Check Tank Fill Valve

Possible Cause #

What to Check - Field #

Action Needed - Field #

  1. Check for obvious damage to the board.
  2. Short to ground or voltage spike may have caused damage to the board.
  3. Replace the main control board.

Caution #

Resolution

Did Check Tank Fill Valve resolve the issue?

Yes, resolution code 403.

No, go to next step.


Tags: leaking hot water tank overfilling main control board