Oven Does Not Heat, F-11 - LG LSE3092ST Service Manual

FAILURE MODE FLOW CHART

Oven does not heat, F-11

Yes
Power Off
1
Is the disconnect or loose
connector?
1. Between Main PCB and
Relay PCB (CN7,CN10)
2.Electric wiring of relay PCB
All taps.
3.Electric wiring of electric
element
CN10
Broil
Bake
Reconnect or
No
repair the
connector
CN7
All taps.
Conv.
No
Power Off
2
Is the heater normal?
Measure the resistance
of each heater.
(The resistance is shown
below)
Range Of the resistance
Heater
Broil
Bake
Convection
6-4
No Replace the
Failed heater
Broil.
Bake
Ω
Resistance[ ]
Approximately
13.0
17.0
80
yes