Welch Allyn Medical Diagnostic Equipment Thermometer 692 User's Manual
Contents
1. 2 1 5 Batteries The Model 690 and 692 thermometers use three standard alkaline AA batteries which provide longer life than standard AA batteries No battery charging is available The thermometer display will indicate when the batteries need replacement 2 1 6 Wall Mount The wall holder is easily secured to a wall A locking mechanism with a removable key for securing the instrument is standard on the Model 692 Thermometer and is available as an option for the Model 690 Through the use of available long cord probes the thermometer may be used without removing it from the wall holder 71221 0000 Rev H 2 2 Model Features Features of the SureTemp Plus Thermometer models 690 and 692 are listed below Table 2 1 Feature differences between Models 690 and 692 Feature Model 690 Model 692 Probe Cover Storage X X F C Conversion X X Last Temperature Recall X X Monitor Mode X X Detachable Probe X X Oral Axillary Rectal Modes on Each X X Thermometer Color Coded Removable Probe Well X X Wall Holder Optional Standard Pulse Timer X Backlight X Security Electronic X On Screen Labeling for Instrument X Identification 2 3 Operating Features 2 3 1 Instrument Reset To perform a reset 1 Remove the batteries from the instrument to reset the internal microprocessor electronics Follow the battery removal instructions in the Preventive Maintenance section page 14 2 Remove the probe and the pr2. Verify your Biotech Mode settings page 11 to verify your device is configured properly If the device accuracy is in question refer to the Calibration section on page 16 If the above two tests do not help or cannot be done read through the following to help diagnose the unit Types of Errors Error indications fall into five major categories 4 1 1 Battery Indications Battery error occurs when the instrument detects the following Table 4 1 Battery Indications Display Error Indication Battery below Blinking battery frame b on main i operational range display arrow pointing down r 1 lt 3 00v Battery above Blinking battery frame b on main l A operational range display arrow pointing up m AA gt 5 375v Battery Low Single blinking battery segment in Warning battery indicator q A 30v amp 34v Battery levels Gradual decline in number of segments showing in battery Ii 4A indicator 4 1 2 Ambient Temperature Out of Range Ambient Temperature errors occur when the ambient probe temperature is above 104 0 F or below 50 0 F During an ambient temperature error the A display in the temperature number field shows a capital A followed by a Tm V l blinking up or down arrow and a blinking thermometer bulb i Sure Temp Plus Service Manual 4 1 3 Patient Temperature Out of Range Patient Temperature Out of Range errors occur when the patient temperature is above 110 0 F or
3. WARNING DO NOT use hard or sharp objects to clean the probe well This could damage the probe well and cause the unit to not function properly WARNING DO NOT use steam heat or gas sterilization on the thermometer or probe DO NOT autoclave the probe well Thoroughly dry all surfaces before re assembling the instrument Re connect the latching probe connector to the thermometer Ensure that the connector snaps into place Re install the probe well in the thermometer and snap the probe well into place Insert the probe into the well 3 5 Replacing the Batteries 5 6 Remove the box of probe covers from the probe cover storage compartment on the back of the unit Remove the probe and the probe well Press inward on the textured grips on each side of the assembly to remove the battery door from the back of the unit Remove the three AA 1 5Vdc alkaline batteries and replace all three batteries with AA 1 5 Vdc alkaline batteries Match the polarity of each battery to the symbols inside the battery compartment WARNING Use size AA 1 5 Vdc alkaline batteries only Use of any other battery size or type could damage the thermometer and cause personal injury Snap the probe cover storage assembly back into place Replace the probe and probe well Note Remove the batteries if the instrument is not used for an extended period of time to avoid possible damage to the thermometer due to battery leakage SureTem
4. Service Manual SureTemp Plus Model 690 and 692 Thermometers Part No 71221 0000 Rev H 2012 Welch Allyn All rights are reserved To support the intended use of the product described in this publication the purchaser of the product is permitted to copy this publication for internal distribution only from the media provided by Welch Allyn No other use reproduction or distribution of this publication or any part of it is permitted without written permission from Welch Allyn Welch Allyn assumes no responsibility for any injury to anyone or for any illegal or improper use of the product that may result from failure to use this product in accordance with the instructions cautions warn ings or statement of intended use published in this manual Welch Allyn and SureTemp Plus are trademarks of Welch Allyn Inc All rights reserved CaviCide is a registered trademark of Metrex Research Corporation 800 841 1428 Printed in the USA U S Patent 5 632 555 6 000 846 6 036 361 and 6 971 790 Additional U S and foreign patents pending AGENCY APPROVALS CERTIFIED TO CAN CSA STD C22 2 NO 601 1 S p CONFORMS TO IEC 60601 1 60601 1 2 UL STD 2601 1 C US 166292 wacanwevm EMC Framework of Australia 5 38 46 SOUTH STREET RYDALMERE NSW 2116 N 344 AUSTRALIA The CE mark on this product indicates that the product has been tested to C and conforms with the provisions noted within the 93 42 EEC Medical 0297
5. 20 minutes Stabilization from lower temperature to higher temperature requires about four 4 minutes 3 Wait for the Ready or green light to come on and stay on This should take about six 6 minutes 4 Remove the probe from the well and clean it with either a 70 isopropyl alcohol solution a 10 chlorine bleach solution or a non staining disinfectant Let the probe air dry Do not apply a probe cover Place the thermometer in Monitor Mode Refer to the thermometer s Operator s Manual 5 Lift the rubber flap on the 9600 and insert the probe fully into the small hole on top of the 9600 6 Wait 2 minutes for the probe temperature to fully stabilize The temperature should read between 96 1 F 35 6 C and 96 7 F 36 0 C 7 Remove the probe from the small hole on top of the 9600 and replace it in the probe well Change the temperature setting to the 106 F 41 1 C setting 9 Wait for the Ready or green light to come on and stay on This should take about four 4 minutes 10 Pull the probe from the well but do not load a probe cover Place the thermometer in Monitor Mode Refer to the thermometer s Operator s Manual 71221 0000 Rev H 11 Lift the rubber flap on the Model 9600 Calibration Tester and insert the probe fully into the small hole on top of the tester 12 Wait two 2 minutes for the probe temperature to fully stabilize 13 The temperature should read between 105 7 F 40 9 C and 106 3 F 41 3 C 3
