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DIAGNOSIS AND SOLUTION (CONT)
High temperature protection of compressor top diagnosis and solution (P2)
Error Code P2
Malfunction decision conditions If the sampling voltage is not 5V, the LED displays the failure.
Supposed causes
S Power supply problems
S System leakage or block
S PCB faulty
Troubleshooting
Yes
Tighten the screws and apply
silicon grease.
Replace the outdoor control PCB.
No
Check if the Fastening screws
on the PCB and IPM radiator
are fixed tightly.
For other models,
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