LG LFXS30786 Series Service Manual page 41

Defrost Error (F dH)
1
Check the door gasket.
Is door gasket damaged?
No
2
Check the def rost control parts.
Is the def rost sensor resistance
22 ↑ or Of f ?
22kΩ↑
3
Input test mode 1.
(Push the test button 1 time)
Check the def rost control parts.
Is heater resistance f ollow below
table?
Yes
4
Replace the
Yes
door gasket.
Check the input voltage into heater.
Is input voltage f ollow below table?
Replace
OFF
product
5
Check the input voltage into heater.
Is input voltage f ollow below table?
1. Change
No the Fuse-M &
Heater.
2. Replace
product
- 41 -
Input test mode 3.
(Push the test button 3 time)
Yes
Input test mode 1.
(Push the test button 1 time)
Yes
1. Check the
No
oulet voltage.
2. Replace
Main PCB.
Replace
No
Main PCB