6. E4 3 Device EEPROM save Verify that the batteries are fresh failure If the problem persists contact Welch Allyn Customer Care E4 4 Device EEPROM starting Verify that the batteries are fresh handshake failure If the problem persists contact Welch Allyn Customer Care E4 5 Device EEPROM response Verify that the batteries are fresh failure If the problem persists contact Welch Allyn Customer Care E4 6 Transmit failure to the Verify that the batteries are fresh Device EEPROM If the problem persists contact Welch Allyn Customer Care E4 7 Cant initialize the device If the problem persists contact Welch Allyn Customer Care EEPROM E4 8 Device was not calibrated Replace the device with a calibrated device E5 0 Heater is not working Try another cycle properly If the problem persists contact Welch Allyn Customer Care 20 Sure Temp Plus Service Manual Table 4 2 Error Codes Troubleshooting Description Troubleshooting Steps E5 2 Heater fail safe failure Contact Welch Allyn Customer Care 23 Host Interface Error Try another predict cycle If the problem persists contact Welch Allyn Customer Care 26 Invalid SureTemp mode Try another predict cycle If the problem persists contact Welch Allyn Customer Care 29 Battery Voltage Is Not Set Try another predict cycle If the problem persists contact Welch Allyn Customer Care 30 Prediction mode Is Not Set Try another predict cycle If the problem persists contact
7. below 80 0 F During this error the entire body head torso and legs displays by blinking with a solid up or down arrow and a thermometer bulb lt gt 4 1 4 Probe Errors The probe or probe connector can generate errors Probe errors are displayed as a probe with an X through it and an error code in the set temperature field In most cases this will represent a broken probe that needs replacing and the code will tell what error was detected Temperature measuring is prohibited until the error is cleared 4 1 5 Instrument Errors Instrument Circuitry errors are generated from internal test failures Instrument errors are displayed as an instrument with an X through it and an error code in the temperature field In most cases this will represent a broken instrument that needs replacing and the code will tell what error was detected Error code numbers are available in Biotech mode under Error Log see page 11 71221 0000 Rev H 19 Table 4 2 Error Codes Troubleshooting 4 1 6 Error Codes Troubleshooting The following table describes the error codes displayed on the thermometer their corresponding descriptions and the actions to take to correct the error If the unit fails to operate properly after completing the suggested procedure listed in the following table contact Welch Allyn Customer Care at 1 800 535 6663 Description Troubleshooting Steps E0 1 Excessi
8. for an extended period should have the following maintenance performed every 12 months 1 Remove the batteries before storage 2 Reinstall the batteries and perform the Power On Self Test and Model 9600 or 9600 Plus Calibration Testing procedure found in the Model 9600 or 9600 Plus Operation Manual before use Cleaning 3 4 1 Cleaning the Thermometer and Probe Wipe the thermometer regularly with a cloth dampened with warm water and a mild detergent solution As needed clean the thermometer and probe with a 7096 isopropyl alcohol solution a 10 chlorine bleach solution or a non staining disinfectant WARNING DO NOT immerse or soak the thermometer or probe in any type of fluid WARNING DO NOT use steam heat or gas sterilization on the thermometer or probe DO NOT autoclave the thermometer or the probe 71221 0000 Rev H 3 4 2 Cleaning The Removable Probe Well Remove the probe well from the unit Unplug the latching probe connector to prevent the device from consuming battery power while you are cleaning the probe well Clean the inner surface of the probe well by swabbing the surface with a cloth dampened with a mild detergent solution or a 7096 isopropyl alcohol a 1096 chlorine bleach solution or a non staining disinfectant Clean the probe well s outer surface by swabbing or wiping the surface with one of the solutions mentioned above Immerse the probe well in mild detergent solution as necessary for cleaning
9. in a circulating water bath Note The instrument will shut off automatically if the probe temperature remains below 26 7 C 80 0 F or above 43 3 C 110 0 F for more than 5 minutes Sure Temp Plus Service Manual 9 2 3 6 Pulse Timer Mode Model 692 only Pulse Timer mode is activated from Low Power or Recall mode by pressing the Pulse Timer button The display will then count up in seconds and the unit will emit an audio beep at 0 15 30 45 and 60 seconds Pulse Timer mode terminates automatically after 60 seconds The thermometer then returns to Low Power mode The Pulse Timer can be stopped at any time during the 0 60 count by pressing the Pulse Timer button a second time Pressing the Recall button connecting a probe or removing the probe from the probe well will also terminate the pulse timer 2 3 7 Backlight Model 692 only A backlight is provided by two high efficiency amber LEDs each supplied by a separate ballast resistor The backlight is turned on automatically in any mode except Low Power mode and remains on The backlight will automatically shut off when the unit goes into Low Power mode 2 3 8 Horn The horn is a miniature piezoelectric speaker which produces the audible tones that signal significant warning events to the user The following audible signals will be played by the thermometer Table 2 2 Sure Temp Plus Audible Signals Signal Description Sound POWER ON Batteries are
10. inserted in the device Charge up sound Sound starts at a low frequency increases in frequency gets shorter in duration between each frequency POWER OFF Battery level is too low and the unit is shutting Charge down sound or losing power sound down Sound starts at a high frequency decreases in frequency gets longer durations between each frequency COMPLETE Successful completion of a predict Three quick beeps temperature or pulse timer OK Start of Pulse Timer Recall or Monitor mode Two quick beeps OK Auto Monitor mode One long beep ERROR Final temperature in error or Error mode Two long beeps CONFIRM Any button press One medium length beep PULSE Pulse Timer 15 second sound One quick beep SECURITY Security State i e device removed from Continuous series of beeps security holder while security enabled and instant on ON READY When probe is ready to insert into mouth not One medium length beep when probe removed from well 10 71221 0000 Rev H 2 3 9 F C Conversion The temperature switches to F or C scale by pressing and releasing the C F button The default temperature scale can be set to F or C in the biotech mode A temperature must be displayed on the screen to switch between F and C 2 3 10 Temperature Recall This mode displays the most recently completed predicted temperature Whenever the instrument is in Low Power or Pulse Timer mode pressing and releasing the Recall button on the front panel will caus
