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Roger WilliamsAug 15, 2025
What to do if Mitsubishi Electric Air Conditioner is flashing 4 times?
- MMelanie DownsAug 15, 2025
If your Mitsubishi Electric Air Conditioner is flashing 4 times, it indicates a problem with the indoor unit control system. The suggested solution is to replace the indoor electronic control P.C. board.