Over Current) Error - Samsung AR12TVEAAWKNAP Service Manual

10-2-13 O.C(Over Current) error
Indoor display
7-SEG DISPLAY
C464
Outdoor display
LED ON LED BLINKING
1. Checklist :
1) Is the IPM Shunt 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
Restart after power off.
Is the O.C error occurred?
Is the connection of compressor wire is normal?
Is the O.C error occurred again?
Is the condition of indoor/outdoor
temperature normal load?
DESCRIPTION
IPM Over Current(O.C) Error
LED OFF
YES
YES
YES
YES
Current sensor error
NO
Terminate the service
NO
Connect the comp wire normally
NO
Terminate the service
NO
Restart after returning to the normal load
Is the O.C error
occurred again?
71
Terminate the service