LG LDG3015SB Service Manual page 60

CHECKING FLOW CHART BY FAILURE
Oven does not heat (including F-9, F-19 Error)
1
Yes
Check the resistance of each igniter
(measure the resistance after cooling down)
Normal:approximately 45Ω~400Ω
Broil ignitor
Normal?
Yes
Check the resistance of Gas valve
Normal:approximately 1~1.5Ω
Broil Gas Valve
1pin
3pin
2
Baker ignitor
No
Bake Gas Valve
WH
N
10-6
Replace the failed ignitor
END
Pin No.
2
1
4
3