LG LFXS32726 Series, Service Manual

Page: 37 / 110

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Defrost Error (F dH)
1
Replace the
door gasket.
Check the door gasket.
Is door gasket damaged?
Yes
No
3
Check the defrost control parts.
Is heater resistance follow below
table?
No
Yes
1. Change
the Fuse-M &
Heater.
2. Replace
product
4
Yes
2
Check the defrost control parts.
Is the defrost sensor resistance
22
Ꮒ
↑ or Off?
OFF
22kΩ↑
Replace
product
1. Check the
oulet voltage.
2. Replace
Main PCB.
No
5
Yes
Replace
Main PCB
No
%QP
VJ VJ
RKP
4GUKUVCPEG
=Ć?
ȕȔ N
ȕȔ N
ȕȔ N
ȕȔ N
ȕȔ N
6GUV/QFG 4GUKUVCPEG=Ć?
+HDWHU 5HVLVWDQFH
&21 UG ė WK SLQ
a
Input test mode 1.
(Push the test button 1 time)
6GUV/QFG 8QNVCIG =8?
&21 UG ė WK SLQ a
Check the input voltage into heater.
Is input voltage follow below table?
Input test mode 3.
(Push the test button 3 time)
Check the input voltage into heater.
Is input voltage follow below table?
Input test mode 1.
(Push the test button 1 time)
6GUV/QFG 8QNVCIG=8?
&21 UG ė WK SLQ