Samsung AVMKH020EA4 Service Manual page 233

Troubleshooting
11-5-9 Breakaway of PWM valve connecter(Not controlled the capacity of compressor)/shortage of refrigerant
• The T-discharge rises.
• The temperature of indoor unit inlet/outlet is down to
the below 0˚C.
• P3 or P0 error is occurred at the outdoor unit PCB.
11-47
Phenomenon Check method
• Check if the PWM connecter is departed.
• After checking the pressure of refrigerant, recharge the
refrigerant.
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