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Mitsubishi Electric Mini Split Heat Pump error codes

Search 2 diagnostic guides for Mitsubishi Electric Mini Split Heat Pump faults. Each guide explains what the code means, what to check, and which part may be involved.

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Mitsubishi ElectricMini Split Heat Pump

Code E6

Code E6 alerts that communication signal between indoor controller board and outdoor board is broken or noisy.

Mitsubishi ElectricMini Split Heat Pump

Code P8

Code P8 signals abnormal evaporator pipe temperature during heating or cooling mode, indicating protection shutdown.