Mitsubishi Electric · MSZ-AP Air Conditioners
After restarting, the unit intentionally delays operation for approximately 3 minutes. This is a built-in protective measure controlled by the microprocessor.
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Wait for approximately 3 minutes for the unit to complete its internal protection cycle.
Do not attempt to force operation or turn the unit off and on again during this delay.
This is a normal function and not an indication of a fault or malfunction.