T068 — Circuit A Return Gas Thermistor Failure Alert

What does T068 mean?

The return gas thermistor for Circuit A has failed. This circuit will shut down. The alert resets automatically once the thermistor is functioning correctly.

• Return gas thermistor failure in Circuit A
• Wiring issue to the thermistor
• Faulty control board

Click steps to track your progress.

1. 1

   The circuit should attempt automatic reset when the thermistor is functional.

2. 2

   Check wiring and connections to the return gas thermistor for Circuit A.

3. 3

   If the failure persists, the thermistor or control board may need replacement.