Is the condi on of indoor/outdoor
temperature normal load?
Restart a er returning to the normal load
YES
YES
Is the connec on cable for the
compressor and power terminal
normal?
YES
Correctthe cable connec on
Is the I_trip error
occurred again?
NO
NO
Exchange the Outdoor PBA
Is the posi on of temperature
sensor and the sensing value
normal?
Correct the sensor posi on or exchange the
sensor
NO
YES
Restart a erpower off.
Terminate the
service
NO
12-21
12-2-17 I_trip error, PFC over current
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
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