11. on the probe and mode selected It will also display C or F In the upper left hand corner the ID will be displayed if one has been set Model 692 only and in the lower right hand corner the battery icon will be displayed At the same time that the mode is displayed a short beep will sound 2 To change between the Oral Adult Axillary and Pediatric Axillary modes press and release the Mode button Observe that the display changes between ORAL ADULT AXILLARY and PED AXILLARY when the Mode button is pressed and released 3 When the correct mode has been selected load a probe cover and take a temperature Note It is possible that the walking segments will start and stop several times before the probe is inserted into the temperature site This is acceptable and will not adversely affect the temperature taken 71221 0000 Rev H 2 3 5 Monitor Mode The Monitor mode provides continuous temperature monitoring capability The recommended wait time for a Monitor mode oral temperature and a Monitor mode rectal temperature is 3 minutes The recommended wait time for a Monitor mode axillary temperature is 5 minutes The thermometer will automatically switch to Monitor mode under the following conditions 1 If 60 seconds have passed since the thermometer was removed from the probe well 2 If the instrument determines that room temperature is above 34 2 C 93 5 F 3 Ifthe thermometer is unable to predict an oral or axillary temperature
12. probe air dry for at least five minutes Do not apply a probe cover Place the thermometer in Monitor Mode Refer to the thermometer s Operator s Manual 5 Rotate the dust cover down so the Thermistor Device Port is open available leaving the Ear Device Port covered and insert the probe fully into the small hole on top of the Model 9600 Plus Calibration Tester 6 Wait for approximately one minute or until temperature on the thermometer is stable for ten seconds Compare the thermometer s temperature reading to the 9600 Plus calibration set point temperature If the temperatures are within 0 1 C 0 2 F the thermometer is within calibration 7 Remove the probe from the probe well and place back into the thermometer probe well 8 Test all available thermometers for calibration verification at the current calibration set point temperature Proceed to the next calibration set point temperature To scroll from one set point to the next press and hold the temperature selection button until a beep is heard The newly selected set point appears in the upper left corner of the LCD display The device s current temperature is displayed will start to flash and continue flashing until the cavity reaches the equilibrium at the new set point 9 When done testing all thermometers at all temperature set points close the dust cover on the Model 9600 Plus Calibration Tester SureTemp Plus Service Manual 17 4 Troubleshooting 4 1 18
13. 1 Instrument Reset lliilillllllllellllll lr 7 2 3 2 Power On Self Test POST ulsuseeeeeeees s Rh mh de 7 2 3 3 Low Power Mode ie erii oirett EEE E A e hh gp ehh hs 8 2 3 4iPredict Mode 5 Wise de ead e bled Ei i A E ea 8 2 9 5 Monitor Mode zu oer e ED EE EA DEA eu quy VLDE EAR Ie 9 2 3 6 Pulse Timer Mode Model 692 only 0 00 eae 10 2 3 7 Backlight Model 692 only 0 0 eens 10 2 9 67 OM eL e roe late e eo kd e d God abd m a E Eod na pot UR OO i 10 2 3 9 F C Conversion 000000 cee ehm 11 2 39 10 Temperature Recall 1 ae kam tun IRR eee ais Rea REG aaa 11 2 3 11 Biotech Mode e a e ln 11 2 4 Instrument Security e errare t bet etta sce Fax e nce el Fade RR Ride TR ELE ET RR RR 13 2 4 1 Temperature Count Security Feature 0 0 0 eee 13 2 4 2 Instant On Security Feature 2 0 teas 13 3 Preventive Maintenance 0c ee 14 3 1 Six Month Maintenance 0000 tees 14 3 2 Twelve Month Maintenance 00 c eet tees 14 3 3 standard Storage 2 f cede Se a Gewile beware eet oes Hae Se aoe ago ed esate weg 14 3 4 Cleanlng os ed exter tot tad bates fea Cte iei utes ar toR Ee has fae tes lotus 14 3 4 1 Cleaning the Thermometer and Probe iliiillee eee 14 3 4 2 Cleaning The Removable Probe Well 2 0 2 0 00000 e eee ees 15 3 5 Replacing the Batteries 0 2 eee 15 SureTemp Plus Service Manual i 3 6 Calibration Tes
14. 6 3 Model 9600 Plus Calibration Tester Verification This method is used to verify the calibration of the unit and probe at three set point temperatures 36 0 C 96 8 F 38 5 C 101 3 F 41 0 C 105 8 F Use a verified thermometer from the Cal Key Verification 3 5 1 and a functioning probe Caution Store thermometers for testing in the same room as the 9600 Plus Calibration Tester for approximately 30 minutes prior to testing to allow for thermal accomodation 1 Plugin the Model 9600 Plus Calibration Tester wall transformer to electrical power 2 The 36 0 C 96 8 F temperature setting is selected when the calibration tester is first powered on If the calibration tester is all ready powered on change the temperature setting on the Model 9600 Plus Calibration Tester to 36 0 C 96 8 F with the up down arrow key temperature will scroll through the 3 settings It is important to use the lower temperature setting first because the stabilization time from high temperature to low temperature takes about twenty 20 minutes Stabilization time from a lower temperature to a higher temperature takes about six 6 minutes 3 Wait for the displayed temperature to stop blinking The actual temperature displayed blinks until the set temperature has stabilized 4 Remove the probe from the thermometer well and clean it with either a 7096 isoprophyl alcohol solution a 10 chlorine bleach solution or a non staining disinfectant Let the
15. Device Directive Regulatory Affairs Representative Welch Allyn Limited Navan Business Park Dublin Road Navan County Meath Republic of Ireland Table of Contents Electromagnetic Immunity and Emissions Declaration seen 1 Immunity Starnidard esegue ERE UE RP SERA ORE edes UE eiu etu ame adele 1 Emissions Summa e terapie tarpana eile EE eh wet QR AL QR DAS OE RR E aug 1 T gt Generalnformation uo e ree RR RR RERBA RR an eles NR KDE RA 2 1 1 About this Manual 00000 hrs 2 11 1 Related Document liebe AA Rd doe dheed beg SA US 2 1 2 Technical Support and Service Centers l l ese 2 1 3 Return Procedure 0000 rs 3 1 4 Safety and Warnings p esda da a a mr 3 1 5 Classifications uc RR e paola gat bate e UNT Da E ie tug 4 2 Operating Characteristics ccc n hh eh 5 2 1 Basic System Description liliis 5 2 1 1 Instr ment x roe aoe e RO REG Ro RE Tang Ae Re Laub Kasten t 5 21 2 Probe r ie nO eC eee Doo TUS SA Codd ar qubd etis 5 21 3 Probe Welle x2 oum ee XR NE ed eh see Be aie E Mes 6 2 4 4 ProDe COVe S s ore DIU ERIS ex Quod vedo oed E desde ew De be RR a 6 2 1 5 Battetles iv cotes alu doa RU us er ed ROGA Seen EX A Qo x danke od Febr ap UR YR ENTE 6 2 1 6 Wall MOURE 2 04 eer ERR ee ta Oa ieee a ESI e eae e dos 6 2 2 Model Features 4I Rebus pea og esee Ii edet qe en ede eda 7 2 3 Operating Features s eller erre Rh th RR m ee SRL hom Rn 7 2 3
16. Welch Allyn Customer Care 71 Device EEPROM acquire Try another predict cycle failure If the problem persists contact Welch Allyn Customer Care 72 Device EEPROM release Try another predict cycle failure If the problem persists contact Welch Allyn Customer Care 73 DEVICES EEPROM invalid Try another predict cycle pointer failure If the problem persists contact Welch Allyn Customer Care b Battery voltage too high Replace the batteries with batteries that provide less then 5 50 volts to the SureTemp Plus bv Battery voltage too low Replace the batteries with new batteries If problem does not go away and the batteries are known as good gt 3 1 volts applied contact Welch Allyn Customer Care A Ambient temperature too Move into an area where the temperature is between 50 F high 10 C and 110 F 43 3 C and allow the thermometer to stabilize to ambient temperature If problem persists replace the probe or contact Welch Allyn Customer Care Av Ambient temperature too Move into an area where the temperature is between 50 F low 10 C and 110 F 43 3 C If the problem persists replace the probe or contact Welch Allyn Customer Care Patient Temperature out of range lt 80 F 26 7 C or gt 110 F 43 3 C Make sure the probe is positioned properly within the patient body site with good tissue contact and or verify the patient s temperature is in the range Try another temperature cycle with the probe positioned prope
