Oven Does Not Heat - LG LDE3017ST Service Manual

CHECKING FLOW CHART BY FAIRURE
Oven does not heat (including F-9, F-19 Error)
No heating
Disconnect power
Check the electric wiring
1. Harness of Relay connection.
2. Each heater's connection.
3. System and Relay PCB connection(CN11, CN12)
UPPER
LOWER
Harness connection check
No
Normal?
Fix or replace the lead wire
Yes
END
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