ECG NIBP Processing Overview The oscillometric technique does not use Korotkoff sounds to determine blood pressure The oscillometric technique monitors the changes in cuff pressure caused by the flow of blood through the artery The monitor inflates the cuff to a pressure that occludes the artery Even when the artery is occluded the pumping of the heart
22. is completed the monitor is set to the factory default YM6000 Service Manual Troubleshooting General This section provides information that can be helpful in troubleshooting the YM6000 monitor How to Use This Section Use this section in conjunction with Performance Verification section and Spare Parts section To remove and replace a part suspected a trouble follow the instructions in Disassembly Guide section Who Should Perform Repairs Only qualified service personnel should open the monitor housing remove and replace components or make adjustments in accordance with this service manual If your medical facility does not have qualified service personnel contact Mediana Technical Service Department Replacement Level Supported The replacement level supported for this product is to the printed circuit board PCB assembly and major subassembly level Once you isolate a suspected PCB assembly follow the procedures in Disassembly Guide section to replace the PCB assembly with a known good PCB assembly Check to see if the trouble symptom disappears and that the monitor passes all performance tests If the trouble symptom persists swap back the replacement PCB assembly with the suspected malfunctioning PCB assembly the original PCB assembly that was installed when you started troubleshooting and continue troubleshooting as directed in this section Obtaining Replacement Parts Mediana Technical Service Department pr
23. origin error of oscillometric comes from the basic theory of that the MAP is determined by the pulse Therefore there might be an error of the time between two pulses In another words the greatest amplitude point of pulses could not represent the MAP point exactly On clinical trial perspective overall system accuracy is not easy to be determined The clinical trial test protocols have been tried and have been described in many treatises and international standards So there are many methods to determine the overall system accuracy of Automated Sphygmomanometer using the oscillometric method But there are no absolute test protocols to determine the overall system accuracy of the Automated Sphygmomanometer using oscillometric method Normally the Gold standards of Blood pressure for the reference are the intra arterial pressure and the auscultatory method The popular standard for the overall system accuracy is AAMI SP 10 2002 A1 2003 Electronic or automated sphygmomanometers The main test conditions are as follow A Data comparing the Intra arterial or the auscultatory by the clinical experts with the automated sphygmomanometer B For data collection and the data analysis Bland Altman Plot is used C On the systolic diastolic and MAP the Deltas of all measurements shall be met under 5mmHg of mean difference MD and 8mmHg of standard deviation SD Delta Intra arterial or Auscultatory Automated sphygmomanomete
24. section Follow the reverse sequence of the disassembly procedures for reassembly The monitor can be disassembled down to all major component parts including PCB assemblies acquisition modules the power supply assembly amp the LCD assembly battery cables amp wires cases printer The following tools are required small Phillips head screwdriver medium Phillips head screwdriver needle nose pliers YM6000 Service Manual 62 Disassembly Guide YM6000 C D A Battery Front Case Assembly Rear Case Assembly B Handle C1 Side Connector Holder D1 NIBP Module Assembly C2 Main Board D2 SMPS Case C2 1 D2 1 CPU Module SMPS Case A B C2 2 D2 2 SpO Module SMPS C2 3 D2 3 IBP Board NIBP Module C3 Bracket D3 Speaker C3 1 LCD D4 Printer Module Assembly C4 Key Board D5 AC Inlet C5 Knob C6 LCD Window C7 Encorder C8 LCD Guide Alarm Power LED C9 Wondow C10 ECG Connector C11 Temperature Connectors C12 Water Trap Receiver C13 IBP Conector C14 Rubber Foot Figure 15 Disassembly Sequence Flow Chart YM6000 Service Manual Disassembly Guide 63 Replacement Level Supporte
25. test 2 The level of the alarm tone will appear on the screen as the alarm tone sounds Then the level goes up gradually When the tone reaches the maximum level 8 it returns to the minimum level 1 3 After finishing the test press the trim knob to select Cancel The menu box will disappear Pass Fail Results When the alarm tone changes to eight steps the alarm tone is in a normal state YM6000 Service Manual Tone Audible Test Performance Verification This tests HR PR tones key beeps and completion sounds SERVICE MENU LCD Test Alarm Audible Test Tone Audible Test Backup RAM Clear Save Settings On Power Off Bz Audible Alarm Silence Period Audible Alarm Suspend Period Audible Alarm Type IE AC Line Frequency 60 Unit Configuration Language Setting Date Format Year ay Alarm Reminder Tone 3 min System Setting Return System Test A HR PR Tone Cancel NIBP Test High Demo Mode Off EtCO2 Calibration Med Done Low Key Beep Cancel Completion Sound Cancel Return Figure 6 Tone Audible Test 1 Select Tone Audible Test in the system test 2 Rotate the trim knob to select HR PR Tone The HR PR tone sounds intermittently as the level goes up gradually When the tone reaches the maximum level 7 it returns to the minimum 1 When the tone returns to the minimum the pitch will change automatically There are three pitches High Med and Low 3 Press
26. the IBP connector form the front case 2 Remove 2 screws 3 x 8 on the IBP connector 5 pin 3 Remove the IBP connector from the front case C14 Rubber foot disassembly 1 Remove two rubber foots from the front case YM6000 Service Manual 72 Disassembly Guide Rear Case Disassembly D This section describes the items that may be removed on the rear case assembly EX M0013 W0155 Figure 23 Rear case disassembly EtCO module Table 25 Part Descriptions EtCO module Part Codes Descriptions M0013 EtCO module W0155 EtCO wire 4 pin D1 EtCO module disassembly 1 Remove the EtCO wire from the EtCO module and the SMPS 2 Remove 4 screws 3 x 6 on the EtCO module 3 Remove the EtCOz module from the SMPS YM6000 Service Manual Disassembly Guide 73 Figure 24 Rear case disassembly Speaker Table 26 Part Descriptions Speaker Part Codes Descriptions E9008 Speaker D2 SMPS case disassembly 1 Remove 4 screws 3 x 6 on the SMPS case A 2 Disconnect the AC inlet wire and the printer wire connected to the SMPS 3 Separate the SMPS case from the rear case assembly D3 Speaker disassembly 1 Disconnect the speaker wire connected to the SMPS 2 Remove 2 tapping screws 3 x 8 on the speaker 3 Remove the speaker from the SMPS case A YM6000 Service Manual 74 Disassembly Guide M2012 T0102 T4127 M0015 W0
27. 165 Figure 25 Rear case disassembly SMPS case SMPS and NIBP module Table 27 Part Descriptions SMPS case SMPS and NIBP module Part Codes Descriptions Qty T0102 SMPS case A 1 T0103 SMPS case B 1 M2012 SMPS 1 W0113 SMPS wire 1 T4127 Ground terminal 1 M0015 NIBP module 1 W0165 NIBP cable 1 D2 1 SMPS case A B disassembly 1 After step D2 remove 3 screws 3 x 8 on the SMPS case B 2 Remove the SMPS case B from the SMPS case A D2 2 SMPS disassembly 1 After step D2 remove 7 screws 3 x 6 on the SMPS 2 Remove the SMPS from the SMPS case A 3 Remove the SMPS wire from the SMPS 4 Remove the ground terminal from the SMPS D2 3 NIBP module disassembly 4 After D2 remove the remove 4 screws 3 x 6 on the NIBP module 5 Remove the NIBP module from the SMPS case A YM6000 Service Manual Disassembly Guide 75 T0101 X4104 W0118 Figure 26 Rear case disassembly Printer module and AC inlet Table 28 Part Descriptions Printer module and AC inlet Part Codes Descriptions Oty T0101 Rear case 1 X4104 Printer module 1 W0118 Printer wire 1 W0124 AC inlet 1 D4 Printer module disassembly 1 Remove the printer wire from the printer module 2 Open the printer door to separate the printer module from the rear case 3 Remove 3 screws 3 x 6 on the printer module 4 Separate the printer module from the rear case D5 AC inlet dis
28. 18 W0126 Encoder wire 19 P1031 Main board 20 P1033 CPU board 21 T0115 LCD window 22 X1010 Temperature board assembly 3 pin 23 X1011 Temperature board assembly 4 pin 24 E4111 ECG connector 6 pin 25 X4104 Printer module assembly 26 W0118 Printer wire 6 pin 27 A0062 Printer paper 28 T0102 SMPS case A 29 T0103 SMPS case B 30 M2012 SMPS 31 E9008 Speaker 32 T0101 Rear case 33 W0124 AC inlet wire 34 W0165 NIBP cable 16 pin 35 M0015 NIBP module 36 M0009 SpO Module 37 M0013 EtCO module 38 P1072 IBP board 39 T0098 Alarm LED window 40 T0097 LCD guide 41 T0099 Power LED window YM6000 Service Manual 80 Spare Parts Item Part Code Description 42 T1006 Rubber foot 43 T4127 Ground terminal 44 T4112 Bracket 45 W0153 IBP wire 4 pin 46 W0154 IBP wire 5 pin 47 W0155 EtCO wire 4 pin 48 E4118 Water trap receiver assembly 49 W0115 Key wire 12 pin 50 T0111 Printer cover Note You can use the assembly kit SS8000 0 supplied by the manufacturer for screws washers and supporters YM6000 Service Manual Packing for Shipment General Instructions To ship the monitor for any reason follow the instructions in this section Pack the monitor carefully Failure to follow the instructions in this section may result in loss or damage not covered by the Mediana warranty If the original shipping carton is not available use another suitable carton North American customers may
29. 2 IBP Unit Block Diagram Figure 43 Analog Control Unit Block Diagram Fig re 44 Oxyhemoslobin Dissociation CUPU erriei petere e t e n rp ee irre dd dE dne Tables Table 1 Required Equipment 5i o ie Table 2 Parameter Alarm Limit Factory Defaults 2 uade dene te eer eene Redde etie ne Tuble 3 Earth Leakage Current Values a e ee apnd eben reri rie deeds Table 4 Enclosure Leakage Current Table 5 Patient Leakage Current Values eeeee Table 6 Patient Leakage Current Values Mains Voltage on Applied Part Table 7 Test Lead Combinations see eene Table 8 Allowable Leakage Current Tabl 9 5eroice Menit a a OE Brat ete iei e E EH A TODAS YM6000 Service Manual Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Table 20 Table 21 Table 22 Table 23 Table 24 Table 25 Table 26 Table 27 Table 28 Table 29 Contents Audible Alani CHAVACLETISECS iii tore Ie taro Re a Op e n ER Ee ets RIIA a M M NIBP Test sees Factory Default Settings Required Equipments for Firmware download Completion codes tei ete Firmware Downloading Error Codes Alarm Messages and Check Items Part Descriptions Battery and Handle Part Descriptions Mormon us tene occ Part Descriptions Side
30. 59 0 to 112 8 F 0 1 F steps 96 8 F 96 8 F 96 8 F Others Patient Mode Adult Pediatric Neonatal Adult Record Speed 25 0 mm s 50 0 mm s 25 0 mm s Wave Record Time 20 sec Continuous 10sec delay 20 sec Wave Record Select PESGI ECO FLELEL RESE TBE RE ECG1 PLETH or CAPNO Record on Alarm On Off Off Auto List Record On Off Off Alarm Volume 1 2 3 4 5 6 7 8 45to85dB 5 HR PR tone Volume Off 1 2 3 4 5 6 7 4 Key Beep Volume Off 1 2 3 4 5 6 7 4 Sleep Mode Off 10 20 30 min Off Main Screen 4ch wave 6ch wave Big Number Alarm Limits Display On Off On Auto Alarm On Off Off Auto Alarm Setting Upper 10 to 50 40 Auto Alarm Setting Lower 50 to 10 20 Save Time Interval Off 0 5 1 2 2 5 5 10 15 20 30 60 120 min 1 min Graphical Display On Off On Off for each parameter On Save Setting on Power Off Custom Back up Default Back up Audible Alarm Silence Period 30 60 90 120 sec 120 sec Audible Alarm Suspend Off 10 20 30 60 min Indefinite Alarm one i ce Indefinite Period Inhibition Audible Alarm Type GN924 IEC60601 1 8 GN924 AC Line Frequency 50 60 Hz 60 Hz NIBP Unit mmHg kPa mmHg IBP Unit mmHg kPa mmHg CO Unit mmHg kPa mmHg Temperature Unit C F C Date Format year month day month day year year month day day month year Alarm Reminder Tone Off 3 10 min 3 min EtCO Calibration On Off Off 0 Korean FX Chinese English Fran ais French Deutsc
31. 601 1 earth leakage current The applied voltage for IEC60601 1 the voltage is 264 Volts AC 50 to 60 Hz All measurements shall be made with the power switch in both On and Off positions 1 Connect the monitor AC plug to the electrical safety analyzer as recommended by the analyzer operating instructions 2 Perform the test as recommended by analyzer operating instructions Table 3 Earth Leakage Current Values Test Condition Allowable Leakage Current microamps Normal Condition NC 500 SFC Open Supply SFC OS 1000 Normal Condition RM NCRM 500 SFC Open Supply RM SFC OSRM 1000 SFC Single Fault Condition RM Reverse Mains Lines Voltage Note Earth leakage current is measured under various conditions of the AC mains and protective earth conductor For each condition the measured leakage current must not exceed that indicated in Table 3 Enclosure Leakage Current This test is in compliance with IEC60601 1 enclosure leakage current This test is for ungrounded enclosure current measured between enclosure parts and earth The applied voltage for IEC60601 1 the applied voltage is 264 Volts AC at 50 to 60 Hz 1 Connect the monitor AC plug to the electrical safety analyzer as recommended by the analyzer operating instructions 2 Place a 200cm foil in contact with the instrument case making sure the foil is not in contact with any metal parts of the enclosure that may be grounded 3 Measure
32. 9 for Class I type CF equipment The applied voltage for IEC60601 1 the voltage is 264 volts 50 to 60 Hz Patient auxiliary current is measured between each ECG test lead and between each sensor connection for all possible connections Note Keep the patient test cable length as short as possible during the leakage test Note This test requires the same test cables for each patient connector as described in paragraph Patient Leakage Current 1 Configure the electrical safety analyzer as recommended by the electrical analyzer s operating instructions 2 Connect the monitors AC mains power cord to the electrical analyzer as recommended by the electrical analyzer s operating instructions 3 Connect the patient test lead combination in Table 7 to the appropriate input connector on the electrical analyzer 4 Turn on the monitor 5 Perform patient auxiliary current test per Table 8 as recommended by electrical analyzer s operating instructions 6 Repeat the patient auxiliary current test for each test lead combination as listed in Table 7 and measure each patient auxiliary current Table 7 Test Lead Combinations First Test Lead Second Test Lead ECG 1 LA ECG 2 LL ECG 1 LA ECG 3 RA ECG 2 LL ECG 3 RA ECG 1 LA Temperature 1 2 ECG 2 LL Temperature 1 2 ECG 3 RA Temperature 1 2 ECG 1 LA SpO ECG 2 LL SpO ECG 3 RA SpO Temperature 1 2 SpO Ta