17. after 20 seconds due to improper technique or excessive probe movement In the normal Predict mode with correct use the patient s oral temperature is displayed in approximately 4 seconds The instrument will beep to signal completion of the Predict mode temperature cycle If the probe is left out of the storage well after completion of a Predict mode temperature the unit will shut down after 30 seconds and enter Low Power mode to conserve power Replace the probe in the storage well to prepare for the next temperature WARNING Continuous monitoring for more than 3 5 minutes is not recommended in any mode Place the instrument in Monitor mode by pressing and releasing the Mode button D after a predictive temperature is taken This mode is indicated by an icon in the MONITOR upper section of the screen When the unit enters Monitor mode by pressing the Mode button after a predictive temperature is taken it will emit two quick beeps If the device enters Monitor mode for any of the three reasons listed earlier in this section one long beep will sound to indicate that the unit has entered Monitor mode The thermometer will not beep to indicate a final Monitor mode temperature and Monitor mode temperatures will not be stored in memory Monitor mode is also useful in testing the accuracy of the combined probe instrument system when the probe is warmed to a known temperature as with a Welch Allyn Model 9600 or 9600 Plus Calibration Tester or
18. aline batteries and other usage patterns can reduce battery life Instruments are shipped with fresh batteries but we cannot guarantee full life from the first set of batteries due to potential long storage times between shipping and actual use Battery life is also reduced by storage at elevated temperatures The battery holder is interlocked to prevent reverse polarity This is an important aspect of safe operation of the unit 5 1 4 Low Battery Detection The Model 690 and 692 Thermometers include a low battery detector circuit which shuts the device off when the battery degrades below 3 volts This ensures that erroneous temperature readings are not given due to a low battery 5 1 5 Temperature Measurement and Display The thermometer probes incorporate negative temperature coefficient thermistors When the temperature of the probe is increased its electrical resistance decreases Model 690 and 692 Thermometers use 20K thermistors providing a resistance of approximately 20 KO at room temperature At 37 C patient temperatures they are near 12 KO The change in resistance is nonlinear with temperature and an equation describing this curve is programmed into the thermometer 24 Sure Temp Plus Service Manual Appendix A Specifications Ambient Operating Temperature Range 50 0 F to 104 0 F 10 0 C to 40 0 C Operating Altitude 557 ft to 16 000 ft 170m to 4877m Patient Temperature Range 80 0 F t
19. ar M690 692 25263 0000 Housing Battery Door M690 692 25278 0000 Cover Serial Port 53009 000 Batteries AA Alkaline 71209 0000 Label Front M690 Green 71209 1000 Label Front M692 Blue 71210 0000 Label Icon ID M690 692 English 71221 0000 Technical Manual M690 692 71213 0000 Operators Manual DFU 716691 Switch Array M690 716692 Switch Array M692 83216 0000 Scr Plastite Phil 2 28X 313L Sure Temp Plus Service Manual 5 Theory of Operation 5 1 Technical Overview The SureTemp Plus Model 690 and 692 are portable battery powered thermistor based medical grade thermometers that perform oral axillary and rectal measurements using high speed prediction modes The devices perform a power on self test POST when battery power is applied POST checks the internal hardware and tests the stored calibration values to verify that the factory calibration is intact When a thermometer probe is connected the device reads data from the probe to determine the type of probe and probe calibration values The thermometer will go into Low Power mode when inactive to maximize battery life A predict measurement cycle is initiated when a connected thermometer probe is pulled from the probe well of the device When the probe is pulled from the probe well the optical probe detection switch wakes up the microprocessor and a measurement cycle begins The device pre heats the probe tip Oral and Axillary only to create a stable th
20. button to select ON activated or OFF deactivated This setting is retained in non volatile memory when the batteries are replaced BATTERY This setting displays the current battery voltage with 10 mV resolution The battery is considered acceptable if it measures higher than 3 4 volts A new battery should produce 4 5 volts or more COUNTER This setting displays the number of predictive temperature measurements that have Predictive Temperature been completed in 100 s Counter ERROR LOG This setting displays the last 10 saved error messages in a last in first viewed sequence This is helpful when discussing operation with Welch Allyn Customer Care If there are no error messages the display shows EMPTY LOG CLEAR LOG This setting appears if the thermometer has logged any error messages Press and release the Mode Selection button to select YES to clear the error log or NO to keep the entries in the log 12 71221 0000 Rev H 2 44 Instrument Security Security options include two different electrical security options that alarms after a user designated number of temperatures is reached or when the unit is removed from the wall holder Model 692 only A mechanical security option is also available to prevent removal of the unit from the wall mount or mobile stand without a special tool The design of the SureTemp Plus Thermometers allows a facility to apply magnetic or RF security tags to the unit without adversely a
21. creen for 30 seconds 2 When the instrument is in Monitor mode and the probe tip is out of the patient temperature range 80 F to 110 F for a period greater than 5 minutes 3 Atthe completion of the Recall mode time out of 5 seconds 4 Whenever the probe is returned to the well and the probe is plugged into the thermometer 5 Whenever the probe is unplugged from the thermometer 6 Whenever the unit is in the Biotech mode and there are no button presses for 5 minutes The unit will exit Low Power mode when any button on the instrument is pushed or the probe Switch is activated When the unit exits Low Power mode after the probe is removed from the well all LCD segments are displayed for approximately 2 seconds 2 3 4 Predict Mode Predict mode operation is the rapid mode of temperature taking This is the default mode and is automatically selected when the probe is withdrawn from the probe well This mode provides the clinical user with predictive temperature capability for obtaining oral rectal pediatric axillary 17 years and younger and adult axillary 18 years and older temperatures If the mode is changed from Predict mode to Monitor mode during normal operation it will change back to Predict mode when the probe is returned to the probe well 1 Upon withdrawal of the probe from its storage well every segment on the display is illuminated The display will then show ORAL ADULT AXILLARY PED AXILLARY or RECTAL depending
