Outdoor unit protection control error — Inverter total current or PFC over current

What does Outdoor unit protection control error mean?

The inverter has detected an abnormal total current or PFC (Power Factor Correction) overcurrent condition. This triggers an outdoor unit protection control error, stopping operation.

• Issue with the input power supply.
• Incorrect coolant charging status.
• Outdoor fan not operating normally.

Click steps to track your progress.

1. 1

   Check the input power supply to the air conditioner for stability and correct voltage.

2. 2

   Ensure the outdoor fan is operating normally and not obstructed.

3. 3

   If the error persists, contact a qualified technician to check the coolant charging status and internal components.