33. AP LAP CVP CVP CVP P2 Scale 0 20 0 50 0 100 0 200 0 300 AUTO AUTO AUTO AUTO IBP 2 SYS High Alarm Limits adult pediatric neonatal 160 mmHg 120 mmHg 90 mmHg 45 to 300 mmHg 6 to 40 kPa 21 3 kPa 16 0 kPa 12 0 kPa 5 mmHg 0 7kPa steps IBP 2 SYS Low Alarm Limits adult pediatric neonatal 90mmHg 70mmHg 40 mmHg 50 to 295mmHg 6 7 to 39 3 kPa 12 0 kPa 9 3 kPa 5 3 kPa 5 mmHg 0 7kPa steps IBP 2 DIA High Alarm Limits adult pediatric neonatal 90mmHg 70mmHg 60 mmHg 45 to 300 mmHg 6 to 40 kPa 12 0 kPa 9 3 kPa 8 0 kPa 5 mmHg 0 7kPa steps IBP 2 DIA Low Alarm Limits adult pediatric neonatal 50mmHg 40mmHg_ 20 mmHg 50 to 295mmHg 6 7 to 39 3 kPa 6 7 kPa 5 3 kPa 2 7 kPa 5 mmHg 0 7kPa steps IBP 2 MEAN High Alarm adult pediatric neonatal 110 mmHg 90mmHg 70 mmHg Limits 45 to 300 mmHg 6 to 40 kPa 14 7 kPa 12 0kPa 9 3 kPa 5 mmHg 0 7kPa steps IBP 2 MEAN Low Alarm adult pediatric neonatal 60mmHg 50mmHg 30 mmHg YM6000 Service Manual 42 Service Menu and Factory Default Settings Factory Defaults Parameters Ranges Selections Adult Padiation Neonatal Limits 50 to 295mmHg 6 7 to 39 3 kPa 8 0 kPa 6 7 kPa 4 0 kPa 5 mmHg 0 7kPa steps ECG ECG Cable Select 3 Leads 5 Leads AUTO AUTO AUTO AUTO ECG Lead Select I IL III aVR aVL aVF V Chest Lead
34. Cover M6010 Battery T0104 Handle A T0105 Handle B A Battery disassembly 1 Remove 2 screws 3 x 6 fastening the battery cover on the bottom of the monitor 2 Remove the battery cover 3 Remove a battery carefully from the monitor B Handle disassembly 1 Pull the handle B out from the handle A 2 Remove 2 screws 4 x 10 on the handle A 3 Remove the handle A from the rear case YM6000 Service Manual Disassembly Guide 65 T0112 T0113 Figure 17 Monitor Disassembly Table 19 Part Descriptions Monitor Part Codes Descriptions T0112 Side cap top T0113 Side cap bottom T0114 Side cap stopper Before the steps C and D 1 Remove side caps top bottom and stopper on the monitor 2 Remove 6 screws 4 x 10 on the monitor 3 Separate the front case assembly from the rear case assembly 4 Disconnect the SMPS wire connected to the main board 5 Disconnect the main cable connected to the SMPS 6 Disconnect the NIBP hose connected to the NIBP connector YM6000 Service Manual 66 Disassembly Guide Front Case Disassembly C This section describes the items that may be removed on the front case assembly W0114 T0107 W Figure 18 Front Case Disassembly Side connector holder and Main board Table 20 Part Descriptions Side connector holder and Main board Part Codes Descriptions T0107 Side connector holder W0114 Main cable 24 pin
35. D window E4111 ECG connector 6 pin X1010 Temperature assembly 3 pin X1011 Temperature assembly 4 pin E4118 Water trap receiver assembly W0153 IBP wire 4 pin W0154 IBP wire 5 pin T1006 Rubber foot YM6000 Service Manual Disassembly Guide 71 C5 Knob disassembly 1 Pull the trim knob straight out to remove from the front case C6 LCD window disassembly 1 Remove the LCD window from the front case C7 Encoder board disassembly 1 Turn the encoder board assembly to the left to remove from the front case 2 After separate the encoder board remove the encoder wire C8 LCD guide disassembly 1 Remove 8 screws 3 x 8 on the LCD guide 2 Turn the encoder board assembly to the left to remove from the front case C9 Alarm LED window and Power LED window disassembly 1 Remove the alarm LED window form the front case 2 Remove the power LED window from the front case C10 ECG connector disassembly 1 Remove 4 tapping screws 3 x 8 on the ECG connector 2 Remove the ECG connector from the front case C11 Temperature connector disassembly 1 Remove two nuts 14mm fastening the temperature connector from the front case 2 Remove two temperature connectors from the front case C12 Water trap receiver disassembly 1 Pull the water trap receiver straight out to remove from the front case assembly C13 IBP connector disassembly 2 Remove 2 screws 3 x 8 on the IBP connector 4 pin 1 Remove
36. Diagram 88 System Processing Description IBP unit measures Invasive blood pressure waveform data DC 5V DC 3 3V Channel1 Chi Instrument Amp i n Isolation Patient Gen Amp Donc Input Filter Sable Protection Buffer AID Circuir Filter Channel 2 Photo SPI b Ch2 Instrument Amp lt coupler Gain Amp Filter Figure 42 IBP Unit Block Diagram e Analog control unit analog circuit control PIC16C74B selection of ECG channels and filter size adjustment verification of lead off ORS heart rate etc Patient Isolation DC 45V Isolation DC 5V amp Isolation DC DC gt ECG Filter Selection ECG Gain Control gt ECG Lead Off ECG Signal Saturation PIC16F74 Serial Communication q Pace Pulse Detection mi Photocoupler Respiration Gain Control gt Figure 43 Analog Control Unit Block Diagram External Interface TCP IP Network connector Serial I O a female 9 pin sub miniature D shell connector System Processing Description 89 ECG Processing The measurement of the skin surfaces electrocardiogram is based on the electrical signals on the skin surface produced as the heart muscle contracts and relaxes The signals are detected by electrodes placed on the patient body The information on
37. PC found is correct 5 Press EXIT button on PC to close YM6000_Comm_Test exe Nurse Call Test Perform the following procedure to test the Nurse Call The nurse call connector is Dsub 9 located on the monitor s right panel identified with the data interface symbol RS 232 1 Connect the negative lead of a voltmeter to pin 5 and positive lead to pin 1 of the data port connector on the right panel of the monitor Ensure that the audible alarm is not silence or turned off 2 Connect the SRC MAX simulator to the DOC 10 sensor cable 3 Connect temperature probe to temperature input port on YM6000 4 Turn on the monitor and wait for the monitor to complete POST Note The monitor should indicate a SpO alarm of 75 5 Verify an output voltage at pins 5 and 1 between 5 to 12 DC 6 Press Alarm silence suspension button With no active audible alarm the output voltage at pins 5 and 1 must be between 5 to 12 VDC This verifies the RS 232 Nurse Call function N With the instrument in an alarm condition use a digital multmeter DMM to verify that there is no continuity 1 mega ohms or greater between pins 8 and 9 and that there is continuity 60 ohms or less between pins 7 and 8 8 Press the SRC MAX simulator 65pO button to change the 765pO to 90 9 Use a DMM to verify that there is continuity between pins 8 and 9 and that there is no continuity between pins 7 and 8 This verifies the solid state Nurse Call f
38. Repeat this test for other selections 9 Test 5 Record on Alarm a Set Record on Alarm to On via Setup menu b Set Heart rate of ECG simulator to 30 bpm c Verify HR Lower limit violated alarm is activated and the parameter values and waveforms are printed out 10 Test 6 Auto List Record Set Auto List Record to On via Setup menu b Set Save Time Interval to 0 5 minutes via Tabular trend menu c Verify that the monitor automatically prints out the data after stored 8 data in the trend memory Note If there is no printer paper left or printer paper places improperly the monitor will display an informative message Perform the following procedure to test the Network The Network connector is located on the monitor s right panel identified with the Network symbol CAUTION Do not change any other settings of the test programs while performing the Network test Note Network Test is only available when YM6000 monitor is equipped with TCP IP module for Central Monitoring System CMS Otherwise this test does not need to perform Note Contact Mediana Technical Service Department for the software required 1 Connect the network line to the monitor then turn on the monitor 2 Run YM6000 Comm Test exe on PC connected the network line using the same gateway as the monitor YM6000 Service Manual Performance Verification 21 3 Press PROBE button on PC 4 Verify that the number of the monitor connections to
39. SERVICE MANUAL YM6000 Patient Monitor EU representative TECNOMED 2000 S L Valencia 25 28012 Madrid Spain Manufacturer Mediana Co Ltd Wonju Medical Industry Park 1650 1 Donghwa ri Munmak eup Wonju si Gangwon do Korea Tel 82 2 542 3375 82 33 742 5400 Fax 82 2 542 7447 82 33 742 5483 YM6000 Service Manual Revised Date 0607 Part Number Revision A7066 1 Printed in Korea Copyright O 2006 2007 Mediana Co Ltd All rights reserved Notice This document contains proprietary information that is protected by copyright All Rights Reserved Reproduction adaptation or translation without prior written permission is prohibited except as allowed under the copyright laws Warranty The information contained in this document is subject to change without notice Mediana 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 Mediana 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 Revision History The documentation part number and revision number indicate its current edition The revision number changes when a new edition is printed in accordance with the revision history of the documentation Minor corrections and updates which are incorporated at reprint do not cause the revision num
40. a 18 7 21 3 24 0 26 7 29 3 kPa neonatal 80 100 120 140mmHg 13 3 16 0 17 3 18 7 kPa BP On Alarm On Off Off Off Off NIBP Interval Off Cont 1 2 2 5 3 5 10 15 20 30 45 Off Off Off 60 90 120 180 minutes NIBP SYS High Alarm Limits adult pediatric 160mmHg 120 mmHg 90 mmHg 35 to 270 mmHg 4 7 to 36 0 kPa 21 3 kPa 160 kPa 12 0 kPa neonatal 45 to 130 mmHg 6 0 to 17 3 kPa 5 mmHg 0 7kPa steps NIBP SYS Low Alarm Limits adult pediatric 90mmHg 70mmHg 40 mmHg 30 to 265 mmHg 4 0 to 36 3 kPa 12 0 kPa 9 3 kPa 5 3 kPa neonatal 40 to 125 mmHg 5 3 to 16 7 kPa YM6000 Service Manual Service Menu and Factory Default Settings 41 Factory Defaults Parameters Ranges Selections Adult Padiation Neonatal 5 mmHg 0 7kPa steps NIBP DIA High Alarm Limits adult pediatric 90mmHg 70mmHg_ 60 mmHg 15 to 250 mmHg 2 0 to 33 3 kPa 12 0 kPa 9 3 kPa 8 0 kPa neonatal 25 to 90 mmHg 3 3 to 12 0 kPa 5 mmHg 0 7kPa steps NIBP DIA Low Alarm Limits adult pediatric 50mmHg 40mmHg 20 mmHg 10 to 245 mmHg 1 3 to 32 7 kPa 6 7 kPa 5 3 kPa 2 7 kPa neonatal 20 to 85 mmHg 2 7 to 11 3 kPa 5 mmHg 0 7kPa steps NIBP MAP High Alarm Limits adult pediatric 110 mmHg 90mmHg 70 mmHg 25 to 260 mmHg 3 3 to 34 7 kPa 14 7 kPa 12 0 kPa 9 3 kPa neonatal 35 to 110 mmHg 4 7 to 14 7 kPa 5 mmHg 0 7kPa steps NIBP MAP Low Alarm
41. ap inlet Make sure the bleed line is directed away from the monitor Allow the reference gas to flow for at least one minute Sample the Span Reference Gas After the Two Point User Calibration steps have been followed disconnect the monitor from the gas supply and test setup A verification may be performed using the same gas delivery set up Verify the observed CO gas reading is within 3 mmHg or 10 whichever is greater of the CO value of the test gas supplied If not refer the user to the appropriate troubleshooting information YM6000 Service Manual Performance Verification 31 Safety Tests The monitor safety tests meet the standards of and are performed in accordance with IEC 60601 1 Clause 19 Second Edition 1988 Amendment 1 1991 11 Amendment 2 1995 03 EN60601 1 for instruments classified as Class I and Type CF Protective Earth Continuity This test checks the integrity of the power cord ground wire from the AC plug to the instrument chassis ground The current used for this test is less than or equal to 4 Volts RMS 50 to 60 Hz and 25 Amperes 1 Connect the monitor AC mains plug to the analyzer recommended by the analyzer operating instructions 2 Connect the analyzer resistance input lead to the equipotential terminal ground lug on the rear of the instrument Verify that the analyzer indicates 100 milliohms or less Electrical Leakage Earth Leakage Current This test is in compliance with IEC60
42. asively connected to the patient blood stream The force of movement of the blood in the patient vessels in transported by the fluid column n the pressure line to the transducer This movement cause an electrical signal to be generated which is then amplified to display the pressure wave and the numeric for the systolic diastolic and mean pressure values The blood pressure is influenced by the respiratory system This occurs in spontaneous breathing patients but is ore apparent in positive pressure ventilated patients To reduce this respiration artifact the module uses a variable weight filter technique in the processing of the pressure values Capnography Processing The capnography parameter provides the continuous non invasive monitoring of sidestream end tidal carbon dioxide EtCO inspired carbon dioxide InCO and respiration rate RR The measured values for capnography EtCO InCO and RR are displayed in the CO parameter box and a CO waveform can be continuously displayed Nitrous oxide compensation is selectable
43. assembly 1 Remove the wire connected to the AC inlet 2 Pull out the AC inlet to separate from the rear case YM6000 Service Manual 76 Disassembly Guide This page is intentionally left blank YM6000 Service Manual Spare Parts WARNING Follow local government ordinances and recycle instructions regarding disposal or recycling of device components including batteries General Spare parts along with part numbers are shown in Table 29 Item No corresponds to the circled callout numbers in Figure 27 Obtaining Replacement Parts Mediana Technical Service Department provides technical assistance information and replacement parts To obtain replacement parts contact Mediana Refer to parts by the part names and part numbers YM6000 Service Manual 78 Spare Parts o Figure 27 YM6000 Exploded View Spare Parts YM6000 Service Manual Spare Parts 79 Table 29 Parts List Item Part Code Description 1 T0106 Battery cover 2 T0104 Handle A 3 T0105 Handle B 4 M6010 Battery 5 W0113 SMPS wire 12 pin 6 T0112 Side cap top 7 T0113 Side cap bottom 8 T0114 Side cap stopper 9 T0100 Knob 10 W0114 Main cable 24 pin 11 M4022 LCD 12 W0117 LCD cable 13 P1032 Key board 14 T0107 Side connector holder 15 T1009 Rubber key 16 T0096 Front case 17 X1012 Encoder board assembly
44. asurement mode setting and application of the cuff and measure again NIBP Internal error E03 NIBP module error BPM pressure sensor fault Pump operated for ten seconds however pressure does not change Check the connection of the cuff hose NIBP Internal error E07 local supplier Reboot the monitor If the problem persists cease use immediately and contact qualified service personnel or your YM6000 Service Manual 56 Troubleshooting Alarm Messages Check Items NIBP Internal error E08 Reboot the monitor If the problem persists cease use immediately and contact qualified service personnel or your local supplier NIBP Internal error E09 NIBP module error Fault detected in accordance with safety monitoring to BPM IEC standards The pressure inside the cuff reaches the standard pressure Standard pressure Adult 320mmHg Neonatal 157mmHg NIBP Internal error Reboot the monitor If the problem persists cease use ROM immediately and contact qualified service personnel or your local suppler NIBP Internal error Reboot the monitor If the problem persists cease use RAM immediately and contact qualified service personnel or your local suppler NIBP Internal error Reboot the monitor If the problem persists cease use COM immediately and contact qualified service personnel or your local suppler ECG Internal error Reboot the monitor If the problem persi
