Samsung ASV18PULNXEA Service Manual page 83

I_trip error, PFC over current
Indoor display ⊙
Outdoor display ●
1.Checklist :
1) Is the PFC Shunt(A*V18***:R062,R063,A*V24***:R807,R808,R809) resistance value correct? Check the resistor is opene
2) Is the condition of surrounding temperature abnormal overload?
3) Is there any problem as like the temperature sensor separation or measurement value error?
4) Is the interphase resistance of compressor normal?
2. Troubleshooting procedure
Restart after power off.
Is the condition of indoor/outdoor
temperature normal load?
YES
Is the position of temperature
sensor and the sensing value
normal?
YES
Is the connection cable for the
compressor and power terminal
normal?
YES
Exchange the Outdoor PBA
12-18
○ ⊙ Outdoor error
⊙ ● I_trip error, PFC over current
NO
Restart after returning to the normal load
YES
Is the I_trip error
occurred again?
NO
Correct the sensor position or exchange the sensor
NO
Correct the cable connection
NO
Terminate the
service