LG LRFCS25D3 Series Service Manual page 20

7-5 Defrost Heater Error (dH E)
No
1 Check the Door gasket
2
1.- Check for loose connection in defrost
control part connector.
2-. Check resistance of defrost control part.
3 Input Test 3 Mode.
(Push the button 3 times)
1.- Check for loose connection in
4
2. Check voltage between wires Brown to Blue.
5 Release the test mode.
Push the button 1 times. (Normal)
Checking flow
.
Fuse M
Def'
Sensor
Def'
Heater
CON3 .
Result & SVC Action
Part Result
0 Ω
Fuse-M
Other
34 ~ 42 Ω
Def'
Heater
Other
21 Ω
Def'
Sensor
Other
Result
112 ~ 116 V
0 V
20
SVC Action
Go to the 3
Change Fuse-M
Go to the 3
Change Fuse-M
Go to the 3
Go to the 5
SVC Action
Go to the 5
Replace Main PCB
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