45. ber to change The document part number changes when extensive technical changes are incorporated Contents Introduction n OA EEE A E T EE 1 Wartingscsssens a e eee eig Alias 1 Cautions neria a E A et ips 2 Manual OveEvleWs uds eade ete oie He D ERE is ERE CORN Co o e ERA uo da RETE 3 Related Documents s goto RR RR REPERI SEU RUE 3 Intended Use for the YM6000 Monitor sse nter nete treni nennen tenerte enn 3 Identifying the YM6000 monitor Configurations e eene enn nene 3 Monitor Controls oce en ae oe dt o A bae ARCU qa ou attese deti 4 Routine Maintenance 9 Clearing ss 9 Periodic Safety and Functional Checks sse eene 9 Batteries oco etu ete ob rp Dt e pe t p Det RE 10 Environmental Protection ihe de tette see ti ei pete te ee e erret 10 Performance Verification rc an ans 11 General oe Sn te itr etat n tie n He RE eu tee e iet 11 Reqitired Equipment esee nU E A a A 11 A ON 12 Performance Testi al 15 Safety Test iii dd dd as 31 Service Menu and Factory Default Settings occononoonomsnoasnosnoonisionosesncnoneriononecacnonanaononocacnonerrononesacnonena 35 Generalized e tea a 35 Service Menus tH p D det pH D HD teni 35 Demo Mode ai 2 dae beet aede e ide eee eere it 40 EtCO Calibration tete eti eerte eterne e e eene er eb A 40 Factory Default SEHEN ee eI ede Dee ied 40 Firmware
46. ble 8 Allowable Leakage Current Test Condition Allowable Leakage Current microamps Normal Condition NC 10 SFC Open Supply OS 50 SFC Open Earth SFC OE 50 Normal Condition RM NCRM 10 SFC Open Supply RM SFC OSRM 50 SRC Open Earth RM SFC OERM 50 YM6000 Service Manual Service Menu and Factory Default Settings General This section discusses use of the Service menu to configure Save Settings On Power Off Audible Alarm Silence Period Audible Alarm Suspend Period Audible Alarm Type AC Line Frequency Unit Configuration Language Setting Date Format Alarm Reminder Tone System Setting System Test NIBP Test Demo Mode and EtCO Calibration Also this section explains briefly the factory default settings Service Menu The purpose of the Service menu Figure 10 Table 9 is to allow the authorized user to create a Power on default for the settings in effect each time the monitor is powered on Once the Service menu is entered physiological monitoring is terminated The screen layouts do not display any information associated with normal monitoring operation Use the following procedure to configure the Service Menu for the monitor also see Using the Monitor section of the operator s manual NIBP mtg GOFF min SETUP MENU s ge 4120 804 Brod Sred au 0 400 Or Wave Record Time 2 Wave Record Select G1 ECG2 1 20 80 Record On Alram Off a Auto List Record O
47. call Mediana Technical Service Department to obtain a shipping carton Prior to shipping the monitor contact your supplier or the Mediana office Technical Service Department for a returned goods authorization RGA number Mark the shipping carton and any shipping documents with the returned goods authorization number Pack to shipping the monitor contact your supplier or the Mediana office Technical Service Department for a returned goods authorization number Mark the shipping carton and any shipping documents with the returned goods authorization RGA number Return the monitor by any method that provides proof of delivery Returning the YM6000 monitor Contact Mediana Technical Service Department for shipping instructions including a Returned Goods Authorization RGA number Unless otherwise instructed by Mediana Technical Service Department it is not necessary to return the sensor or other accessory items with the monitor Pack the monitor in its original shipping carton If the original carton is not available use a suitable carton with appropriate packing material to protect it during shipping Repacking In Original Carton If available use the original carton and packing materials Pack the monitor as follows 1 Place the monitor and if necessary accessory items in original packaging 2 Place in shipping carton and seal carton with packaging tape 3 Label carton with shipping address return address and RGA number if
48. cket and Key board Figure 21 Front Case Disassembly sLCD and Bracket seen enne nnne nenne Figure 22 Front Case Disassembly Knob LCD window Encoder assembly and Connectors sse 70 Figure 23 Rear case disassembly EtCO module Figure 24 Rear case disassembly Speaker Figure 25 Rear case disassembly SMPS case SMPS and NIBP module sse 74 Figure 26 Rear case disassembly Printer module and AC inlet sess 75 Figure 27 YM6000 Exploded View Spare Parts Figure 28 System Block Diagram sss Fieure 29 Power Unit Block Diagram d Ee ded td Figure 30 Process Unit Block DiaQvain e iate eie tr oia ess de de soap oes Figure 31 User Control Unit Block Diagram Figure 32 Sound Unit Block Diagram Figure 33 Communication Unit Block Diagram Figure 34 GUI Unit Block Diagram Figure 35 Thermal Printer Unit Block Diagram Figure 36 NIBP Unit Block Diagram Figure 37 EtCO Unit Block Diagram Figure 38 ECG Unit Block Diagram Figure 39 Respiration Unit Block Diagram FigureAU SpOs Unit Block Dit eta Figure 41 Temperature Untt Block Diagrami sc ccicsusseesesiscvskcistscasssscesiccattcnseviseseisisaisebevs ig eeisaatacosatveorvssseadnestve enira ET E RENE Figure 4
49. connector holder and Main board Part Descriptions CPU module SpO module and IBP board sese Part Descriptions Bracket and Key board ee et ea terere trn eee tt aida Part Descriptions LCD and Bracket Part Descriptions Knob LCD window Encoder assembly and Connectors Part Descriptions EtCO2 Module iioii sera dae Part Descriptions Speaker scs edt A P t pe open cadens n Did Cx ri bi ob Part Descriptions SMPS case SMPS and NIBP module Part Descriptions Printer module and AC inlet SK m YM6000 Service Manual iv Contents This page is intentionally left blank YM6000 Service Manual Introduction Warnings A Warnings are identified by the WARNING symbol shown above Warnings alert you to potential serious outcomes death injury or adverse events to the patient or user WARNING Explosion hazard Do not use the monitor in the presence of flammable anesthetics or gases WARNING Do not spray pour or spill any liquid on the monitor its accessories connectors switches or openings in the chassis WARNING Do not immerse the monitor or its accessories in liquid or clean with caustic or abrasive cleaners WARNING Ensure that conductive portions of the electrodes leads and cable do not come into contact with any other conductive parts
50. d The replacement level supported for this product is to the printed circuit board PCB and major subassembly level Once you isolate a suspected PCB follow the procedures in Disassembly Guide to replace the PCB with a known good PCB Check to see if the trouble symptom persists swap back the replacement PCB with the suspected malfunctioning PCB the original PCB that was installed when you started trouble shooting and continue troubleshooting as detected in this section Prior to Disassembly 1 Turn off the monitor by pressing Power button 2 Disconnect the monitor from the AC power source Fuse Replacement 1 After step D2 remove 2 AC main fuses F1 F2 250V 6 3A out of the socket if required 2 Remove 2 battery fuses F3 F4 250V 6 3A out of the socket if required 3 Replace a new fuse s 4 Reassembly the monitor Battery Replacement This section describes the steps to remove the battery from the monitor for replacement without disassembling the main case of the monitor 1 After step A replace new batteries 2 Reassemble the monitor YM6000 Service Manual 64 Disassembly Guide Monitor Disassembly This section describes the steps to remove battery and the handle and to separate the front and rear case assemblies M A ve j M6010 AK T0106 Figure 16 Battery and Handle Disassembly Table 18 Part Descriptions Battery and Handle Part Codes Descriptions T0106 Battery
51. d during the test progressing the test will stop and the menu box will disappear Pass Fail Results It passes if the leakage value is less than 12mmHg 3minutes YM6000 Service Manual 26 Performance Verification Pulse Oximetry Operation U N e cos Connect the monitor to an AC power source Turn on the monitor by pressing the Power button Connect the SpOz extension cable to SpO connector on the monitor s front panel after the monitor completes POST Connect the SpO simulator to the other end of the SpO extension cable The monitor will bein 5pO alarm display an SpO of 75 Test pass criteria is 73 to 77 SpOz display a pulse rate of 60 Test pass criteria is 57 to 63 bpm display low level modulation Test 1 5pO a Press SpO selection button on the SpO simulator The SpO 90 LED on the SpO simulator will light b The monitor will display three dashes until the SpO simulator stabilizes at 90 SpO The test pass criteria are 88 to 92 SpO c The monitor will display 90 SpO 60 bpm no alarm 7 Test 2 Pulse rate bpm a Press PULSE RATE selection button on the SpO simulator The PULSE RATE 200 LED on the SpO simulator will light b The monitor will increase to 200 bpm The test pass criteria is 197 to 203 BPM c The monitor will display 90 SpO2 200 bpm alarm PR SpO Upper limit violated message will display and the
52. d with either a commercial nonabrasive cleaner or one of the solution listed in the below Lightly wipe the top bottom and front surfaces of the monitor lightly Quatemary Ammonium Alcohol 70 Isopropyl 10 Chlorine bleach solution PDI Sani System For cables sensors cuffs and probes follow cleaning instructions in the directions for use shipped with those components Avoid spilling liquid on the monitor especially in connector areas If liquid is accidentally spilled on the monitor clean and dry thoroughly before reuse If in doubt about monitor safety refer the unit to qualified service personnel for checking Periodic Safety and Functional Checks The monitor requires no routine service or calibration other than cleaning and battery maintenance The following performance verification tests may be used following repair or during routine maintenance if required by your local institution The following checks should be performed at least every 2 years by qualified service personnel Q Inspect the exterior of the monitor for damage N Inspect labels for legibility If the labels are not legible contact Mediana Technical Service Department Q If the monitor has been visibly damaged or subjected to mechanical shock for example if dropped perform the performance tests as described in Performance Verification section If the unit fails these performance tets refer to Troublehooting section 4 Perform the
53. e SpO Additionally to compensate for differences in tissue thickness the light intensity of the sensor s LEDs is adjusted automatically Measured versus Calculated Saturation The measured SpO value from an oximeter may differ from the saturation value that is calculated from a blood gas partial pressure of oxygen PO2 This usually occurs because the calculated saturation was not appropriately corrected for the effects of variables that shift the relationship between PO2 and saturation pH temperature partial pressure of carbon dioxide PCO2 2 3 DPG and fetal hemoglobin PCO2 1 2 3 DPG Fetal Hb j t pH 100 Temperature So oo E 1 2 1 50 n Temperature 3 1 Peo 5 j f 2 3 DPG 50 100 PO mmHg Figure 44 Oxyhemoglobin Dissociation Curve Functional versus Fractional Saturation This monitor measures functional saturation oxygenated hemoglobin expressed as a percentage of the hemoglobin that can transport oxygen It does not detect significant amounts of dysfunctional hemoglobin such as carboxyhemoglobin or methemoglobin In contrast hemoximeters such as the IL482 report fractional saturation oxygenated hemoglobin expressed as a percentage of all measured hemoglobin including measured dysfunctional hemoglobin To compare functional saturation measurements to those from an instrument that measures fractional saturation fractional measurements must be converted as follows
54. electrical safety tests detailed in Performance Verification section If the unit fails these electrical safety tests do not attempt to repair Contact Mediana Technical Service Department 5 Inspect the fuses for proper value and rating qty 2 6 3 A 250 volts for AC mains YM6000 Service Manual 10 Routine Maintenance Batteries If the monitor has not been used for a long period of time more than 2 months the battery will need charging To charge the battery connect the monitor to an AC outlet as described in Battery Charge paragraph in this service manual or the Battery Operation section of the operator s manual Note Storing the monitor for a long period without charging the battery may degrade the battery capacity The battery may require a full charge discharge cycle to restore normal capacity Mediana recommends that the monitor s sealed Ni MH batteries be replaced at 2 year intervals Refer to Disassembly Guide section CAUTION If the monitor is to be stored for a period of 2 months or longer it is recommended to notify service personnel to remove the battery from the monitor prior to storage To replace or remove the battery refer to Disassembly Guide section Recharging the battery is strongly recommended when the battery has not been recharged for 2 or more months CAUTION If the battery shows any signs of damage leakage or cracking it must be replaced immediately CAUTION Discarded battery may explode dur
55. es YM6000 monitor configurations and how they are indicated The model option number and serial number are located on the back of the monitor All information in this manual including the illustrations is based on a monitor configured with the Capnography EtCO and InCO IBP and recorder If the relevant functions do not exist please verify your unit configuration Model option Description YM6000 0 Basic ECG NIBP SpO 2 channel Temperature Respiration YM6000 PO Basic Recorder YM6000 0B Basic IBP YM6000 0E Basic Capnography YM6000 POB Basic Recorder IBP YM6000 POE Basic Recorder Capnography YM6000 0BE Basic IBP Capnography YM6000 POBE Basic Recorder IBP Capnography YM6000 Service Manual 4 Introduction Monitor Controls Front Panel Controls and Connectors 1 3456 Y bpm ECG il ESS O 7 Me Me de Me e E icd E si El a A A A NIBP mmHg O li E a TA 9 ABP 150 n 100 ar Ts y LAICA ed O Y e 2120 805 O Mm mes M exe a 100 4 Z CAPNO E A US A 2 LEN N 40 GJetco mm g ZO N AM AA 4A 233 13 37 5 am Y ce H Aj 2006 8 23 16 43 36 8 Als j 17 18 19 20 16 Visual alarm indicator LCD Liquid crystal display Power on indicator Battery charging status indicator A Battery charging status indicator B AC indicator Power button
