LG LSC27914ST Owner's Manual - Page 95

Check Duct Motor signal in CON 9.

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11) Ice Cube Mode is not working NO. CHECKING FLOW Remove Cover dispenser, then check for any loose connection in Duct motor. 5 RESULT & SERVICE ACTION Result Firmly plugged Loose Service Action Go to Step 6 Unplug connector from Duct motor and check the resistance value. 6 Result Service Action 9.9 ~12.1 Ù Go to Step 7 2 to 3 Other Replace Duct Motor Check Duct Motor signal in CON 9. NOTE: Voltage only will be appreciated during the first second after press lever S/W after release lever S/W voltage to close Duct Motor will be applier. 7 Refer to next diagram. ITEM STATUS Pressed Lever S/W Released 012345 6 7 8 9 10 11 12 13 12V Duct Motor 0V -12V Lever S/W Pressing +/- 12Vdc Other Service Action Go to Step 8 Change PCB Not Pressing Same than Go to Step 8 pressing voltage, but inverted Other Change PCB - 94 -

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Remove Cover dispenser, then check for any
loose connection in Duct motor.
Check Duct Motor signal in CON 9.
5
NO.
CHECKING FLOW
RESULT & SERVICE ACTION
6
NOTE: Voltage only will be appreciated during the
first second after press lever S/W after release
lever S/W voltage to close Duct Motor will be applier.
Refer to next diagram.
Result
Service Action
to
Go to Step 7
9.9 ~12.1
Ù
Other
Replace Duct Motor
7
11) Ice Cube Mode is not working
Unplug connector from Duct motor and check the
resistance value.
Result
Service Action
Firmly plugged
Loose
Go to Step 6
2
3
Lever S/W
Service Action
Pressing
Go to Step 8
+/- 12Vdc
Other
Change PCB
Not
Pressing
Go to Step 8
Same than
pressing
voltage, but
inverted
Other
Change PCB
ITEM
STATUS
Pressed
Lever S/W
Released
0
1
2
3
4
5
6
7
8
9
10
11
12
13
12V
Duct Motor
0V
-12V
- 94 -