LG LDG4315ST Service Manual page 67

Oven does NOT heat, F9, F19
Unplug the unit
1
Is the Connector disconnected
or loose?
(1) Electric wiring of Main
PCB All taps.
(2) Electric wiring of electric
element
Upper broil igniter
Upper bake igniter
Conv. bake igniter
TROUBLESHOOTING
Reconnect. If
defective
Yes
harness,
Replace or fix
No
2
ICheck the resistance
of each igniter. Normal?
(Measure the resistance after
cooling down.
The resistance is shown below)
8-11
No Replace the
failed igniter
Upper broil igniter
Upper bake igniter
Conv. bake igniter
yes