56. eventively stopped because measurement time exceeded 160 seconds adult There is a possibility that blood pressure might be repeatedly measured due to insufficient pressurizing caused by calcified pseudohypertension NIBP Cuff time out over 160 pulses C18 Pulse waveform signal more than 160 beats are detected during measurement There is possibility that noises might interrupt signal Motion artifact or external vibrations possibly affected cuffs Check for patient movement and if the cuff is free from stays still and cuffs are free from outside vibration then measure again NIBP Cuff pressure failure C19 Cuff pressure exceeded more than 300 mmHg adult during measurement There is a possibility that the patient moved during measurement or strong pressure from outside might be added to cuffs Considering above measure again NIBP Cuff weak pulse C20 Amplitude of pulse obtained from cuffs are too weak This error possibly occurs when cuffs are wrapped around loosely in ASO patients or when cuffs are wrapped around thick clothing Wrap cuffs around properly then measure again NIBP Check cuff hose and mode C21 Patient to be measured and cuff size used do not match This error may occur if the blood pressure measurement mode setting is incorrect if the cuff has been wrapped tightly in the adult mode loosely in the neonatal mode or if the arm has been bent during measurement Check the me
57. fault settings as per the save settings on power off in the service menu Contact qualified personnel in your facility or your local supplier SYSTEM No recorder The recorder is not installed in your monitor If required contact installed your local supplier Note If the alarm message still appears contact your local supplier for advice on remedial action YM6000 Service Manual 60 Troubleshooting This page is intentionally left blank YM6000 Service Manual Disassembly Guide A A e General WARNING Performance Verification Do not place the monitor into operation after repair or maintenance has been performed until all Performance Tests and Safety Tests listed in Performance Verification section of this service manual have been performed Failure to perform all tests could result in erroneous monitor readings WARNING Before attempting to open or disassemble the monitor disconnect the power cord from the monitor CAUTION Observe ESD electrostatic discharge precautions when working within the unit This section describes disassembly procedures with detailed disassembly instructions and illustrations Disassembly Sequence Flow Chart that is used to access replaceable parts of the monitor is illustrated in Figure 15 The boxes on the flow chart represent the various components or sub assemblies A complete listing of the available spare parts and part numbers is in Spare Parts
58. ff E 1 00 ara l Alarm Volume 5 CVP Hi mmi HR PR Tone Volume 4 y DIT a 00 84 Main Screen 6 ch Wave E 3 120 80 IE Service Menu RRimin 4 Ico mmHg A SU 20 EtcO mmHg a Katuin 2207 33 l 37 5 OR P 812000 05 1643 36 8 or Figure 10 The access of Service Menu via Set up menu 1 Set the monitor to normal monitoring mode 2 Rotate the trim knob to highlight the Setup icon located on the bottom of the screen and then press the trim knob Setup menu displays 3 Rotate the trim knob to highlight Service Menu in Setup menu and then press the trim knob to access the Service Menu 4 Three digits are displayed in the Level 2 Menu as shown in Figure 4 YM6000 Service Manual 36 Service Menu and Factory Default Settings SETUP MENU ARETES Adult Record Speed Wave Record Time Wave Record Sele Record On Alram Off Auto List Record Off Alarm Volume HR PR Tone Volume 4 NIGP mmHg OFF O min 5120 80 Fs 100 r FU mmHg 4120 80 fe M 1 00 er CVP mmHg Key Beep Volume 4 Sleep Mode O Main Screen 6 Service Menu a 100 9 E 3120 80 RR min g inco mmHg A 8 225 Return mn 37 5 JO PSII 006 8 23 16 43 368 4 Figure 11 The access of Service Menu via Set up menu EtCO mmHg T cC Note The access code is 6 0 6 It is set at the factory and may not be changed
59. filled the bar completely 5 The monitor will display the firmware download screen as shown below figure 13 SS EES D 0 wo 0 Figure 13 Firmware downloading display YM6000 Service Manual 46 Firmware Download 6 Connect LAN cable to the TCP IP port of the monitor and the PC 7 Run YM6000 Field Utility exe on the PC 8 Three bars on the screen indicate the progress status for the downloading T displays the transferring status the PC to monitor D displays the deleting status of the flash memory W displays the writing status of the flash memory 9 When three bars are filled the completion code will be displayed in the box located on the center of the screen as shown Figure 14 Refer to Table 15 7 100 n M gt 100 w 100 Figure 14 Firmware downloading display Table 15 Completion codes Code Description S 1 3 Boot download completed S 2 3 Main download completed Note If any problem during Firmware downloading the error code will be displayed in the box located on the center of the screen Refer to Firmware Download in Troubleshooting section 10 After completion of downloading turn the monitor off 11 Disconnect the LAN cable from the monitor 12 After a few seconds turn the monitor on again 13 Perform the tests specified in Performance Verification section Note When a new firmware downloading
60. for pricing and ordering information YM6000 Service Manual 12 Performance Verification System Tests The monitor must be placed in the service menu For a detailed explanation to access the service menu refer to Service Menu and Factory Default Settings section 1 Rotate the trim knob to select System Test in the service menu and then press the trim knob LCD Test This tests the LCD display 1 Select LCD Test in the system test 2 The screen color will change over the following sequence Red gt Green gt Blue gt White gt Black every two seconds 3 After testing the test press trim knob twice to exit Pass Fail Results When the color of the test screen changes in the order from Red Green Blue White to Black the LCD display is in a normal state Alarm Audible Test This tests the alarm tones by displaying the level of the alarm tone on the screen SERVICE MENU LCD Test Tone Audible Test Backup RAM Clear Save Settings On Power Off Back Up Audible Alarm Silence Period Audible Alarm Suspend Period Audible Alarm Type lE 601 AC Line Frequency 60 Unit Configuration Language Setting English Date Format Year Month D Alarm Reminder Tone 3 mir System Setting System Test NIBP Test Demo Mode Off EtCO2 Calibration Done Return Alarm Audible Test Cancel Figure 5 Alarm Audible Test 1 Select Alarm Audible Test in the system
61. g the Power button Connect the IBP test cable to the IBP simulator then turn on the IBP simulator Press 6 zero button on the IBP simulator then press enter button on the IBP simulator Connect the other end of IBP test cables to IBP channel 1 and 2 connectors on the monitor s front panel after completed the POST The monitor will display IBP waveform s baseline on the screen Select IBP waveform menu or IBP menu then set Pressure Zero Setting to Yes to perform the zero calibration If zero calibration is successful the monitor will display the value 0 on the IBP numerical area Press the 5 wavef button on the IBP simulator then press enter button on the IBP simulator 10 The monitor will display IBP waveform on the screen display systolic mean diastolic measurement values on the IBP numerical area Note Initial values of IBP simulator are systolic 120mmHg diastolic 80mmHg at channel 1 systolic 120mmHg diastolic OmmHg at channel 2 YM6000 Service Manual Performance Verification 29 CO Operation 1 Connect the monitor to an AC power source Turn on the monitor 2 Rotate the trim knob to highlight CO numerical area and then press the trim knob to display the CO2 menu 3 Verifying that Capno Measurement is set to On in CO menu 4 Test 1 Display Accuracy a Connect the 10 calibration gas cylinder with the valve to the sampling tube connected to the water trap of the
62. h Language German Italiano Italian H 55A English Japanese Portugu s Portuguese Espa ol Spanish monitor as described in the monitor service manual Note An asterisk by a parameter in the above table indicates that the parameter can only be changed by authorized personnel Note Asterisks by a parameter in the above table indicate the print settings when the optional printer is installed in the YM6000 Service Manual 44 Service Menu and Factory Default Settings This page is intentionally left blank YM6000 Service Manual Firmware Download General This section is for the purpose for reloading Firmware into the monitor when the possibility of corrupted Firmware exists or updating Firmware with a new system revision system device version Call Mediana Technical Service Department for the latest version of Firmware utility required Equipment Needed Table 14 lists the equipment required for Firmware download Table 14 Required Equipments for Firmware download Equipment Description Firmware Downloading Cable LAN Cable Firmware Downloading Software YM6000 Field Utility Personal Computer PC With TCP IP Port How to Download 1 Turn the monitor off 2 Turn the monitor on by pressing the Power button 3 The monitor displays the bar while the checksum for the flash memory is in progress 4 Press NIBP start stop button and Return button simultaneously before
63. heart rate setting on ECG simulator to 120 bpm a a C After about 15 seconds verify the monitor displays heart rate of 120 3 bpm Disconnect the LL lead from ECG simulator Verify that the ECG Check ECG leads amp electrodes message appears that three dashes are displayed in the HR PR numerical area and that low priority audible alarm sounds Reconnect the LL lead to ECG simulator Verify that ECG Check ECG leads amp electrodes message no longer appears and that the audible alarm is stopped Repeat this test for the LA and the RA leads 10 Connect all the leads to the monitor a b C Select ECG waveform menu and set Lead select to Lead I Verify that the lead selection is displayed on the ECG waveform area Repeat step 10 a for all the ECG Lead selections 11 Set ECG Lead selection to Lead II 12 Change ECG waveform size to all the selectable sizes and verify that an appropriate size is displayed on the ECG waveform area YM6000 Service Manual Performance Verification 23 13 Set ECG Cable Select to Auto via ECG waveform menu 14 Verify that Lead Select in ECG waveform menu displays I II III 15 Disconnect 3 ECG leads and connect 5 ECG leads 16 Verify that Lead Select in ECG waveform menu displays I II III aVR aVL aVF V Chest Lead 17 Repeat step 9 to 12 18 Turn off the monitor Note The accuracy of the monitor ECG measurements is 3 bpm In the procedure add
64. heck items in the below table to remove the alarm condition after checking the alarm message in the alarm message area or informative message area Table 17 Alarm Messages and Check Items Alarm Messages Check Items NIBP Check cuff C11 Cuff pressure did not increase enough even after activating the pump for more than 30 seconds adult There is a possibility that a cuff hose is disconnected or a cuff may not be wrapped around an arm Check cuff and cuff hose This error possibly occurs in case of large cuffs that are wrapped around loosely When the error still occurs even after checking above there is a possible air leakage from a ruptured cuff Replace it with a new one NIBP Check cuff Patient C12 NIBP Cuff excessive artifact C13 pressed Blood pressure could not be measured even after cuff pressure decreased It is possibly because pulse was not strong enough for measurement or because change of pulse amplitude could not be obtained Check whether cuffs are not wrapped around thick clothing After wrapping cuffs around property measure again When the error occurs in the initial measurement in continuous mode the second measurement will start unless Stop button is Measurement failed because of patient movement during measurement Tell the patient to stay still then measure again When it occurs in the initial measurement in continuous mode the second measurement will start unless Stop but
65. hen working within the unit and or when disassembling and reassembling the monitor and when handling any of the components of the monitor CAUTION When reassembling the monitor over tightening could strip out the screw holes in the cases rendering it unusable CAUTION If any problem with the monitor built in an optional printer check a printer s door is closed well Operating error may be caused if the cover is not closed correctly CAUTION If internal battery cable has been disconnected pay particular attention to polarity of the cable before reattaching If battery cable polarity is reversed it is likely that circuit damage will occur CAUTION For continued protection against risk of fire replace only with same type and rating of fuse CAUTION Ferrite Cores are used for electromagnetic compatibility Please do not remove Ferrite Cores while disassembling or reassembling otherwise the monitor can be affected by electromagnetic interference and measure inaccurate data to be displayed or stored YM6000 Service Manual Introduction 3 Manual Overview This manual contains information for servicing the YM6000 monitor The monitor subsequently referred to as the monitor throughout this manual Only qualified service personnel should service this product Before servicing the monitor read the operator s manual carefully for a thorough understanding of safe operation Read and understand all safety warnings and service notes
66. in board YM6000 Service Manual Troubleshooting 51 Trim knob and Buttons NIBP The following are symptoms of problems and recommended actions relating to buttons If the action requires replacement of a PCB assembly refer to Disassembly Guide 1 The monitor fails to power up when Power button is pressed 1 1 Take steps as noted in paragraph Power in Performance Verification section 2 The monitor powers up but some or one of the other buttons respond 2 1 Ensure the key wire is connected to the key board assembly and the main board If connection is good change the key board assembly 2 2 If problem persists change the main board 3 When the trim knob is rotated no highlight appears on display screen and or the monitor does not respond to the trim knob presses 3 1 Ensure the encoder wire is plugged into the main board If connection is good change encoder assembly 3 2 If problem persists replace the main board The following are symptoms of problems relating to NIBP functions and recommended actions If the action requires replacement of a PCB or module refer to Disassembly Guide 1 The cuff does not inflate 1 1 Ensure the cuff hose is not folded and NIBP tube inside of the monitor is not blocked or kinked 1 2 If problem persists replace the NIBP module 1 3 If problem persists replace the main board 2 Alarm Message C11 or E03 2 1 Ensure the cuff hose is not folded and NIBP tube inside of