22. e the most recently predicted temperature to display for 5 seconds The unit will then automatically go into Low Power mode Pulling the probe from the well in Recall mode will start a predict cycle To enter Biotech mode hold the Recall button down and then pull the probe from the well Model 692 units must be in the wall holder to enter Biotech mode Pressing the Pulse Timer button on the Model 692 thermometer will interrupt the temperature recall function Note No Monitor mode temperatures are saved for recall When a temperature is recalled the mode in which it was obtained Oral Adult Axillary Pediatric Axillary or Rectal is displayed regardless of the current mode the thermometer is in 2 3 11 Biotech Mode This mode is used to set and check special features of the thermometer listed in Table 2 1 All Biotech mode settings are saved so they are not lost when the batteries are replaced 1 Place the thermometer in the wall holder Model 692 Only 2 Press and hold the Recall button while removing the probe from the probe well Once the probe is removed release the Recall button 3 Press and release the Recall button to move sequentially through the various program categories Changes within each category are made by pressing and releasing either the Mode Selection or C F button 4 The Biotech mode control settings are stored in nonvolatile memory so that they are not lost when the batteries are changed The Biotech mode w
23. eeeeeeeeeeelee nnn nnn 25 Appendix B Limited Warranty sslllleeeeeeeeeeeeree nnn 26 ii 71221 0000 Rev H Electromagnetic Immunity and Emissions Declaration Immunity Standard IEC Basic Standard IEC 60601 1 2 2001 6kV Electrostatic disch IEC 61000 4 2 c ectrostatic discharge 000 BKV RF EMF Immunity IEC 61000 4 3 3 10 Vim 80 MHz 2 5GHz Magnetic field IEC 61000 4 8 SA m 150kHz 80MHz Emissions Summary The SureTemp Plus model 690 and 692 thermometers are intended for use in the electromagnetic environment specified below The customer or the user of the model 690 and 692 should assure that it is used in such an environment Guidance and Manufacturer s declaration electromagnetic emissions Electromagnetic Emissions test Compliance environment guidance RF emissions Group 1 The SureTemp Plus model CISPR 11 Class B 690 and 692 Thermometers Harmonic emissions Complies are suitable for use in all IEC 61000 3 2 establishments including l establishments that are Voltage fluctuations Complies a connected to the public and flicker emissions Icwevoltada Dower Suppi IEC 61000 3 3 AE Pp network SureTemp Plus Service Manual 1 1 General Information 1 1 1 2 About this Manual This manual describes maintenance and troubleshooting procedures for the SureTemp Plus Model 690 and 692 Thermometers Most topics and procedures described in this manual are applicable to both
24. ermal environment at the probe tip When the tip is applied to the patient the tip heater is turned off The thermistor value is monitored by the microprocessor and other internal circuitry The microprocessor uses internal modes to process the thermistor data and calculate a patient s temperature The temperature data is then displayed to the user on the LCD It is also possible to switch the thermometer to Monitor mode which displays real time data from the thermistor The Model 692 thermometer includes a backlit LCD for viewing in low ambient light conditions and a security mode that disables device operation when used outside the programmed security parameters SureTemp Plus System Block Diagram System Inputs Internal System Probe Digital Keypad eT A l EEPROM l a dl l l System Outputs L v Security Switch 692 Only I l M processor i gt Custom LCD Bi O ptical P ro l Switch l l Analog to Digital Co sion P Been l POWER CONDITIONING l hi l Qty 8 AA Regulated Analog Batt t gt ower Supply Analogs e try l M x Probe Analog l l Interf l l Serial Int Welch Ally Factory Us ly Figure 3 Model 690 and 692 Thermometers System Block Diagram 71221 0000 Rev H 23 5 1 1 Temperature Probes Model 690 and 692 Thermom
25. eter probes are configured at the factory to be Oral Axillary or Rectal probe types The probe contains a thermistor a heater resistor and an EEPROM Table 5 1 Probe Parts Probe Part Description Thermistor The Thermistor is used to sense patient temperature Heat Resistor The heater is used to create a stable thermal environment at the tip of the probe prior to applying the tip to the patient EEFROM During calibration the I C SDA line is accessed via the probe connector and SCL by a special probe connection that does not connect to the thermometer The thermometer reads the EEPROM via its 2 wire serial only VESA DDC1 interface The interface is guaranteed to work with VCC of 2 7 to 5 25 volts 5 1 2 Probe Switch The probe switch is an optical LED switch It is arranged as an open circuit when the probe is in the well to save power This causes a High to Low transition when the probe is pulled 5 1 3 Power Supply Power for the Model 690 and 692 is drawn from the three AA alkaline cells directly to the circuit electronics providing a peak voltage of 4 8V and an average voltage of 3 60 V Under normal use battery life is expected to provide approximately 5 000 temperature measurements for Model 692 and 6 000 temperature measurements for Model 690 This number is based on a 22 2 C 72 0 F ambient temperature with the security features turned off Colder ambient temperatures excessive security alarms use of non alk
26. f first shipment from Welch Allyn THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ANY IMPLIED WARRANTY OR MERCHANTABILITY FITNESS FOR PARTICULAR PURPOSE OR OTHER WARRANTY OF QUALITY WHETHER EXPRESSED OR IMPLIED WELCH ALLYN WILL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE SALE USE OR IMPROPER FUNCTIONING OF THE INSTRUMENTATION REGARDLESS OF THE CAUSE THE DAMAGES FOR WHICH WELCH ALLYN WILL BE RESPONSIBLE INCLUDE BUT ARE NOT LIMITED TO LOSS OF REVENUE OR PROFIT DOWNTIME COSTS AND LOSS OF USE OF THE INSTRUMENTATION Sure Temp Plus Service Manual WelchAlIlyn 4341 State Street Road Skaneateles Falls NY 13153 Tel 1 800 535 6663 Fax 1 315 685 3361 www welchallyn com 71221 0000 Rev H
