Compressor Lock Error - Samsung AQV09NSB Service Manual

Troubleshooting

12-2-15 Compressor lock error

1. Checklist :
1) Is the connection of cable for the compressor and power?
2) Is the interphase resistance of compressor normal?
2. Troubleshooting procedure
Restart after power off.
Is the lock error occurred again?
Is the interphase resistance value of
compressor (u v, v w, w u) normal?
Is the compressor body and
interphase resistance insulated?
Is the connection cable for the
compressor and power terminal normal?
Exchange the PCB.
12-17
Yes
Yes
Yes
Yes
No
Terminate the service.
No
Exchange the compressor.
No
Exchange the compressor.
No
Correct the cable connection.
Samsung Electronics