LG LRE3193BD Service Manual page 46

Code Description
F1 Sensor open
F2 Sensor short
F3 Button short
F6 Oven hot
F9 Oven
No heating
CHECK THE FAILURE CODE GENERAL
How to detect
Oven Thermistor is open
Oven Thermistor is short
When some button is continuously short for >= 60 seconds.
The oven temperature is over 650 ˚F continuously during 2
minutes on cooking except self cleaning.
EXCEPT PROOF and WARM
Case 1: start temperature does not exceed 130 ˚F and oven
temperature is less equal than 150 ˚F and max oven temperature
is less equal than start oven temp.
Case 2: oven temperature is less equal than 100 ˚F over 5
minutes on preheating.
-7-1-
Check point
1. Wiring
2. Oven Sensor
1. Wiring
2. Oven Sensor
1. Wiring
2. Touch PCB (in case of Glass
Touch Model)
Oven Sensor
1. Electric Wiring
2. Oven Sensor