Midea CS11M-18HRFN1-MT0W

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9.3.9 High temperature protection of IPM module diagnosis and solution(P2)
Error Code
P2
Malfunction decision
conditions
If the sampling voltage is not 5V, the LED will display the failure.
Supposed causes
● PCB faulty
Trouble shooting:
Yes
Tighten the screws and apply
silicon grease.
Tighten the screws and apply
silicon grease.
Replace the outdoor control PCB.
Replace the outdoor control PCB.
No
Check if the fastening screws
on the PCB and IPM radiator
are fixed tightly.
Check if the fastening screws
on the PCB and IPM radiator
are fixed tightly.