67. ined As the transducer has been subject to abnormal pressure check the measurement circuit SpO Check sensor Sensor not connected If connected the cable or connector may be damaged Replace with a new cable If replacing the cable has no effect the problem may be within the device In this case cease use immediately SpO Sensor failure A problem with the SpO sensor has been detected The SpO measurement function does not operate The possible cause is a connection failure of the SpO sensor and the extension cable or a failure of the sensor or cable Reconnect the sensor and extension cable or replace them with new ones If the problem doesn t clear up after carrying out the remedies above or switching power OFF ON a grave fault can develop Cease the use of the sensor immediately SpO Module reset A problem with the SpO measurement has been detected The SpO measurement function does not operate If switching power OFF ON has no effect it is possible that a fault has occurred Cease use immediately TEMPi n Out of range A measure reading outside the measurement range was YM6000 Service Manual 58 Troubleshooting Alarm Messages Check Items obtained It is possible that the temperature in the vicinity of the sensor is extremely low less than 15 0 C or extremely high more than 45 0 C Adjust the ambient temperature and measure again CAPNO Zero calibration
68. ing incineration Recycle used batteries properly Do not dispose of batteries in refuse containers Environmental Protection Follow local governing ordinances and recycling plans regarding disposal or recycling batteries and other device components Note The monitor should be disposed of separately from the municipal waste stream via designated collection facilities appointed by the government or the local authorities Note The correct disposal of your old appliance will help prevent potential negative consequences for the environment and human health Note For more detailed information about disposal of your old appliance please contact your city office waste disposal service or the shop where you purchased the monitor YM6000 Service Manual Performance Verification General This section discusses the tests used to verify performance following repairs or during routine maintenance All tests can be performed without removing the monitor covers All tests except the battery charge and battery discharge tests must be performed as the last operation before the monitor is returned to the user If the monitor fails to perform as specified in any test repairs must be made to correct the problem before the monitor is returned to the user Required Equipment Table 1 lists the equipment required for performance verifications Table 1 Required Equipment Equipment Description Digital multi
69. it If connected the cable may be damaged Replace with a new cable If replacing the cable has no effect the problem may be within the device In this case cease use immediately SpO Check probe Sensor is not in contact with patient SpO2 could not be measured Fit the sensor correctly to the patient and measure again TEMP n Temperature probe disconnected Sensor not connected to the main unit If connected the cable may be damaged Replace with a new cable If replacing the cable has no effect the problem may be within the device In this case cease use immediately CAPNO Occlusion Check the patient condition CAPNO Water trap full Disconnect the sampling tubing from the water trap and replace the water trap with a new one ECG Signal saturation Decrease the ECG size via the setup menu RESP Check Resp leads amp electrodes Electrodes or lead wires may not be correctly attached or a circuit is possibly saturated due to offset voltage Check whether electrodes are correctly attached and electrodes are new and wet Confirm the patient s skin is clean label Unable to zero calibration label Out of range Could not zero calibrate pressure Check that the transducer is open to the atmosphere and check the three way tap As it is also possible that the measured pressure incorporates noise check the measurement circuit A value outside the measurement range was obta
70. ling If the save settings on power off is set to Back Up the monitor saves the current settings when the monitor is powered off The saved settings become the power on defaults in the next power on cycling If the save settings on power off is set to Default the factory default settings become the power up defaults in the next power on cycling YM6000 Service Manual 38 Service Menu and Factory Default Settings Audible Alarm Silence Period Pressing the Alarm silence suspension button temporarily silences alarms for the period selected in the service menu The factory default of alarm silence period is 120 seconds Audible Alarm Suspension Period If Alarm suspension period is set to other than Off or Indefinite the audible alarm is not activated for the time interval by pressing and holding the Alarm silence suspension button for 2 seconds If Off is selected the audible alarm suspension is not allowed to activate If Indefinite is selected the audible alarm suspension continues until canceled Audible Alarm Type The audible alarm has different tone pitch and on off beep patterns for each alarm priority The monitor has two different audible alarm types called GN924 and IEC60601 1 8 Table 10 Audible Alarm Characteristics Mon Tone Pitch Beep Rate GN924 TEC60601 1 8 GN924 TEC60601 1 8 High priority 976 Hz 7976 Hz 7 beeps in 2 sec 10 beeps in 15 sec Medium priority 697 Hz 697 Hz 2 beeps in
71. m 6 Verify HR PR source on HR PR numerical area is set to SpO 7 Select Setup icon on the screen to display Setup menu 8 Rotate the trim knob to highlight HR PR tone volume on Setup menu and press the trim knob to adjust HR PR tone volume 9 Set HR PR tone volume level 1 to level 7 and return to the monitoring screen Verify beeping pulse rate tone increases 10 Set HR PR tone volume level 7 to level 1 and return to the monitoring screen Verify beeping pulse rate tone decreases YM6000 Service Manual 18 Performance Verification 11 Set HR PR tone volume to Off and return to the monitoring screen Verify beeping pulse rate tone is no longer audible 12 Return HR PR tone volume to a comfortable level Sensor LED Excitation Test This procedure uses normal system components to test circuit operation A DS 100A used to examine LED intensity control The red LED is used to verify intensity modulation caused by the LED intensity control circuit Connect the monitor to an AC power source Press the Power button to turn on the monitor Connect the SpO extension cable to the monitor Connect SpO sensor to the SpO extension cable Leave the sensor open with the LEDs and photo detector visible ON 01 d q N e After monitor completes its normal power up sequence verify that the sensor LED is brightly lit 7 Slowly move sensor LED in proximity of photodetector element of the sensor close the sen
72. m Limits 50 mmHg 40 mmHg 20 mmHg IBP1 2 MEAN High Alarm Limits 110 mmHg 90 mmHg 70 mmHg IBP1 2 MEAN Low Alarm Limits 60 mmHg 50 mmHg 30 mmHg RESP High Alarm Limits 30 BPM 30 BPM 100 BPM YM6000 Service Manual Performance Verification 19 Factory Defaults Adult Pediatric Neonatal RESP Low Alarm Limits 8 BPM 8 BPM 30 BPM EtCO High Alarm Limits 80 mmHg 80 mmHg 80 mmHg EtCO Low Alarm Limits 0 mmHg 0 mmHg 0 mmHg InCO High Alarm Limits 20 mmHg 20 mmHg 20 mmHg InCO Low Alarm Limits 0 mmHg 0 mmHg 0 mmHg TEMPI 2 High Alarm Limits 39 0 C 102 2 F 39 0 C 102 2 F 39 0 C 102 2 F TEMP1 2 Low Alarm Limits 36 0 C 96 8 F 36 0 C 96 8 F 36 0 C 96 8 F 1 Turn on the monitor at the factory default settings 2 Select Alarm limits icon to display Alarm limits menu 3 Verify that alarm limits are set to as shown in Table 2 4 Change Patient mode from Adult to Pediatric or Neonatal then verify that alarm limits are set to as shown in Table 2 5 Change alarm limit value via Alarm limits menu 6 Save the current changed alarm limit values as a power on default setting via the service menu see Service Menu and Factory Defaults section Turn off the monitor 7 Press Power button to turn on the monitor 8 Verify alarm limits are set to the current changed alarm limit values Printer Test Option If Printer option is installed in the monitor the following test pr
73. mance Verification section Table 12 NIBP Test Tests Description Pressure Sensor Accuracy Test verifies that the pneumatic pressure sensor accuracy is within the specification Air Leakage Test verifies that the pneumatic pressure air leakage is within a pressure drop of 3 mmHg min Inflation Speed Test is intended for factory use only Deflation Speed Test is intended for factory use only Return returns to Service Menu after the test completed Demo Mode The purpose of Demo Mode is to show a visual presentation demonstrating how the monitor works EtCO Calibration The EtCO calibration may be performed periodically to ensure product performance and measurement accuracy This menu provides to facilitate performing EtCO calibration For a detailed procedure refer to Performance Verification section Factory Default Settings Factory default settings are divided into three groups adult pediatric and neonatal as described in Table 13 The patient mode is preset to Adult mode Alarm limits settings will be automatically changed to the default settings for each patient mode as the mode is changed to Adult Pediatric or Neonatal mode Table 13 Factory Default Settings Factory Defaults Parameters Ranges Selections Adult Pediatric Neonatal NIBP NIBP Initial Inflation Pressure adult pediatric 180 mmHg 180 mmHg 120 mmHg 120 140 160 180 200 220mmHg 16 0 24 0 kPa 24 0 kPa 16 0 kP
74. ment In this test 110 of mains voltage is applied between each patient connection and earth power ground Patient leakage current is then measured from any individual patient connection to earth Note Keep the patient test cable length as short as possible during the leakage test Note This test requires the same test cables for each patient connector as described in paragraph Patient Leakage Current 1 Configure electrical safety analyzer as recommended by analyzer operating instructions 2 Connect monitor s AC mains power cord to analyzer as recommended by analyzer operating instructions 3 Connect ECG test cable between ECG connector on the monitor and appropriate input connector on analyzer 4 Turn on the monitor 5 Perform the test as recommended by analyzer operating instructions 6 Repeat the test for SpO z and temperature patient connections using appropriate test cables Note Patient leakage current is measured with normal and reverse mains polarity For each condition the measured leakage current must not exceed that indicated in Table 6 Table 6 Patient Leakage Current Values Mains Voltage on Applied Part Test Condition Allowable Leakage Current microamps Normal polarity SFC 50 Reverse polarity SFCRM 50 YM6000 Service Manual 34 Performance Verification Patient Auxiliary Current This test measures patient auxiliary current in accordance with IEC60601 1 clause 1
75. meter DMM Fluke Model 87 or equivalent ECG cable for 3 leads Mediana ECG cable for 3 lead ECG cable for 5 leads option Mediana ECG cable for 5 lead ECG leads Mediana ECG 3 lead ECG leads option Mediana ECG 5 lead NIBP hose Mediana cuff hose NIBP cuff Mediana cuff Durable NIBP rigid PVC vessel 9cm diameter SpO extension cable Nellcor DOC 10 SpC sensor durable Nellcor DS 100A Temperature probes YSI 400 series SpO simulator Nellcor SRC MAX simulator Respiration simulator ECG simulator METRON PS 420 or equivalent NIBP simulator Bio Tek BP Pump 2 or equivalent METRON PS 420 or equivalent Temperature simulator Medsim 300 or equivalent IBP simulator METRON PS 420 or equivalent IBP test cable Mediana IBP test cable Calibration gas cylinder 8 12 CO 0 02 balance air or nitrogen Gas valve and non silicon tubing Gas valve and non silicon tubing Sample elbow or tee Sample elbow or tee CO gas flow meter BCI catalogue No 8133 recommended Sample line Sample line Water trap Water trap CO scrubber or 076 CO medical grade gas source CO scrubber or 0 CO medical grade gas source Data interface cable Safety analyzer METRON QA 90 or equivalent 9 pin RS 232 cable PC Common PC LAN cable Common used LAN cable Stopwatch Manual or electronic Note Contact Mediana Technical Service Department
76. monitor b After passed the warm up time about 3 minutes repeat 3 or 4 times turning on and off the valve of the gas cylinder with the interval of 1 to 2 seconds c Verifying that the monitor displays 76mmHg 2mmHg in CO numerical area 5 Test 42 Flow Rate a Connectthe flow meter to the sampling tube connected to the monitor b Connect a sampling tube to the other side of the flow meter and make the other side of the sampling tube open c Verify that the flow rate is between 150 2mmHg 6 Test 4 Occlusion a Block the sample input The module should enter the occlusion state Verify that it does correctly enter this occlusion state b Unblock the input Verify that after the modules occlusion sequence of high flow rates and valve actuations the occlusion message disappears and the module restores normal function 7 Test 5 ECCO Calibration To perform a Zero Calibration The user is required to apply a 0 CO gas or zero gas during the steps of a Zero Calibration B Select a well ventilated room to perform the calibration b Make sure the monitor has been operating for at least 5 minutes prior to the Zero Calibration c Attach the CO scrubber to the water trap inlet according to the CO scrubber Directions for Use or attach a 076 medical grade gas source Now the monitor operates for one minute d After approximately one minute observe the CO reading The CO reading should be be
77. n the monitor as described in Disassembly Guide Verify the power supply s LED flashes while on AC While charging battery the red LED is flashed until battery charging is completed then the red LED is lit continuously Replace the power supply assembly if the LEDs are not lit The followings are symptoms of problems relating to non functioning displays and recommended actions If the action requires replacement of a PCB assembly or module refer to Disassembly Guide 1 2 3 LCD screen is totally black after system powers up 1 1 Ensure the inverter wire is connected to the LCD assembly 1 2 Ensure the LCD cable is connected to the LCD assembly and the main board 1 3 If the problem persists replace LCD assembly 1 4 If the problem persists replace the main board LCD screen is illuminated but no data is visible after system powers up 2 1 Ensure LCD cable is connected to the main board and LCD assembly 2 2 If the problem persists replace the LCD cable 2 3 If the problem persists replace the main board 2 4 If the problem persists replace the LCD assembly Display values are missing or erratic 3 1 If the measurement cables are connected ensure that the cables are properly connected 3 2 If the problem persists replace the measurement cables 3 3 If the problem persists replace LCD cable 3 4 If the problem persists replace the main board YM6000 Service Manual 50 Troubleshooting Sound 4 Display