27. ffecting the unit s performance or functionality The SureTemp Plus Model 692 Thermometer has two distinct anti theft systems available that are user selectable Both systems require the use of a holder system with the thermometer This setting will be retained in non volatile memory when the batteries are replaced 2 4 1 Temperature Count Security Feature The Temperature Count security feature allows you to take a set number of temperature readings before the instrument goes into the security alarm state The selectable counts are 25 50 100 and 200 As the instrument nears the final reading it will display SECURITY COUNT as a warning along with a number representing the last 5 temperature counts i e 5 4 3 2 1 remaining on the security counter When the instrument enters the alarm state it beeps for approximately 10 seconds At this time the instrument displays SEC on the LCD along with SECURITY COUNT in the ID field in the upper left hand corner of the screen The instrument is then disabled Returning the instrument to the wall holder resets the security count If the count is set to OFF the temperature count function is disabled and no security alarm will occur This setting is programmable through the Biotech mode page 11 2 4 2 Instant On Security Feature When the Instant On security feature is activated the instrument goes into the security alarm state within five seconds after removal from the wall holder When the inst
28. g or replacing at Welch Allyn s discretion any such defect free of charge for parts and labor Welch Allyn must be notified via telephone of any defective product and the item must be immediately returned with an RMA number provided by Welch Allyn securely packaged and postage prepaid to Welch Allyn Loss or damage in shipment shall be at the purchaser s risk Welch Allyn will not be responsible for loss associated with the use of any Welch Allyn product that 1 has had the serial number defaced 2 has been repaired by anyone other than an authorized Welch Allyn Service Representative 3 has been altered 4 has been used in a manner other than in accordance with the instructions or 5 has been abused or exposed to extreme environmental conditions ONE YEAR LIMITED WARRANTY ON PROBES AND PROBE COVERS Welch Allyn warrants probes and probe covers to meet Welch Allyn s specifications for the Product at the time of purchase and to be free from original defects in material and workmanship under normal use and service for a period equal to one year from the date of first shipment of such Product to the customer by or on behalf of Distributor Probe covers are intended for single use only NINETY DAY LIMITED WARRANTY ON REMOVABLE PROBE WELLS 26 Removable probe wells blue oral and red rectal are warranted to be free from original defects in material and workmanship under normal use and service for a period of ninety days from the date o
29. ill automatically time out after 5 minutes of inactivity 5 Replacing the probe into the probe well at any time will exit the Biotech mode and return the unit to normal operation SureTemp Plus Service Manual 11 The following features and selections are available in the Biotech mode Table 2 3 Biotech Mode Features Function DEVICE VERSION Setting The display will show X X where X X is the device software version number i e 1 0 This is helpful when discussing operation with Welch Allyn Customer Care ALGORITHM The display should show X X where X X is the mode Software Version i e 7 5 VERSION This is helpful when discussing operation with Welch Allyn Customer Care ID This section of the display is designed to store up to a seven digit alpha numeric Model 692 Only thermometer ID To store the thermometer s ID press and release either the Mode or the C F button to change the value of the flashing digit Press the Pulse Timer button to move to the next digit DEFAULT MODE You may choose between four settings as the default predictive mode Oral Adult Axillary Pediatric Axillary and Last last prediction To change the default mode press and release the C F button or the Mode Selection button to advance to the next mode This setting is retained in non volatile memory when the batteries are replaced UNITS DEFAULT This section displays the temperature measurement scale To cha
30. nge the measurement scale from F to C press and release the C F button or Mode Selection button This setting is retained in non volatile memory when the batteries are replaced SITE INDICATION Three options are available for mode indication icon and words words only and icon only To change the setting press and release the Mode Selection button or C F button to advance to the next type of indication This setting is retained in non volatile memory when the batteries are replaced SECURITY COUNT Model 692 Only The anti theft function uses a temperature counter that can be set at OFF 25 50 100 or 200 e Press and release the Mode Selection button to select the desired security count e Press and release the C F button to select descending security count option i e 200 100 50 25 OFF The instrument is set to the selected security count after the probe is returned to the probe well This setting is retained in non volatile memory when the batteries are replaced INSTANT ON Model 692 Only The thermometer can be set to alarm when removed from the wall holder This alarm can be disabled by the user by simultaneously pressing the Mode Selection button while pulling the probe from the probe well When this security feature is set to ON and the thermometer is returned to the wall holder the security feature is reactivated To set this security feature press and release the Mode Selection button or C F
31. nts the instrument the probe the removable probe well the probe cover the batteries and the wall mount 2 1 1 Instrument The instrument includes a removable probe well and detachable probe 2 1 2 Probe The detachable probes are available in short standard or long cord versions and include a mechanical probe cover ejection mechanism which is triggered by the user through a simple finger press The probes are designed for easy exchange in the clinical environment The short standard coiled cord probe stretches to approximately 4 and has a retracted length of approximately 10 The long version stretches to approximately 9 and has a retracted length of approximately 28 SureTemp Plus Service Manual 5 Four probe types are available and interchangeable on the thermometer 1 A blue Oral Axillary probe with a short standard coiled cord 2 Ared Rectal probe with a short standard coiled cord 3 A blue Oral Axillary probe with a long coiled cord 4 Ared Rectal probe with a long coiled cord 2 1 3 Probe well This unit has a removable probe well to allow for ease of cleaning and replacement The blue probe well is used with Oral and Axillary probes and the red probe well is used with Rectal probes 2 1 4 Probe covers The SureTemp Plus Thermometers must use the standard Welch Allyn thermistor probe covers Part No 05031 The probe covers are compatible across all Welch Allyn thermistor based thermometers
32. o 110 0 F 26 7 C to 43 3 C Temperature Predict Time Oral Approximately 4 6 secs Adult axillary 18 years and older Approximately 12 15 secs Pediatric axillary 17 years and younger Approximately 10 13 secs Rectal Approximately 10 13 secs Transport Storage Temperature 13 F to 131 F 25 C to 55 C Calibration Accuracy 0 2 F 0 1 C Monitor Mode Humidity 15 to 95 non condensing Dimensions 8 46 x 3 18 x 2 43 215mm x 81mm x 62mm Weight 12 6 ounces 357 grams Power 3 1 5Vdc AA batteries Equipment Classification Class 2 Device Continuous Operation Not AP or APG equipment IPX Not protected against the ingress of water Predict time depends on probe placement and patient condition Predict times do not include tissue contact detection time or time needed to place the probe into the measurement site 71221 0000 Rev H 25 Appendix B Limited Warranty THREE YEAR LIMITED WARRANTY ON MODEL 692 AND TWO YEAR LIMITED WARRANTY ON MODEL 690 INSTRUMENTS Instrumentation purchased new from Welch Allyn Inc Welch Allyn is warranted to be free from original defects in material and workmanship under normal use and service for a period of three years for Model 692 and a period of two years for Model 690 from the date of first shipment from Welch Allyn This warranty shall be fulfilled by Welch Allyn or its authorized representative repairin
