Error Codes: Troubleshooting - Welch Allyn SureTemp Plus 690 Service Manual

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
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.
E4.4 Device EEPROM starting
handshake failure.
E4.5 Device EEPROM response
failure.
E4.6 Transmit failure to the
Device EEPROM.
E4.7 Can't initialize the device
EEPROM
E4.8 Device was not calibrated
E5.0 Heater is not working
properly.
20
® Customer Care at 1-800-535-6663.
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.
Verify that the batteries are fresh.
If the problem persists contact Welch Allyn Customer Care.
Verify that the batteries are fresh.
If the problem persists contact Welch Allyn Customer Care.
Verify that the batteries are fresh.
If the problem persists contact Welch Allyn Customer Care.
If the problem persists contact Welch Allyn Customer Care.
Replace the device with a calibrated device.
Try another cycle.
If the problem persists contact Welch Allyn Customer Care.
Sure Temp® Plus Service Manual