No Key Input Or F-3 - LG LDG3015SB Service Manual

CHECKING FLOW CHART BY FAILURE

No key input Or F-3

Key does not input(including F-3)
Check the connection between Oven System PCB's CN03
Normal?
Yes
Remove Harness and check F-3 error
duplicate or not,after one minute
Duplicate the Error?
Yes
Replace Oven system
(EBR72822702)
END
No
No
10-19
Reconnect
No
Is problem OK?
Yes
END
Replace Replace the control
supporter
END