LG LMX28988 Series - Replacing the Water Filter; Remove the Old Water Filter Cartridge

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9-2 Crush mode doesn’t work
No
1
2
Checking flow
Check for a lose connection.
Check the Sky Blue to White.
(While pushing the lever S/W)
Result & SVC Action
3 Check the RED to White Red.
(While pushing the lever S/W)
4 Check the resistance value.
Pushing
Not
pushing
112 ~ 115 V
Other
0 ~2 V
Other
Go to the 3
Change PCB
Go to the 3
Change PCB
Lever s/w Result SVC Action
Pushing
Not
pushing
9 ~ 12 V
Other
0 ~2 V
Other
Go to the 4
Change PCB
Go to the 4
Change PCB
Lever s/w Result SVC Action
(1) to (2)
(3) to (4)
31.1 ~ 42.1
Ω
Other
9.9 ~ 12.1
Ω
Other
It’s normal
Replace
Geared Motor
It’s normal
Replace
Dispenser Motor
Point Result SVC Action
<CON2>
<CON1><CON3>
<Ice Maker>
<Geared Motor> <Dispenser Motor>
(2)(1)
(3)
(4)