Alert 352 — Electric Heat Stage 2 Problem

What does 352 mean?

This alert indicates a problem with the second stage of the air handler's electric heat. The pilot relay contacts may not have closed, or the relay coil might not have energized.

• Possible heat section or stage 2 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 first stage of electric heat until the issue is resolved.

2. 2

   Check for issues with the electric heat section or stage 2.

3. 3

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