Samsung NE59J7630SS Service Manual page 32

4. Troubleshooting
4-1 Information Display Codes
Check code
C-21
Disconnect power and sub PCB
*DLB, Bake, Broil,convection relay check.
* check for any damage on Main PCB.
* Measure oven sensor resistance.
* Check the connecting condition of
harness related with oven sensor.
* Check connector and harness
connected to main PCB.
* Check whether harness on connector
replace the sub and main PCB.
END
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NO
OK
NO
OK
NO
OK
NO
OK
Convection Relay
DLB Relay
Broil Relay
Bake Relay
* Replace main PCB.
END
*Reconnect after replacing
the oven sensor.
END
Main PCB
CN320
Sub PCB
Replace or repair the harness.
Replace sub PCB or main PCB.
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