LG LWD3010ST Service Manual page 47

CHECKING FLOW CHART BY FAIRURE
Oven does not heat (including F-9, F-19 Error)
2
Normal?
Yes
Connect the power
Check the value of thermistor by using the test mode
• To enter the testmode, follow these steps:
1. press the "clear" key
2. press the "LOWER BAKE", "LOWER BROIL" key at the same time for one second
3. press the "LOWER BAKE", "LOWER BROIL" key at the same time again.
4. press the NUM "3" key
Normal : The sensor value is from 70°F to 90°F at 25°C.
3
No
Replace the error heater
END
9-8
UPPER SENSOR
LOWER SENSOR