Carrier 40MAQ Series - High Temperature Protection of Compressor Top Diagnosis and Solution (P2)

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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 will display the failure.
Supposed causes
S Power supply problems
S System leakage or block
S PCB faulty
Troubleshooting