78. nfiguration Language Setting Englist Date Format Year Month Da Alarm Reminder Tone 3 mir System Setting System Test Demo Mode Off EtCO2 Calibration Done Deflation Speed Test Return MAIN CPU mmHg SUB CPU mmHg Cancel Figure 8 Pressure Sensor Accuracy Test 1 Connect the NIBP cuff hose to the NIBP connector on the monitor s front panel 2 Connect the other end of the NIBP cuff hose to the NIBP simulator 3 Rotate the trim knob to select NIBP Test in the service menu and then press the trim knob 4 Rotate the trim knob to select Pressure Sensor Accuracy Test and then press the trim knob 5 Press Select button on the simulator until simulator displays Pressure Source Set Test Pressure Adjust pressure on the simulator for 250 150 50 and 0 mmHg 6 Press Start Pump button on simulator The simulator will begin to pressurize Allow 15 20 seconds for pressure to stabilize 7 Compare the pressure of the simulator with the pressure displayed by the monitor If air leakage disables accurate comparison of the above pressures eliminate the cause of air leakage 8 After finishing the test press the trim knob to select Cancel The menu box will disappear If Cancel is selected during the test progressing the test will stop and the menu box will disappear Pass Fail Results The difference between the simulator s and the monitor s readings are as foll
79. ng whether the patient is moving and whether there is external vibration When it occurs in the initial measurement in continuous mode the second measurement will start unless Stop button is pressed NIBP Retry Cuff irregular pulses C15 Blood pressure could not be measured because oscillation graph was not normal There is a possibility that patient movement or external vibration interrupted the measurement Check whether a patient stays still and cuffs are free from outside vibrations then measure again When it occurs in the initial measurement in continuous mode the second measurement will start unless Stop button is pressed NIBP Retry Cuff motion artifact C16 Blood pressure could not be measured because noises interrupted pulse waveform signal There is a possibility that patient movement or external vibration interrupted the measurement Confirm the patient is not moving and the cuff is free of external vibration then measure again When it occurs in the initial measurement in continuous mode the second measurement will start unless Stop button is pressed NIBP Retry Cuff time out over 160 pulses C18 Pulse waveform signal more than 160 beats are detected during measurement There is a possibility that noise patient movement or external vibrations Confirm the patient is not moving and the cuff is free of external vibration then measure again NIBP Retry Cuff pressure failure C19
80. nit a Figure 33 Communication Unit Block Diagram GUI graphic user interface unit consists of TFT LCD inverter for backlit and internal video controller 12 1 TFT LCD LVDS differencial data LVDS TTL Vdata bus CPU AAI21SLO3 M4 Heer o S3C2440 DS9OCF363A Inverter for backlight Figure 34 GUI Unit Block Diagram e Thermal Printer unit prints data records Error Signal Asyncronous Serial Communication with Communication UNIT Thermal Printer Figure 35 Thermal Printer Unit Block Diagram 86 System Processing Description NIBP unit measures non invasive blood pressure data 1 NIBP Asyncronous Serial Communication with Communication UNIT Module Figure 36 NIBP Unit Block Diagram EtCO unit measures EtCO data D Asyncronous Serial Communication with Communication UNIT ETCO2 ES MODULE OOO Figure 37 EtCO Unit Block Diagram ECG unit measures electrocardiographic waveform data RA Lead off detector Driven circuit saturation detector Lead gt Instrument Amp LA Lead off detector Gain Amp DC 5V Isolation Driven circuit Filter DC DC saturation detector Lead Il IIl Lead off detector LL ea Driven circuit Lead Instrument Amp AID Photo g Selector Gain Amp coupler saturati
81. ocedures will verify the printer performance 1 Connect the monitor to an AC power source 2 Press Power button to turn on the monitor 3 Connect all necessary simulators to the monitor 4 Select Setup icon on the screen to display Setup menu 5 Test 1 20 sec printing a Set Wave record time to 20 sec via Setup menu b Press Print button when all the parameter signals display normally c Verify that the parameter values and waveforms are printed out for 20 seconds 6 Test 22 Continuous printing Set Wave record time to Continuous via Setup menu b Press Print button when all the parameter signals display normally values c Verify the parameter and waveforms continuously are printed out d Verify printing stops with pressing Print button again YM6000 Service Manual 20 Performance Verification Network Test e 7 Test 3 Record speed a Set Record speed to 25 mm s b Press Print button when all the parameter signals display normally c Verify the parameter values and waveforms are printed out with 25 mm s d Set Record speed to 50 mm s e Press Print button when all the parameter signals display normally f Verify that the parameter values and waveforms are printed out with 50 mm s 8 Test 4 Wave Record Select a Set Wave Record Select to ECG1 ECG2 via Setup menu b Press Print Button when all the parameter signals display normally c Verify the two ECG waveforms are printed out d
82. of the scale Furthermore the volume of each of these materials varies with time over the cardiac and breathing cycles The variation of the thoracic impedance is caused by the difference between air and blood in the thoracic impedance Blood has relatively low resistivity which varies over the cardiac cycle owing to changing blood volumes in the heart and in the vascular compartment Air on the other hand has high electrical resistivity and hence impedance and it undergoes wide volume changes in the lungs during normal breathing i e the impedance of blood is 150 ohm cm and the one of air is 5000 ohm cm The patient s respiration is detected by using two of the three leads of the ECG electrodes RA and LA or RA and LL and cable The electrical impedance between a pair of electrodes is determined by dividing the voltage difference between the two electrodes by the current that passes between them When the electrodes are placed on the actual structure respective structures change A low level excitation signal is applied to these leads and the variation of the thoracic impedance caused by the breathing is sensed and processed for display and measurement This variation is processed to the voltage value for the measurement In order to transfer the thoracic impedance by a transformer it is used a minimum constant current of the sine wave carrier signal The transferred thoracic impedance is changed to the voltage signal by using bridge circ
83. on detector Filter Lead off detector C dn Photo Lead C A m r pler saturation detector e Instrument Amp Gain Amp RL Lead off detector Filter Driven circuit saturation detector Figure 38 ECG Unit Block Diagram DC 45V 4 SPI Lead Select System Processing Description 87 Respiration unit measures respiration rate data Patient Isolation Eonia Isolation DC 5V Isolation DC 5V Current Sone Source Patient l Connector i High Band Band BR jam wm Pass Rectifier Pass i Pass gt A D gt ere __SPl_ a Filter Filter Filter PIC16C74B Gain control I Figure 39 Respiration Unit Block Diagram SpO unit measures oxygen saturation data Patient Isolation DC 5V Isolation DC 5V 12V p Isolation DC DC gt S3C2440 BE Nellcor i oops SpO module Figure 40 SpO Unit Block Diagram Temperature unit measures temperature data Isolation DC 5V DC 5V lt ___ _ _lsolation DC DC q _ Temperature Probe p Reference Resistor MCU S3C2440 gt gt MSP 4 gt Temperature Probe ep fer pro coulbek p Reference Resistor Patient Isolation Figure 41 Temperature Unit Block
84. or For each condition the measured leakage current must not exceed that indicated in Table 5 Note This test requires a test cable for each patient connector For example the ECG test cable consists of the ECG cable connector with all conductors shorted together connected to a test lead from the electrical safety analyzer Test cables for SpO and temperature can be configured in a similar manner by wrapping each sensor end individually with aluminum foil filled with conductive gel only enough gel to ensure conductivity Attach a wire to the foil that is connected to a test lead from the electrical safety analyzer YM6000 Service Manual Performance Verification 33 Table 5 Patient Leakage Current Values Test Condition Allowable Leakage Current microamps Normal Condition NC 10 SFC Open Supply OS 50 SFC Open Earth SFC OE 50 Normal Condition RM NCRM 10 SFC Open Supply RM SFC OSRM 50 SRC Open Earth RM SFC OERM 50 Patient Leakage Current Mains Voltage on the Applied Part A A WARNING AC mains voltage will be present on the applied part terminals during this test Exercise caution to avoid electrical shock hazard WARNING Do not touch the patient leads clips or the simulator parts connected to patient leads during this test as an electrical shock will occur This test measures patient leakage current in accordance with IEC60601 1 clause 19 for Class I type CF equip
85. or printout of current or tabular trend data The monitor is essentially a battery powered instrument An internal charging unit is designed to accept only an AC line voltage System Block Diagram A Se GUIUNT USER CONTROL POWER UNIT 22 SMPS DC DC usd EtCO2 UNIT PROCESSOR UNIT PRINTER UNIT COMMUNICATION SOUND UNIT UNIT pe e Pe pe e a eS 11 Region 12 Region y ANALOG CONTROL UNIT ONE TEMEERATUR IOP UNIT IBP UNIT SpO2 UNIT L II lll dE Figure 28 System Block Diagram 84 System Processing Description Unit Description Power unit consists of power entry module power supply battery charger battery external DC input and DC DC unit AC 85 260V 50 60Hz Battery NI MH 10cell 9 16V Charged for 12 hours 3800mAh Thermistor 10kohm NTC Charging cut off at 50 C 23 AC on TI AC DC Battery Level 9 19V 0 5A Inrush 1 5A 5V 2 5A Charger 12V 1 7A Inrush 2A DC DC FUSE DC DC On Off Figure 29 Power Unit Block Diagram Processor unit consists of Sams
86. or records a deep discharge cycle when the monitor is automatically turned off after a Critically Low Battery alarm is issued System Software Version This menu displays the revision level of the system software The revision level is also shown on the LCD as part of the Copyright screen Module Version This menu displays information for each module or board version Print Value of Configuration This menu is used to print out the set values This function is useful when collecting a wrong value Tone Set Detail This menu used to set the HR PR tone with High Medium Low or SpO Note The values of Monitor On Time Recorder On Time and Battery Deep Discharges may not be reset but they will be reset to zero when a new CPU module is installed System Test These menus provide to facilitate performing verification testing for the overall system For a detailed procedure refer to Performance Verification section Table 11 System Test Tests Description LCD Test tests the LCD display Alarm Audible Test tests the alarm tones Tone audible Test tests the HR PR tones the key beeps and the completion sounds Backup RAM Clear is used to set the factory defaults YM6000 Service Manual 40 Service Menu and Factory Default Settings NIBP Test These menus provide to facilitate performing verification testing for the NIBP subsystem For a detailed procedure refer to Perfor
87. ovides technical assistance information and replacement parts To obtain replacement parts contact Mediana Refer to the part names and part numbers listed in Spare Parts section YM6000 Service Manual 48 Troubleshooting Troubleshooting Guide Power Problems with the monitor are separated into the categories for further troubleshooting instructions Note Taking the recommended actions discussed in this section will correct the majority of problems you will encounter However problems not covered here can be resolved by calling Mediana Technical Service Department Power problems are related to AC and or Battery as follows If the action requires replacement of the components refer to Disassembly Guide section CAUTION Electrical shock hazard Disconnect a power cord from the monitor before attempting to open or disassemble the monitor 1 When AC power cord is connected to the monitor AC indicator on the front panel is not lit 1 1 Ensure power cord is plugged into the appropriate AC outlet of voltage and frequency 1 2 Replace the power supply assembly 1 3 Ensure the key wire is connected to the key board assembly and the main board If the connection is good replace the key board assembly 2 The monitor fails to power up when the power button is pressed 2 1 Ensure power cord is plugged into operational AC outlet of the appropriate voltage and frequency Ensure AC power indicator is lit If indicator is not lit
88. ows Sphygmomanometer Monitor s Readings 0 mmHg 0 mmHg 50 mmHg 50 6 mmHg 100 mmHg 100 6 mmHg 200 mmHg 200 6 mmHg YM6000 Service Manual Air Leakage Test Performance Verification 25 The air leakage test verifies the integrity of the pneumatic system SERVICE MENU Save Settings On Power Off Back Up Audible Alarm Silence Period 120 s Audible Alarm Suspend Audible Alarm Type lE AC Line Frequency Unit Configuration Language Setting E Date Format Year Month Day Alarm Reminder Tone 3 min System Setting System Test Demo Mode Off EtCO2 Calibration Done iod Indefinite Pressure Sensor Accuracy Tset Air Leakage Test Inflation Speed Test Deflation Speed Test Return MAIN CPU SUB CPU Elapsed Time Leakage Cancel mmHg mmHg 00 04 mmHg mmHg mmHg Figure 9 Air Leakage Test 1 Place the adult cuff with a rigid PVC vessel 5 cm diameter 2 Connect the cuff to the NIBP connector on the monitor s front panel via NIBP cuff hose 3 Rotate the trim knob to select NIBP Test in the service menu and then press the trim knob 4 Rotate the trim knob to select Air Leakage Test and then press the trim knob 5 The result will be displayed on the monitor s screen in four minutes 6 After finishing the test press the trim knob to select Cancel The menu box will disappear If Cancel is selecte
