Samsung · Air Conditioning
If all LEDs on the outdoor unit are off, it indicates that the unit is not receiving power. This means the system is not operating.
Click steps to track your progress.
Check if the air conditioner's circuit breaker has tripped and reset it.
Ensure the unit is properly plugged into a functional power outlet.
Verify the power supply to the outdoor unit is stable.
Wait 3 minutes, then try powering the unit on again.
If the issue persists, contact a qualified technician.