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Lee AndersonAug 5, 2025
Why does my Mitsubishi Electric Mr. Slim SEZ-KD50VAL Air Conditioner show a 'PLEASE WAIT' error code?
- JJose JohnsonAug 5, 2025
The 'PLEASE WAIT' error code on your Mitsubishi Electric Air Conditioner could indicate that the connector for the outdoor unit’s protection device is not properly connected. Check this connector to ensure it is securely in place. Another potential cause is reverse or open phase wiring for the outdoor unit’s power terminal block (L1, L2, L3). Verify the wiring at the outdoor unit's power terminal to correct any reverse or open phase issues.
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