89. pixels do not light 4 1 Check the connection of the main board 4 2 If the problem persists replace the LCD cable 4 3 If the problem still persists replace the main board 4 4 If the problem still persists replace the LCD assembly The followings are symptoms of problems and recommended actions relating to sound If the action requires replacement of a PCB assembly or module refer to Disassembly Guide 1 Alarm sounds for no apparent reason 1 1 Moisture or spilt liquids can cause an alarm not to sound Allow the monitor to dry thoroughly before using 1 2 If the problem persists replace the main board 2 Audible alarm does not sound 3 2 1 Check alarm silence status 2 2 Check alarm volume setting in Setup menu 2 3 Ensure the speaker is connected to the power supply assembly 2 4 If problem persists replace speaker 2 5 Check the main cable between main PCB and the power supply assembly 2 6 If problem persists replace the power supply assembly 2 7 If problem persists replace the main board The monitor responds to button press but key press tone fails to sound 3 1 Check the key beep volume setting in Setup menu 3 2 Ensure speaker is connected to main the power supply assembly 3 3 If problem persists replace speaker 3 4 Check the main cable between the main board and the power supply assembly 3 5 If problem persists replace the power supply assembly 3 6 If problem persists replace the ma
90. porters 6mm from the main board YM6000 Service Manual 68 Disassembly Guide Figure 20 Front Case Disassembly Bracket and Key board Table 22 Part Descriptions Bracket and Key board Part Codes Descriptions T1009 Rubber Key W0115 Key wire P1032 Key board W0117 LCD cable C3 Bracket disassembly 1 Remove 7 screws 3 x 6 on the bracket 2 Separate the bracket from the front case assembly C4 Key board disassembly 1 Remove the rubber key from the key board 2 Remove 5 screws 3 x 6 on the key board 3 Remove the key board from the bracket 4 Remove the key wire form the key board YM6000 Service Manual Disassembly Guide 69 T4112 M4022 Figure 21 Front Case Disassembly sLCD and Bracket Table 23 Part Descriptions LCD and Bracket Part Codes Descriptions M4022 LCD T4112 Bracket C3 1 LCD disassembly 1 After step C3 remove 4 screws 3 x 6 on the LCD 2 Remove the LCD from the bracket YM6000 Service Manual 70 Disassembly Guide TO115 T0097 Figure 22 Front Case Disassembly Knob LCD window Encoder assembly and Connectors Table 24 Part Descriptions Knob LCD window Encoder assembly and Connectors Part Codes Descriptions T0096 Front case T0100 Knob T0115 LCD window X1012 Encoder board assembly W0126 Encoder wire T0097 LCD guide T0098 Alarm LED window T0099 Power LE
91. power OFF ON has no effect it is possible that a fault has occurred Cease use immediately CAPNO Sensor error The connector may be damaged or a fault may have occurred within the gas unit or main unit Cease use immediately SYSTEM Critically low Connect the AC power cord of the monitor to the AC main to battery condition recharge the battery SYSTEM Real time clock Reboot the monitor If the problem persists cease use error immediately and contact qualified service personnel or your local supplier SYSTEM WDT error Reboot the monitor If the problem persists cease use immediately and contact qualified service personnel or your YM6000 Service Manual Troubleshooting 57 Alarm Messages Check Items local supplier SYSTEM RAM error Reboot the monitor If the problem persists cease use immediately and contact qualified service personnel or your local supplier SYSTEM Failure Reboot the monitor If the problem persists cease use immediately and contact qualified service personnel or your local supplier ECG Check ECG leads amp electrodes ECG error is detected Electrodes or lead wires may not be correctly attached or a circuit is possibly saturated due to offset voltage Check whether electrodes are correctly attached and electrodes are new and wet Confirm the patient s skin is clean label Cable Sensor disconnected Cable not connected to the main un
92. printed in this service manual and the operator s manual part number A7076 Related Documents To perform test and troubleshooting procedures and to understand the principles of operation and circuit analysis sections of this manual you must know how to operate the monitor Refer to the monitor operator s manual part number A7076 To understand the various SpO sensors ECG leads blood pressure cuffs and temperature probes that work with the monitor refer to the individual directions for use that accompany these accessories Intended Use for the YM6000 Monitor The YM6000 monitor is intended to be used to monitor electrocardiography heart rate pulse rate noninvasive blood pressure systolic diastolic and mean arterial pressures functional arterial oxygen saturation invasive blood pressure respiration capnography EtCO and InCO and temperature for adult pediatric and neonate patients in all areas of a hospital and hospital type facilities Monitor users should be skilled at the level of a technician doctor nurse or medical specialist Note Hospital use typically includes such areas as general care floors operating rooms special procedure areas intensive and critical care area within the hospital Hospital type facilities include physician office based facilities sleep labs skilled nursing facilities surgicenters and sub acutecenters Identifying the YM6000 monitor Configurations The following table identifi
93. r System Processing Description 91 SYSTOLIC PRESSURE Mean difference MD 0 mmHg 20 Standard deviation SD 6 mmHg E mean 2 SD REA mean nanan lnm ea 2 SD Difference between test and reference methods mmHg o i i 100 120 140 160 180 200 Average of test and reference methods mmHg EXAMPLE Agreement between test and reference methods for systolic pressurdHypothetical data SpO Processing Pulse oximetry works by applying a sensor to a pulsating arteriolar vascular bed The sensor contains a dual light source and photodetector Bone tissue pigmentation and venous vessels normally absorb a constant amount of light over time The arteriolar bed normally pulsates and absorbs variable amounts of light during systole and diastole as blood volume increases and decreases The ratio of light absorbed at systole and diastole is translated into an oxygen saturation measurement SpO Because a measurement of SpOz is dependent upon light from the sensor excessive ambient light can interfere with this measurement Pulse oximetry is based on two principles that oxyhemoglobin and deoxyhemoglobin differ in their absorption of red and infrared light spectrophotometry and that the volume of arterial blood in tissue and hence light absorption by that blood changes during the pulse plethysmography The monitor determines SpO by passing red and infrared light into
94. replace the power supply assembly 2 2 Check fuses located on the power supply assembly above AC inlet receptacle Replace fuses if necessary 2 3 Inside monitor check the main cable and ensure that it is connected to the main board and the power supply assembly 2 4 Ensure the key board assembly is connected to the main board If connection is good replace the key board assembly 2 5 If the problem persists replace the main board 3 The monitor turns on then sounds an alarm and shuts off and no error code is displayed 3 1 Replace the main board YM6000 Service Manual Display Troubleshooting 49 4 The monitor does not operate when disconnected from AC power 4 1 The battery may be discharged To recharge the battery connect a power cord to AC mains over 12 hours refer to Battery charge in Performance Verification section Note DC power should not charge the battery The monitor may be used with a less than fully charged battery but with a corresponding decrease in operating time from that charge The battery may be defective 4 2 If problem persists replace battery fuse on the power supply assembly 4 3 Inside monitor check the main cable and ensure that it is connected to the main board and the power supply assembly 4 4 If the problem persists replace the main board 5 Battery does not charge 5 1 If the battery fails to hold a charge replace the battery as indicated in Battery Replacement 5 2 Ope
95. rge Power On Self Test 1 Connect the monitor to AC power source and verify that AC indicator is lit 2 Observe the monitor s front panel With monitor off press Power button The monitor must perform the following sequence a The monitor progresses the check sum for the flash memory and displays the bar while the check sum is proceeding When the check sum completed the bar is filled and then Mediana logo appears for a few seconds with version numbers of the software and the copyright in lower left corner of display The monitor emits the high pitched beep Visual alarm Indicator red on the top of the front panel AC indicator green and battery charging status indicators A and B green on the right top of the front panel are illuminated Upon successful completion of power on self test display will be in normal monitoring screen configuration Note Power on self test takes approximately 3 seconds to complete No vital signs numeric values or waveforms will be displayed Note During the monitor s power on self test the integrity of all programming is checked first If software testing is successful hardware tests are initiated If all testing is successful the monitor is ready for use If an error code is displayed please refer to Troubleshooting section YM6000 Service Manual Performance Verification 17 General Operation Tests Alarms and Alarm Silence 1 Connect the monitor to an AC power so
96. s The battery charge and battery discharge test should be performed before monitor repairs whenever the battery is suspected as being a source of the problems All other tests may be used following repairs or during routine maintenance if required by your local institution Before performing the battery discharge test ensure that the battery is fully charged This section is written using factory defaults set as power up If your institution has preconfigured custom defaults those values will be displayed Power GONE A G2 XID ss Battery Charge 4 Connect the monitor to AC power source using proper power cord Verify that AC indicator is lit Press Power button over 1 second to turn on the monitor Verify that the monitor is turned on and that Power on indicator is lit After the monitor operates in normal mode disconnect the power cord Verify that Battery status icon appears on the screen instead of lighting AC indicator Press Power button over 1 second and then verify that the monitor is turned off Connect the monitor to AC power source using a proper power cord Verify AC indicator is lit Charge the battery fully until Battery charging status indicator A and B is no more flashing It takes for at least 12 hours To check for a full charge perform the procedure in paragraph Battery Discharge Note The battery may require a complete charge discharge cycle to restore its normal capacity depending on i
97. sor slowly Verify as LED approaches the optical sensor that the LED intensity decreases 8 Open the sensor and notice that the LED intensity increases 9 Repeat step 7 and intensity will again decrease This variation is an indication that the microprocessor is in proper control of LED intensity 10 Press Power button to turn off the monitor Restoring Power On Default Settings The following test procedures will verify that alarms are activated at the level of factory default alarm limits and that any changed settings are saved and in effect when the user changes alarm limit settings and saves the current settings as a power default Table 2 Parameter Alarm Limit Factory Defaults Factory Defaults Adult Pediatric Neonatal HR PR High Alarm Limits 120 BPM 160 BPM 200 BPM HR PR Low Alarm Limits 50 BPM 70 BPM 100 BPM NIBP SYS High Alarm Limits 160 mmHg 120 mmHg 90 mmHg NIBP SYS Low Alarm Limits s 9 mmHg 70 mmHg 40 mmHg NIBP DIA High Alarm Limits 9 mmHg 70 mmHg 60 mmHg NIBP DIA Low Alarm Limits 50 mmHg 40 mmHg 20 mmHg NIBP MAP High Alarm Limits 110 mmHg 9 mmHg 70 mmHg NIBP MAP Low Alarm Limits 60 mmHg 50 mmHg 30 mmHg SpO High Alarm Limits 100 100 95 96 SpO Low Alarm Limits 90 96 90 96 80 96 IBP1 2 SYS High Alarm Limits 160 mmHg 120 mmHg 90 mmHg IBP1 2 SYS Low Alarm Limits 90 mmHg 70 mmHg 40 mmHg IBP1 2 DIA High Alarm Limits 90 mmHg 70 mmHg 60 mmHg IBP1 2 DIA Low Alar
98. sts cease use immediately and contact qualified service personnel or your local suppler RESP Internal error Reboot the monitor If the problem persists cease use immediately and contact qualified service personnel or your local suppler label Loss of pulse Check the condition of the patient and fitting of the transducer and cable and measure again IBP Internal error Verify that the IBP module is correctly installed after the BP S510 is powered off If the problem persists reboot the monitor SpO Loss of pulse Signal obtained from sensor is weak SpO could not be measured There may be a problem with fitting of the SpOz sensor or blood flow at the sensor site may be unsatisfactory Check the condition of the patient and fitting of the sensor and measure again SpO Internal error A problem with the SpO measurement has been detected The SpO measurement function does not operate If switching power OFF ON has no effect it is possible that a fault has occurred Stop using the monitor immediately and contact qualified service personnel or your local supplier TEMPfn Internal error An internal circuit fault has been detected If switching power OFF ON has no effect itis possible that a fault has occurred in the monitor Cease use immediately CAPNO Internal error A problem with the capnography measurement function has been detected The capnography measurement function does not operate If switching
99. the leakage current between the foil and earth Note The analyzer leakage current indication must not exceed the values listed in Table 4 YM6000 Service Manual 32 Performance Verification Table 4 Enclosure Leakage Current Test Condition Allowable Leakage Current microamps Normal Condition NC 100 SFC Open Supply OS 500 SFC Open Earth SFC OE 500 Normal Condition RM NCRM 100 SFC Open Supply RM SFC OSRM 500 SFC Open Earth RM SFC OERM 500 Patient Leakage Current This test measures patient leakage current in accordance with IEC60601 1 clause 19 for Class I Type CF equipment Patient leakage current in this test is measured from any individual patient connection to earth power ground 1 Configure the electrical safety analyzer as recommended by the analyzer operating instructions 2 Connect the monitor s AC mains power cord to the analyzer as recommended by the analyzer operating instructions 3 Connect the ECG test cable between the ECG connector on the monitor and the appropriate input connector on the analyzer 4 Turn on the monitor 5 Perform the patient leakage current test as recommended by the analyzer operating instructions 6 Repeat the patient leakage current test for the SpOz and temperature patient connections using the appropriate test cables Note Patient leakage current is measured under various conditions of the AC mains and protective earth conduct
