Variable Thermostat:lower Oven Switch - LG LSE3092ST Service Manual

Components
Variable Thermostat :
Lower oven switch
Warm
200˚F 2 2
A B
250˚F 450˚F
1
300˚F 400˚F
350˚F
Part
Variable
Thermostat
Test procedures
1. Refer to page 3-19 for the servicing procedure.
2. Set the Multiple meter scale to the R x 1000.
3. Disconnect all wires from Variable Thermostat
4. When turn on/turn off the knob, position measure
the resistance between L1 to H.
5. When turn on/turn off the knob, position measure
the resistance between T2 to T3.
6. After check the single type, check the dual type
at the same procedure.
Knob Position
OFF
ON
L1
T2
T3 T3 T3 T3 T3
T3 T3 T3 T3 T3 T3
T3 T3 T3 T3
T3 T3 T3
H H H H H H H H H H H H H H H H H
H
L1
T2
T3 T3 T3
T3 T3 T3 T3
T3 T3 T3 T3
T3 T3 T3 T3 T3 T3
T3
H H H H H H H H H H H H H H H H H
H
Results
L1-H Infinite(open circuit)
T2-T3 Infinite(open circuit)
L1-H Continuity(short circuit)
T2-T3 Continuity(short circuit)
4-12
Results
NOTE: Ω Value was tested
at room temperature
(75F/24˚C)