LG LDG4315ST Service Manual page 75

Plug in the unit
3
Is the value of thermistor
normal? (Refer below)
Check with the test mode
To enter the test mode,
follow these steps:
(1) press the CLEAR button
(2) press the upper BAKE and BROIL buttons
at the same time
(3) press the upper BAKE and BROIL button
at the same time again.
(4) press the NUM 3 button
Normal: Thermistor value at room temp is
from 70˚F to 90˚F
4
Replace the Main PCB
TROUBLESHOOTING
Yes
Go to No 1
Current Oven Temp
No
8-19