Samsung AQV12A Series - Compressor Start Error (E451)

4-14 Samsung Electronics
4-3-9 Compressor start errorWhen is diplayed
1. Checklist :
1) Is the connection of cable for the compressor and power?
2) Is the interphase resistance of compressor normal?
2. Troubleshooting procedure
Yes
Restart after power off.
Is the restart error occurred again?
Is the interphase resistance value of
compressor (uv, vw, wu) normal?
Is the connection cable for the
compressor and power terminal normal?
Exchange the PCB.
Terminate the service.
Exchange the compressor.
Is the compressor body and
interphase resistance insulated?
Exchange the compressor.
Correct the cable connection.
Yes
Yes
Yes
No
No
No
No