Samsung ASV18PULNXEA, Service Manual

Page: 83 / 110

12-1
8
I_trip error, PFC over current
Indoor display ⊙ ○ ⊙ Outdoor error
Outdoor display ● ⊙ ● I_trip error, PFC over current
1.Checklist :
1) Is the PFC Shunt(A*V18***:R062,R063,A*V24***:R807,R808,R809) resistance value correct? Check the resistor is opened
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
Is the condi ti on of indoor/outdoor
temperature normal load?
Restart a ft er returning to the normal load
YES
YES
Is the connec ti on cable for the
compressor and power terminal
normal?
YES
Correct the cable connec ti on
Is the I_trip error
occurred again?
NO
NO
Exchange the Outdoor PBA
Is the posi ti on of temperature
sensor and the sensing value
normal?
Correct the sensor posi ti on or exchange the sensor
NO
YES
Restart a ft er power o ff .
Terminate the
service
NO