Failure Code Summary - LG LRG3091ST Service Manual

FAILURE CODE SUMMARY

Code Description
F-1 Opened Sensor
F-2 Shorted Sensor
F-3 Key shorted
Error
F-6 Oven hot
F-10 Door Lock Fail
F-11 No heating
How to detect
Oven sensor(thermistor ) remains open
for over 1 min during cooking.
Oven sensor (thermistor ) is short for over
1 min during cooking.
When some keys are continuously short
for over 60 seconds.
The oven temperature is over 650°F
continuously during 2 minutes on cooking
except self cleaning.
In case of Door Lock Failure in operating
Lock motor.
If starting oven temperature does not
exceed 150°F and oven temperature is less
Than or equal to starting temperature over
5 minutes during preheating, while door is
closed.
9-1
Check point
1. Wiring
2. Oven Sensor
1. Wiring
2. Oven Sensor
Key malfunction
1. Oven Sensor
2. Relay
1. Electric Wiring
2. Motor's
Resistance
3. Micro Switch
1. Electric Wiring
2. Gas Valve
3. Ignitor
4. Oven Sensor