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Carrier 40MAQ Series - Over Voltage or Too Low Voltage Protection Diagnosis and Solution (P1)

Carrier 40MAQ Series
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44
Over voltage or too low voltage protection diagnosis and solution
(P1)
Error Code P1
Malfunction decision conditions An abnormal voltage rise or drop is detected by checking the specified voltage detection circuit.
Supposed causes
S Power supply problems
S System leakage or block
S PCB faulty
Troubleshooting:

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