Mitsubishi Electric · Air Conditioning
When the operation indicator lamp is not lit, the unit is either turned off or in standby mode. In multi-system operations, it might indicate standby status.
Click steps to track your progress.
Press the OFF/ON button on the remote controller to start operation.
Check if the unit is scheduled to turn on via a timer.
If in a multi-system, ensure other units are not preventing this unit from operating.