Failure Code Summary - LG LDE4413ST Service Manual

Code Description
F1 (Upper)
Sensor open
F4 (Lower)
F2 (Upper) Sensor short
F5 (Lower)
F3 Key short
F6 (Upper)
Oven hot
F16 (Lower)
F9 (Upper) Oven
F19 (Lower) No heating
F10 (Upper) Door Lock
F20 (Lower) Fail
TROUBLESHOOTING

FAILURE CODE SUMMARY

explanation
Oven Thermistor is open
Oven Thermistor is shorted.
1. If '25 key short' occurred 3 times in 90
seconds.
2. If communication is impossible
with Touch IC more than 60 seconds
The oven temperature is over 650℉
continuously for 2 minutes during cooking
except self cleaning.
EXCEPT PROOF, WARM and EASY CLEAN
Starting temperature of 130 ℉ or less, and
the oven door is closed, the oven inside
temperature does not go up more than 10℉
compared with the starting temperature for
5minutes after the start of cooking.
If the Door Lock fails while operating the Lock
motor.
7-2
Check point
1.Wiring
2.Oven Sensor
1.Wiring
2.Oven Sensor
1.Wiring
2. Touch PCB
Oven Sensor
1.Electrical Wiring
2.Oven Sensor
1. Electrical Wiring
2. Motor's Resistance
3. Micro Switch