Welch Allyn SureTemp Plus 692 Series Service Manual page 25

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.
Table 4- 2: Error Codes: Troubleshooting
Error
Code Description
E0.1 Excessive Heater Energy
E0.2 A/D Measurement out of
range error.
E0.4 Probe Over Temperature
(110ºF/43.3ºC)
E0.5 No Probe Temperature
Rise. (The heater has no
effect.)
E0.6 Probe EEPROM read
failure. (Bad EEPROM
handshake.)
E0.7 Probe EEPROM is
un-initialized.
E0.8 EEPROM CRC Failure
(EEPROM is corrupted.)
E0.9 Bad probe calibration.
E4.0 PTB measurement out of
range.
E4.1 RCAL measurement out of
range.
E4.2 Reference power supply
malfunction.
E4.3 Device EEPROM save
failure.
Troubleshooting Steps
Try another predict cycle.
If the problem persists replace the
probe or contact Welch Allyn
Customer Care.
Make sure the temperature is within
the operating range of 50ºF/10ºC and
104ºF/40ºC
If the problem persists replace the
probe or contact Welch Allyn
Customer Care.
Make sure the tip temperature is
below 110ºF/43.3ºC.
If the problem persists replace the
probe or contact Welch Allyn
Customer Care.
Try another predict cycle.
If the problem persists replace the
probe or contact Welch Allyn
Customer Care.
Verify the batteries are fresh.
If the problem persists replace the
probe.
Verify that the batteries are fresh.
If the problem persists replace the
probe.
Verify that the batteries are fresh.
If the problem persists contact Welch
Allyn Customer Care.
Replace with a calibrated probe.
Try another predict cycle.
If the problem persists contact Welch
Allyn Customer Care.
Try another predict cycle.
If the problem persists contact Welch
Allyn Customer Care.
If the problem persists contact Welch
Allyn Customer Care.
Verify that the batteries are fresh.
If the problem persists contact Welch
Allyn Customer Care.
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