Check Thermistor

Possible Cause #

What to Check - Field #

Action Needed - Field #

  1. Be sure the thermistor harness connector is making good contact on the main board & wires aren't loose.

  2. Clean or replace thermistor.

  3. Open or closed thermistor error, verify water probe is not defective. If probe checks out replace thermistor.

Caution #

Resolution

Did Check Thermistor resolve the issue?

Yes, resolution code 304.

No, go to next step.


Tags: heating hot water electrical thermistor hot water