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9.3.10 Inverter compressor drive error diagnosis and solution(P4)

Error Code

Malfunction decision

conditions

An abnormal inverter compressor drive is detected by a special

detection circuit, including communication signal detection,

voltage detection, compressor rotation speed signal detection

and so on.

Supposed causes

●

Wiring mistake

●

IPM malfunction

●

Outdoor fan ass’y faulty

●

Compressor malfunction

●

Outdoor PCB faulty

Trouble shooting:

For 9K~18K:

Midea MEHSU-24PHH2 User Manual

Questions and Answers: