P4 — Compressor drive error

What does P4 mean?

There is an error related to the compressor's drive system. This indicates a problem with how the compressor is being powered or controlled.

• Issue with the compressor's electrical drive components
• Internal compressor fault
• Control board malfunction

Click steps to track your progress.

1. 1

   Reset the unit by turning off power at the breaker for 30 seconds and then turning it back on.

2. 2

   Check electrical connections related to the compressor drive.

3. 3

   If the error persists, a technician may need to diagnose the compressor or its drive electronics.