Samsung AVMKH020EA0 Service Manual page 288

8-5-9. 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.
Phenomenon
- 287 -
Check method
• Check if the PWM connecter is departed.
• After checking the pressure of refrigerant, recharge the
refrigerant.
Troubleshooting