100. the monitor is not blocked or kinked 2 2 If problem persists replace the NIBP module 2 3 If problem persists replace the main board 3 The NIBP value is not reliable 3 1 Perform the pressure sensor accuracy test and air leakage test 3 2 If problem persists replace the NIBP module YM6000 Service Manual 52 Troubleshooting SpO Temperature Respiration The following are symptoms of problems relating to SpO functions and recommended actions If the action requires replacement of a PCB or module refer to Disassembly Guide 1 The SpO sensor does not light 1 1 Ensure the connection between the sensor and extension cable is not loose If the connection is good replace the SpO module 1 2 If problem persists replace the main board 2 The SpO sensor is lighting but no display on SpO screen 2 1 Replace the SpOz module 2 2 If problem persists replace the main board The following are symptoms of problems relating to Temperature functions and recommended actions If the action requires replacement of a PCB or module refer to Disassembly Guide 1 The measurement values are too low 1 1 Check the temperature probe is properly located at patient s body 2 TEMP 1 or 2 Internal error is displayed 1 1 Replace the main board The following are symptoms of problems relating to Respiration functions and recommended actions If the action requires replacement of a PCB or module refer to Disassembly G
101. the tolerance of the simulator to the acceptable range of readings NIBP Operation WARNING A blood pressure cuff connected to the monitor should never be applied to a human subject while the monitor is in the pressure test mode as injury could result These tests verify the functionality of the monitor s pneumatic system The monitor must be placed in Service menu For a detailed explanation to access the service menu refer to Service Menu and Factory Default Settings section 1 Rotate the trim knob to select NIBP Test in the service menu and then press the trim knob Note Before accessing the NIBP Test mode ensure that current patient mode is proper for the pneumatic system to be test You can set Patient mode Adult Pediatric or Neonatal via the setup menu Note In the NIBP Test mode no function button will have no effect except the trim knob All the tests will start to be performed by pressing or rotating the trim knob If you would like to stop the test during test progressing press the trim knob Note Inflation Speed Test and Deflation Speed Test are intended for factory use only YM6000 Service Manual 24 Performance Verification Pressure Sensor Accuracy Test SERVICE MENU Pressure Sensor Accuracy Tset Air Leakage Test Inflation Speed Test Save Settings On Power Off B Audible Alarm Silence Period Audible Alarm Suspend Period Audible Alarm Type 1EC60601 1 AC Line Frequency 60Hz Unit Co
102. ton is pressed NIBP Cuff insufficient Measurement failed because of insufficient pressurizing There is YM6000 Service Manual Troubleshooting 55 Alarm Messages Check Items pressure C14 a possibility that standard cuff pressure might be detected wrongly due to noises motion artifact or external vibration Check whether cuffs are not wrapped around thick clothing whether the patient is moving and whether cuffs are free from outside vibrations then measure again When it occurs in the initial measurement in continuous mode the second measurement will start unless Stop button is pressed NIBP Cuff irregular pulses C15 Blood pressure could not be measured because oscillation graph was not normal There is a possibility that motion artifact or vibration from outside might interrupt the measurement Check whether the patient stays still and cuffs are free from external vibration then measure again When it occurs in the initial measurement in continuous mode the second measurement is continued unless Stop button is pressed NIBP Cuff motion artifact C16 Blood pressure could not be measured because noises interrupted pulse waveform signal Check for motion artifacts or external vibration and then measure again When it occurs in the initial measurement in continuous mode the second measurement will start unless Stop button is pressed NIBP Cuff time out C17 Measurement was pr
103. ts previous usage Battery Discharge 1 2 Disconnect the power cord from the monitor with fully charge battery Turn on the monitor by pressing Power button over 1 second Verify Battery status icon appears at bottom of the screen after power on self test is completed The bar in battery status icon should be filled indicating battery is charged Connect SpO simulator to monitor via the SpO extension cable Connect NIBP simulator to the monitor via Mediana hose Set SpO simulator as follows SpO of 90 and pulse rate of 60bpm Set NIBP simulator to simulate pressure setting of 120 80 mmHg and heart rate of 80bpm Set NIBP Automatic mode interval of the monitor to 15 minutes The monitor must operate for 1 hour with one fully charged battery The monitor must operate for at least 15 minutes before the monitor powers down due to low battery condition 10 Verify that low priority audible alarm occurs and a warning message low battery is displayed about 15 minutes before battery fully discharges YM6000 Service Manual 16 Performance Verification 11 Allow monitor to operate until it automatically powers down due to low battery condition Verify that high priority audible alarm occurs and a warning message Critically low battery is displayed about 5 minutes before monitor automatically shuts down 12 If monitor passes this test immediately recharge battery paragraph Battery Cha
104. turning on the monitor 1 2 Please go to the Main screen of setup icon and set the display window to 6 ch Wave 1 3 Check the accessory is properly connected to the monitor and measurement circuit 1 4 If the problem persists replace the EtCO accessories 1 5 If the problem persists replace the EtCO module YM6000 Service Manual 54 Troubleshooting Firmware Download If the error code appears during the firmware downloading take the following action Table 16 Firmware Downloading Error Codes Code Description Action 1 1 3 E 1 3 When an error is occurred Check the LAN cable and settings during transferred data then Retry boot download 1 2 3 E 2 3 When an error is occurred Check the LAN cable and settings during transferred of data then Retry boot download E 1 5 When an error is occurred Retry boot download during recorded data E 2 5 When an error is occurred Retry main download during recorded data E 1 7 When the data is broke down Retry boot download during boot download E 2 7 When the data is broke down Retry main download during main download Note If the Error Code still appears take monitor out of service and contact Mediana Technical Service Department for advice on remedial action Technical Alarm Conditions When the monitor detects the technical alarm condition the monitor will display the alarm message on the screen If the alarm message occurs follow the c
105. tween 0 0 0 3 with well ventilated room air e Proceed with the zero gas phase of the calibration as defined by the host system f Disconnect the CO scrubber or gas source from the water trap after the zero gas calibration YM6000 Service Manual 30 Performance Verification To perform the Two Points User Calibration a b C Select a well ventilated room to perform the calibration Let the monitor run for at least 5 minutes prior to calibration For the Sample Zero Reference Gas step attach the CO scrubber to the water trap inlet according to the CO scrubber Directions for Use or use a 0 medical grade gas source Proceed with the zero gas phase of the calibration as defined by the host system Disconnect CO scrubber or 0 gas source from the water trap after the zero gas phase and prior to the next calibration step For the Sample Span Reference Gas phase of the calibration provide a medical grade gas source with a known CO concentration between 876 and 12 regulated to a pressure between 5 and 7 psi Introduce a steady stream of CO gas Set and monitor the flow rate to approximately 1 liter minute 10 To verify flow place the bleed line of the calibration sample line in a glass of water If bubbles emerge gas supply is sufficient If no bubbles emerge there is an insufficient supply of gas Connect a sample line from the sample elbow or Tee as shown above to the monitor s water tr
106. uide 1 Respiration signal imRR is noisy or the value is not displayed 1 1 Ensure ECG accessories are connected properly or the electrode is not contaminated 1 2 If problem persists replace the ECG board 1 3 If problem persists replace the main board 2 The monitor does not measure the respiration awRR 2 1 Ensure the hose inside the monitor 2 2 If problem persists replace the EtCO module 2 3 If problem persists replace the main board YM6000 Service Manual IBP EtCO Troubleshooting 53 The following are symptoms of problems and recommended actions relating to IBP functions If the action requires replacement of a PCB assembly refer to Disassembly Guide 1 The ABP and CVP window does not exist on the LCD 1 2 Please go to the Main screen of setup icon and set the display window to 6 ch Wave 2 The IBP values are erroneous 2 3 Check the IBP accessories connection between patient and each end 2 4 Ensure the Pressure Zero setting is done or perform the Pressure Zero setting at IBP menu 2 5 If the problem persists replace the IBP accessories 2 6 If the problem persists replace the IBP board The following are symptoms of problems and recommended actions relating to EtCO functions If the action requires replacement of a PCB assembly refer to Disassembly Guide 1 The EtCO is not displayed at LCD 1 1 Please remind that it takes 3 minutes to warm up the EtCO module after
107. uit and differential amplifier Then ECG signal is removed by filter and carrier frequency is removed by full wave rectifier and filter in order to extract only thoracic impedance in amplifying at the definite level of signal This extracted thoracic impedance signal is used to measure the respiration by digital signal processing Temperature Processing Measurement of patient temperature is accomplished by processing the signal from a probe containing a resistor whose resistance is temperature dependent The class of such components is called thermistor Temperature measurement used by the YM6000 monitor based on a thermistor whose resistance is inversely proportional to its temperature By measuring the thermistor s resistance its temperature can be calculated The resistance of the thermistor is measured by passing a current through it and measuring the voltage developed across it The YM6000 monitor is designed to accept the signals from electrically isolated a range of temperature probes from YSI 400 series The probes may be used for skin or rectal temperature measurement Probes are furnished with a standard 10 feet lead extension leads are available The signal from the probe is conditioned by the monitor input circuitry processed and used to drive the numeric display 94 System Processing Description Invasive Blood Pressure Processing The pressure transducer is connected to a pressure line which by means of a catheter is inv
108. unction Note The pin layouts and signal descriptions are included in the operator s manual For the detailed information regarding the Nurse Call refer to Nurse Call Interface section of the operator s manual YM6000 Service Manual 22 Performance Verification Measurement Parameter Operation Tests ECG Operation 1 2 9 4 5 Oo Press Power button to turn on the monitor Connect 3 ECG leads to appropriate jacks on ECG simulator Connect leads to Mediana ECG cable Connect Mediana ECG cable to ECG connector on the monitor s front panel Set ECG simulator as follows Heart rate 30 bpm Amplitude 1 millivolt Lead select II Normal sinus rhythm Adult mode After normal power up sequence verify that the following monitor reactions After about 15 seconds the monitor displays a heart rate of 30 3 bpm Verify that audible alarm sounds and that HR Lower limit violated message displays on the message area Verify that the HR PR numerical area flashes and that the heart rate is below default low alarm limit medium priority alarm Increase the heart rate setting on ECG simulator to 240 bpm After about 15 seconds verify the monitor displays heart rate of 240 3 bpm Verify that audible alarm sounds and that HR Upper limit violated message displays Verify that the HR PR numerical area flashes and that the heart rate is above default high alarm limit medium priority alarm Decrease the
109. ung S3C2440 CPU SDRSM Boot ROM and Flash Data Boot Source program Trend setup data SDRAM a Flash Memory pat UART a Communication data l1 i UART SpO2 PNE 4 P IOP Unit Coin Cell pe battery LVDS LCD Controller M Transmitter S3C2440 A D ARM9 MCU EP converter Watch Dog Timer GPIO gt Control Signal K4 Status Input RTC Figure 30 Process Unit Block Diagram User control unit consists of trim knob 6 functional button optical encoder power on indicator LED AC indicator LED and battery charging status indicator LED Buttons 3C2440 Processor Unit general purpose port Optical Encoder with 3C2440 Processor Unit external interrupt Push Button Figure 31 User Control Unit Block Diagram System Processing Description 85 e Sound unit consists of 8bit PIC micom 2 channel amplifiers and speaker RS 232 VOutR L Alarm sound ARM9 MCU interface PIC16F73 Audio S3C2440A VOutL Amplifier Pulse tone sound Figure 32 Sound Unit Block Diagram Communication unit 4 channel UART Asyncronous Serial Communication with NIBP Unit ra S3C2440A System BUS Asyncronous Serial Communication with Analog Control Unit ex gt UART P i TL16C554A Asyncronous Serial Communication with Printer U
110. urce 2 Press Power button to turn on the monitor 3 Connect SpO simulator to sensor input cable and connect cable to monitor 4 Set SpO simulator as follows SpO of 75 and pulse rate of 60bpm 5 Verify following the monitor reaction a Pulse bar begins to track artificial pulse signal from SpO simulator b After about 10 to 20 seconds the monitor displays saturation and pulse rate as specified by simulator Verify values are within following tolerances Tolerance of Oxygen Saturation 2 e Tolerance of Pulse Rate 3bpm c Audible alarm sounds and SpO2 Lower limit violated message will be displayed and SpOz numerical area will flash indicating the parameter has violated default alarm limits 6 Press Alarm silence suspension button on the monitor front panel Audible alarm is temporarily silenced 7 Verify the following a Anaudible alarm remains silenced b Alarm silence icon appears in SpOz numerical area on display c SpO display continues flashing d Audible alarm returns in approximately 120 seconds HR PR Tone Volume Control 1 Press Power button to turn on the monitor 2 Connect SpO simulator to sensor input cable and connect cable to monitor 3 Set SpO simulator as follows SpO of 75 and pulse rate of 60bpm 4 Verify SpO and pulse rate values are correctly displayed 5 Press Alarm silence suspension button on front panel of the monitor to temporarily silence audible alar

SERVICE MANUAL - Frank`s Hospital Workshop

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