33. obe well from the instrument Then unplug the probe connector by depressing the locking tab and pulling on the connector body DO NOT pull on the cord 3 While watching the display install the batteries per the instructions in the Preventive Maintenance section page 14 and observe the Power On Self Test described below 2 3 2 Power On Self Test POST The self test will check the internal microprocessor instrument electronics and display for correct operation Rene ee D E Cs ak 1 t2005 OR j RECTAL AXILLARY AXILLARY The instrument performs the self test series following all power on or reset cycles During the self test sequence the thermometer displays all LCD segments for 2 seconds Concurrently the thermometer plays the power on audible notification and performs necessary self testing Figure 2 Model 690 and 692 Thermometer Displays SureTemp Plus Service Manual 7 Immediately following the LCD segment test the software revision is displayed on the screen for 2 seconds At the end of the self test the display goes blank and the unit is ready to operate 2 3 3 Low Power Mode The Low Power mode allows the thermometer to conserve power when it is not in use The unit will automatically enter the Low Power mode following one of these conditions 1 After a final predicted temperature has been taken the probe has not been returned to the well and the displayed temperature has been on the s
34. p Plus Service Manual 15 16 3 6 Calibration Testing Whenever the clinical accuracy of the thermometer is in question verify the instrument calibration Your hospital biomedical department should establish a routine schedule for verifying instrument calibration It is recommended the unit be tested annually 3 6 1 Cal Key Verification This method uses a fixed value to verify that the device is calibrated properly 1 Remove any probe currently connected to the SureTemp Plus Thermometer 2 Connect the SureTemp Plus Cal Key PN 06138 000 3 Wait one minute for the device to enter Monitor mode and display the temperature 4 The temperature should read 36 3 0 1 C or 97 3 0 2 F 5 Remove the SureTemp Plus Cal Key 6 Connect the original probe back to the device 3 6 2 Model 9600 Calibration Tester Verification This method is used to verify the calibration of the unit and probe pairing at two different temperatures Use a verified thermometer from the Cal Key Verification 3 5 1 and a functioning probe Caution Store thermometers for testing in the same room as the 9600 Calibration Tester for approximately 30 minutes prior to testing to allow for thermal accomodation 1 Plugin the Model 9600 Calibration Tester 2 Choose the 96 4 F 35 8 C temperature setting It is important to use the lower temperature setting first because the stabilization time from a high temperature to a low temperature takes about
35. products Where there are differences it is noted to which product the topic refers 1 1 1 Related Document End user operation of the Model 690 and 692 Thermometers is covered in the SureTemp Plus Model 690 and 692 Operator s Manual PN 71213 0000 Technical Support and Service Centers For information about any Welch Allyn product call Welch Allyn Customer Support 1 3 1 4 USA 1 800 535 6663 Australia 61 2 9638 3000 1315 685 4560 800 074 793 Canada 1 800 561 8797 China 86 21 6327 9631 European Call Center 353 46 90 67790 France 33 1 55 69 58 49 Germany 49 7477 9271 70 Japan 81 33219 0071 Latin America 1 305 669 9003 Netherlands 31 157 505 000 Singapore 65 6419 8100 South Africa 427 11 777 7555 United Kingdom 44 207 365 6780 Sweden 446 85 853 6551 Return Procedure Please contact Welch Allyn Customer Care at 800 535 6663 before returning a Model 690 or 692 Thermometer to the factory for service If you are authorized to return a thermometer to Welch Allyn 1 Contact Welch Allyn and request a Return Material Authorization Number RMA 2 Repackage the thermometer carefully in its original box or any sturdy carton with enough packing material to prevent damage List the RMA on the shipping label along with the authorized service center address listed in Section 1 2 Technical Support and Service Centers 3 Include a note that describes the problem RMA number return address contact name telephone n
36. rly If the problem persists replace the probe or contact Welch Allyn Customer Care Note If your thermometer is within the warranty period you should return the unit to an authorized service representative for servicing Failure to do so will invalidate the warranty 71221 0000 Rev H 21 4 2 4 3 Field Serviceable Repairs The only operations that are performed by field personnel are calibration verification probe or probe well replacement battery replacement and unit replacement Field Serviceable Parts The following parts are serviceable by qualified technicians Note The following parts list is current as of the date of publication Parts and part numbers may change without notice Check with Welch Allyn Customer Care prior to ordering parts to verify you have current part number information Table 4 3 Field Serviceable Parts Part Description 01802 110 9600 Plus Calibration Tester 02891 000 Removable Probe Well Blue 02891 100 Removable Probe Well Red 02892 000 Probe and Well Kit Incl Probe 4 Rectal 02892 003 Probe and Well Kit 4 Vet 02892 100 Probe and Well Kit Incl Probe 9 Rectal 02892 103 Probe and Well Kit 9 Vet 02893 000 Probe and Well Kit Incl Probe 4 Oral 02893 100 Probe and Well Kit Incl Probe 9 Oral 05031 101 Disposable Probe Covers 1000 Case 25261 0000 Housing Front M690 692 25262 0000 Housing Re
37. rument enters the alarm state it beeps continuously and displays SEC on the LCD Pressing the Mode Selection button while removing the probe from the probe well within 30 seconds of the instruments removal from the wall holder clears the alarm and allows the instrument to operate Returning the instrument to the wall holder will reset the instant audio alarm The options for the Instant On feature are ON and OFF In the OFF setting no security alarm will sound This setting is programmable through the Biotech mode page 11 SureTemp Plus Service Manual 13 3 Preventive Maintenance 3 1 3 2 3 3 3 4 14 The following preventive maintenance is recommended to maximize uninterrupted service with the SureTemp Plus Model 690 and 692 Thermometers Six Month Maintenance Units that are in service on a regular basis should have the following preventive maintenance performed every six months 1 Visually inspect the thermometer for any physical damage that might cause future product failure 2 Clean the unit per instructions in the Operator s Manual supplied with the thermometer and or per the instructions below Twelve Month Maintenance For units in service on a regular basis perform the Power On Self Test and Model 9600 or 9600 Plus Calibration Testing procedure every 12 months The preventive maintenance procedure is located in the Model 9600 or 9600 Plus Operation Manual Standard Storage Units which are stored
38. se of the incorrect removable probe well could result in patient cross contamination To ensure patient safety and temperature measurement accuracy use only accessories and supplies recommended or supplied by Welch Allyn Equipment is not suitable for use in the presence of a flammable anesthetic mixture with air or with oxygen or nitrous oxide The thermometer case connectors and probe are not waterproof Do not immerse or drip fluids on these items Should this occur dry the device with warm air Check all operating functions for proper operation Do not take an axillary temperature through patient s clothing Direct probe cover to skin contact is required SureTemp Plus Service Manual 3 1 5 The Welch Allyn SureTemp Plus thermometer consists of high quality precision parts Protect it from severe impact and shock A qualified service technician must check any SureTemp Plus thermometer which is dropped or damaged to ensure proper operation prior to further use Do not use the thermometer if you notice any signs of damage to the probe or instrument Contact the Welch Allyn Customer Service Department for assistance Welch Allyn recommends that batteries are removed for long term storage since alkaline batteries can deteriorate and leak over extended periods of time and possibly cause damage to the thermometer Do not autoclave Please note the cleaning procedures described on page 14 of this manual Do not use this in
39. strument for any purpose other than that specified in this manual Doing so will invalidate the instrument s warranty This thermometer complies with current required standards for electromagnetic interference and should not present a problem to other equipment nor is it effected by other devices As a precaution avoid using this device in close proximity to other equipment Classifications Type of protection against electric shock Internally powered equipment Degree of protection against Type BF applied part electric shock Degree of protection against Not protected ingress of liquids Degree of safety in the Equipment not suitable for use with presence of flammable flammable anesthetics anesthetics Mode of operation Continuous 71221 0000 Rev H 2 Operating Characteristics 2 1 Basic System Description The Welch Allyn9 SureTemp Plus Model 690 and 692 thermometers are portable electronic thermistor thermometers Users can measure a patient s temperature in the oral axillary and rectal body sites of adult pediatric and newborn patients Probe Cover Ejection Button Probe Box of Probe Covers Thermometer Removable Probe Well LCD Display Latching Probe Connector Celsius Fahrenheit Toggle Battery Door Probe Button Cover Storage Holder Pulse Timer Button M692 only Recall Button Mode Selection Button Figure 1 Model 692 Thermometer The thermometer consists of six main compone
40. ting sss conem ret erae Bante yndod Meg a M paper Parc dull ato FEAR Lata S 16 3 6 1 Cal Key Verification lllsieleeeeeee aaa 16 3 6 2 Model 9600 Calibration Tester Verification llli lllselllns 16 3 6 3 Model 9600 Plus Calibration Tester Verification 000000 eee eee 17 4 Troubleshooting 2 lees RI ERR ee ee eee ee 18 4 1 Types ot EIfOIS uui bip eRP PRATO DERE RES RACER E SDMOEUDO MH Aes te iode darter dis 18 4 1 1 Battery Indications acc dain tad Reged PEGS ERE Ag PE RELEE pras 18 4 1 2 Ambient Temperature Out of Range 18 4 1 3 Patient Temperature Out of Range 0 es 19 4 174 Probe EftOr ios na ea Cy eV eu CAE Iu EXER 19 4 1 5 Instrument Errors 23 noe kae pra eR RR EORR Kun sy Sea ate UR RR 19 4 1 6 Error Codes Troubleshooting llli 20 4 2 Field Serviceable Repairs llli es 22 4 3 Field Serviceable Parts illllllllsllll elles 22 5 Theory of Operation csc cece n eR Rr RR ER Rx ee ee e RR Rc 23 5 1 Technical Overview 000 rr 23 5 1 1 Temperature Probes ree iias e eaa a a a a aa e e e a a o Era 24 5 21 27 Probe SWIC otro e eh ea pn aa a uM Ete e id Sethe vata AR E n ne 24 oI POWEr SUDPIY s nc gat os aa a timor sea dened ane alot aea daa eR al fe 24 5 1 4 Low Battery Detection o pce reretia i et pa En eee eae 24 5 1 5 Temperature Measurement and Display nnana nananana 24 Appendix A Specifications lliell
41. umber and any other necessary information Ship the thermometer to the authorized service center nearest you See Section 1 2 Technical Support and Service Centers Safety and Warnings In order to obtain accurate and reliable temperature results and ensure patient safety it is important that this manual is read thoroughly prior to using the instrument If you have any technical or clinical questions concerning the thermometer s use and or care please contact the Welch Allyn Customer Service Department 71221 0000 Rev H Use single use Welch Allyn disposable probe covers to limit patient cross contamination The use of any other probe cover may produce temperature measurement errors or result in inaccurate readings Do not take a patient s temperature without using a Welch Allyn disposable probe cover Doing so can cause patient discomfort patient cross contamination and erroneous temperature readings e Long term continuous monitoring beyond three to five minutes is not recommended in any mode e Biting the probe tip while taking a temperature may result in damage to the probe Oral axillary probes blue ejection button at top of probe and blue oral axillary removable probe wells are used for taking oral and axillary temperatures only Rectal probes red ejection button and red rectal removable probe wells are used for taking rectal temperatures only Use of the probe at the wrong site will result in temperature errors U
42. ve Heater Energy Try another predict cycle If the problem persists replace the probe or contact Welch Allyn Customer Care E0 2 A D Measurement out of Make sure the temperature is within the operating range of range error 50 F 10 C and 104 F 40 C If the problem persists replace the probe or contact Welch Allyn Customer Care E0 4 Probe Over Temperature Make sure the tip temperature is below 110 F 43 3 C 110 F 43 3 C If the problem persists replace the probe or contact Welch Allyn Customer Care E0 5 No Probe Temperature Rise Try another predict cycle The heater has no effect If the problem persists replace the probe or contact Welch Allyn Customer Care E0 6 Probe EEPROM read failure Verify the batteries are fresh Bad EEPROM handshake If the problem persists replace the probe E0 7 Probe EEPROM is Verify that the batteries are fresh un initialized If the problem persists replace the probe E0 8 EEPROM CRC Failure Verify that the batteries are fresh EEPROM is corrupted If the problem persists contact Welch Allyn Customer Care E0 9 Bad probe calibration Replace with a calibrated probe E4 0 PTB measurement out of Try another predict cycle range If the problem persists contact Welch Allyn Customer Care E4 1 RCAL measurement out of Try another predict cycle range If the problem persists contact Welch Allyn Customer Care E4 2 Reference power supply If the problem persists contact Welch Allyn Customer Care malfunction
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