T069 — Circuit B Return Gas Thermistor Failure Alert

What does T069 mean?

The return gas thermistor for Circuit B has failed, causing this circuit to shut down. The alert resets automatically when the thermistor is functioning correctly.

• Return gas thermistor failure in Circuit B
• 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

   Inspect wiring and connections to the return gas thermistor for Circuit B.

3. 3

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