Samsung FER710DRS Service Manual page 37

4. Troubleshooting
4-1 Failure Display Codes
-dE-
* Disconnect power.
* Get rid of harness connected with partition
switch.
* Measure resistance of partition switch.
* Check whether harness connected
normally into CN401 of main PCB.
* Measure resistance CN401 of main pcb.
END
Ok
Ok
CN401
37
Partition Switch
No
* Replace partition switch.
END
No
* Repair damaged harness or replace.
END
No
* Replace main PCB.
* Solder again if pattern is damaged
or parts is wrong contacted.
END