Over Current) Error - Samsung AR07MSPXASINEU Service Manual

10-2-13 O.C(Over Current) error
Indoor display
3-LED DISPLAY
LED1 LED2
◎
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
10-14
LED3
◎
◎
LED OFF
YES
YES
YES
normal load?
YES
7-SEG DISPLAY
E464
IPM Over Current(O.C) Error
NO
NO
NO
NO
Restart after returning to the normal load
Is the O.C error
occurred again?
DESCRIPTION
IPM Over Current(O.C) Error
Terminate the service
Connect the comp wire normally
Terminate the service
Terminate the service
Samsung Electronics