E41 - Inverter power transistor overheated

What does E41 mean?

The power transistor for the inverter has overheated. This indicates a problem with the inverter board, often due to excessive load, poor ventilation, or component failure.

• Overheating of the inverter power transistor.
• Insufficient cooling for the inverter board.
• Excessive electrical load on the inverter.

Click steps to track your progress.

1. 1

   Turn off the air conditioning unit at the circuit breaker.

2. 2

   Allow the unit to cool down for at least 30 minutes.

3. 3

   Ensure there is adequate airflow around the outdoor unit, clearing any obstructions.

4. 4

   If the error persists, contact a qualified service technician to inspect the inverter board.