Failure Code Summary - LG LUTE4619SN 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)
F18 Probe short
F9 (Upper) Oven
F19 (Lower) No heating
F10 (Upper)
Door Lock Fail
F20 (Lower)
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.
Lower oven probe is shorted
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.
8-2
Check point
1.Wiring
2.Oven Sensor
1.Wiring
2.Oven Sensor
1.Wiring
2. Touch PCB
Oven Sensor
1. Wiring
2. Probe Sensor
1.Electrical Wiring
2.Oven Sensor
1. Electrical Wiring
2. Motor's Resistance
3. Micro Switch