Error Codes and Suggested Resolutions
Service Manual B-13
178
Category: UI
Alarm Priority: Low
Description: The UI microprocessor received a message from the A/D microprocessor indicating
that the fan was shut down. Cause is typically provided in subsequent error mes-
sages.
Resolution: N/A - Refer to subsequent error messages.
179
Category: UI
Alarm Priority: Low
Description: The UI microprocessor received a message from the A/D microprocessor indicating
that the heater was shut down. Cause is typically provided in subsequent error
messages.
Resolution: N/A - Refer to subsequent error messages.
181
Category: UI
Alarm Priority: Low
Description: Corrupt data in the RTC section of the RTC chip.
Resolution: Replace the clock battery. See page 10-29.
If this does not resolve the issue, replace the UI PCBA. See page 10-12.
182
Category: UI
Alarm Priority: Low
Description: Unable to communicate with the RTC chip.
Resolution: Replace the UI PCBA. See page 10-12.
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