Alert 351 — Electric Heat Stage 1 Problem

What does 351 mean?

There is an issue with the first stage of the air handler's electric heat. This could mean the pilot relay contacts did not close or the relay coil in the electric heat section did not energize.

• Possible heat section or stage 1 failure.
• Pilot relay contacts did not close.
• Relay coil in the electric heat section did not energize.

Click steps to track your progress.

1. 1

   The air handler will operate on the heat pump's first stage for the remainder of the heat call.

2. 2

   Check for issues with the electric heat section or stage 1.

3. 3

   Verify that the pilot relay contacts are closing and the relay coil is energizing.