Inverter compressor startup error — Compressor failed to start

What does [Inverter] Compressor startup error mean?

The inverter compressor in the outdoor unit failed to start correctly, triggering a protection control error. This prevents the system from cooling or heating.

• Problem with the compressor connection status.
• Incorrect electrical resistance between different phases of the compressor.

Click steps to track your progress.

1. 1

   Check the compressor connection status in the outdoor unit.

2. 2

   Turn off the air conditioner at the main breaker, wait a few minutes, then turn it back on.

3. 3

   If the problem persists, a service technician may need to check the compressor's phase resistance.