Error 23 — Compressor drive module temperature too high

What does 23 mean?

The compressor drive module is overheating. This is detected by a sensor on the module's heat sink. Causes include refrigerant overcharge or a blocked coil.

• Overcharge of refrigerant
• Excessively plugged outdoor coil
• IPM sensor open or shorted
• Non-condensable gas in system

Click steps to track your progress.

1. 1

   Check and correct refrigerant charge if overcharged.

2. 2

   Clean the outdoor coil thoroughly.

3. 3

   Ensure the IPM heat sink is clean and free of debris.

4. 4

   Verify the IPM temperature sensor is functioning correctly.