Midea MEHS-09NIH2 Service Manual page 52

10.4.9 High temperature protection of compressor top diagnosis and solution(P2)
Error Code
Malfunction decision
conditions
Supposed causes
Trouble shooting:
P2
If the sampling voltage is not 5V, the LED will display the failure.
Power supply problems.
●
System leakage or block
●
PCB faulty
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