User's Manual

71221-0000 Rev. H 21
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.
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 Welch Allyn Customer Care..
71 Device EEPROM acquire
failure
Try another predict cycle.
If the problem persists contact Welch Allyn Customer Care.
72 Device EEPROM release
failure
Try another predict cycle.
If the problem persists contact Welch Allyn Customer Care.
73 DEVICES EEPROM invalid
pointer failure.
Try another predict cycle.
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 (>= 3.1 volts applied) contact Welch Allyn Customer
Care.
A^! Ambient temperature too
high.
Move into an area where the temperature is between 50ºF/
10ºC and 110ºF/43.3ºC 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
low.
Move into an area where the temperature is between 50ºF/
10ºC and 110ºF/43.3ºC.
If the problem persists replace the probe or contact Welch
Allyn Customer Care.
Patient Temperature out of
range. < 80ºF/26.7ºC or >
110ºF/43.3ºC
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
properly.
If the problem persists, replace the probe or contact Welch
Allyn Customer Care.
Table 4- 2: Error Codes: Troubleshooting
Error
Code
Description Troubleshooting Steps