User's Manual

20 Sure Temp® Plus 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
®
Customer Care at 1-800-535-6663.
Table 4- 2: Error Codes: Troubleshooting
Error
Code
Description Troubleshooting Steps
E0.1 Excessive 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
range error.
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.
E0.4 Probe Over Temperature
(110ºF/43.3ºC)
Make sure the tip temperature is below 110ºF/43.3ºC.
If the problem persists replace the probe or contact Welch
Allyn Customer Care.
E0.5 No Probe Temperature Rise.
(The heater has no effect.)
Try another predict cycle.
If the problem persists replace the probe or contact Welch
Allyn Customer Care.
E0.6 Probe EEPROM read failure.
(Bad EEPROM handshake.)
Verify the batteries are fresh.
If the problem persists replace the probe.
E0.7 Probe EEPROM is
un-initialized.
Verify that the batteries are fresh.
If the problem persists replace the probe.
E0.8 EEPROM CRC Failure
(EEPROM is corrupted.)
Verify that the batteries are fresh.
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
range.
Try another predict cycle.
If the problem persists contact Welch Allyn Customer Care.
E4.1 RCAL measurement out of
range.
Try another predict cycle.
If the problem persists contact Welch Allyn Customer Care.
E4.2 Reference power supply
malfunction.
If the problem persists contact Welch Allyn Customer Care.
E4.3 Device EEPROM save
failure.
Verify that the batteries are fresh.
If the problem persists contact Welch Allyn Customer Care.
E4.4 Device EEPROM starting
handshake failure.
Verify that the batteries are fresh.
If the problem persists contact Welch Allyn Customer Care.
E4.5 Device EEPROM response
failure.
Verify that the batteries are fresh.
If the problem persists contact Welch Allyn Customer Care.
E4.6 Transmit failure to the
Device EEPROM.
Verify that the batteries are fresh.
If the problem persists contact Welch Allyn Customer Care.
E4.7 Can’t initialize the device
EEPROM
If the problem persists contact Welch Allyn Customer Care.
E4.8 Device was not calibrated Replace the device with a calibrated device.
E5.0 Heater is not working
properly.
Try another cycle.
If the problem persists contact Welch Allyn Customer Care.