MHI · Air Conditioning
An error has occurred with the power transistor, a key component in controlling the power flow to the compressor. This can be triggered by various operating conditions.
Click steps to track your progress.
Turn off the air conditioner at the main circuit breaker and wait for 15 minutes.
Ensure that the outdoor unit has good airflow and is not blocked by debris or vegetation.
If the issue persists, contact a qualified service technician, as this fault typically requires professional diagnosis and repair.