LG LRE3194ST User Manual

9-16
CHECKING FLOW CHART BY FAILURE
Oven hot, F6?
Is the resistance of
thermistor normal?
Check:
Pins 1 and 2 of CN13 wiring
in main PCB
Normal- approximately 1.09kΩ at 25˚C
No
Replace the
failed
thermistor
1
CN13
Unplugged the unit
Yes
Is the Heater relay normal?
Measure the resistance of
heater relay and L.
Normal: infinite
Abnormal: continuity
No
Replace the
relay PCB
2
Yes
Yes
Is the DLB relay normal?
Measure the resistance
Normal : infinite
Abnormal : continuity
No
Replace the
relay PCB
3
Normal Abnormal
Normal Abnormal
Broil(RY105) Relay
Resistance
CN101 1
st
pin and 2
nd
pin
Bake(RY104) Relay
Resistance
L2
DLB1(RY106)
Relay
Resistance

LG LRE3194ST Specifications

General

Brand	LG
Model	LRE3194ST
Category	Ranges
Language	English