Mitsubishi Electric · Air Conditioning
The indoor unit beeps twice when trying to recall error codes. This confirms that the unit has detected an error that is stored in its memory.
Click steps to track your progress.
Press the TEMP Up or Down buttons on the remote to cycle through error codes.
Note the displayed error code (e.g., A, B, C... Z).
Refer to the table of failure mode recall function to identify the specific problem.