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4. Troubleshooting
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4-1 Failure Display Codes
"C-20"
Disconnect power
Measure sensor resistance.
(1080Ω at the room temperature)
No
No
No
Ok
Ok
Check the connector condition of the
wire harness.(Oven sensor connector
and CN320 of main PCB)
Measure resistance of the connector CN320
at the Main PCB (Open : ∞Ω,Short : under 10Ω)
Make sure circuit board, soldered joints or
any related parts on Main PCB have not
been damaged. Repair the damage or
replace the Main PCB if necessary.
Replace oven sensor
*reconnect
*repair damaged
harness or replace.
END
END
Main PCB (NEW FM MAIN)
CN320
Main PCB (WALL MAIN)
CN320
Upper oven sensor Lower oven sensor