Error Codes and Suggested Resolutions
Service Manual B-15
205
Category: UI
Alarm Priority: Low
Description: Bad checksum or other failure during file download for software upgrade.
Resolution: Try reloading software to the unit. See page 7-7.
If this does not resolve the issue, replace the UI PCBA. See page 10-12.
207
Category: UI
Alarm Priority: Low
Description: The length of the UI code image downloaded to external flash is too small.
Resolution: Try reloading software to the unit. See page 7-7.
If this does not resolve the issue, replace the UI PCBA. See page 10-12.
211
Category: UI
Alarm Priority: Low
Description: The UI and AD microprocessors disagree as to the temperature setpoint.
Resolution: This error may appear due to electromagnetic interference from other devices at
the customer site. Advise the customer to try increasing the distance between
devices, repositioning the cabling, or plugging the devices into separate outlet
circuit branches. See Electromagnetic Compatibility (EMC) on page 13-4 for addi-
tional guidance.
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