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4. Troubleshooting
4-1 Information Display Codes
Check code
“C-21”
* Replace main PCB
* Solder again if pattern is damaged
or parts is wrong contacted.
No
* Check the DLB, Bake and Broil relay.
(Nomal:
ȍ
* Check whether there is any damaged
parts of PCB pattern.
* Measure oven sensor resistance.
ȍDWWKHURRPWHPSHUDWXUH
* Check the connecting condition of
harness related with oven sensor.
* Check connector and harness connected to PCB.
* Check whether harness on connector
&16&16RI0DLQ3&%LVFRQQHFWHGQRUPDOO\
LQWRWKHFRQQHFWRU&16&16RUQRW
Disconnect power and main PCB
Ok
Ok
Ok
No
END
*Reconnect after replacing the oven
sensor.
No
Replace or repair the harness.
With replacing main PCB, and make set work.
No
Replace main PCB
END
END
Sub PCB
Main PCB
DLB Relay
Broil Relay
Bake Relay
Convection Relay