Failure Code Summary - LG LRG3061ST Service Manual

FAILURE CODE SUMMARY

DISPLAY
CAUSE
SHOWS
F-1 Oven sensor opened
F-2 Oven sensor shorted
F-3 Touch sensor key short
F-6 Oven is too hot:
Bad oven sensor, Bad
control(PCB)
F-9 Bake failure
CORRECTIONS
A. Perform step 1 through 4 above
B. Remove panel and connections on oven sensor. Check
value at room temperature, is should be 1090 Ohms.
C. Check wire continuity
D. Replace PCB
A. Perform step 1 through 4 above
B. Replace keypad or keypad assembly(if F code recur, go
to C after unplugging or disconnecting)
C. Replace Control(PCB) assembly
A. Perform step 1 through 4 above
B. Remove panel and connections on oven sensor. Check
value at room temperature, is should be 1090 Ohms.
C. Check wire continuity
D. Replace PCB
A. Perform step 1 through 4 above
Also check the gas flame & gas pressure.
B. Remove the back panel and check continuity of the
sensor, heater(bake, broil) and control(PCB)
C. Check the oven burner ignition system.
(Refer to oven bumer ignition system)
D. Check Gas valve from gas supply.
E. Disconnect sensor from harness
- Measure Ω value between connector pins of oven
sensor(Refer to component test)
- Measure Ω value between sensor chassis and any
connector pins : Ω
value should read OPeN(Infinite)
if there is any problem, Replace oven sensor
F If you can't find any problem, Replace Control(PCB)
9-1