LG LSC27914ST Owner's Manual - Page 112

Check the Damper Motor impedance.

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18) Over cooling in Refrigerator section NO. CHECKING FLOW Remove the EPS duct carefully (without disconnect). Look for damper baffle and check the movement by entering to TEST MODE 1 (Press once) and TES MODE 2 (Press once again). 8 TEST MODE 1 RESULT & SERVICE ACTION Result Service Action TEST MODE 1 Open Normal Not works Go to Step 9 TEST MODE 2 Close Normal Not works Go to Step 9 TEST MODE 2 1) Unplug Damper Motor. 2) Check the Damper Motor impedance. 123 9 65 4 TEST MODE 1 Damper OPEN TEST MODE 2 Damper CLOSE Result Service Action 1 ~6 369 ~ 451Ù Change PCB Other Change Damper 2~5 369 ~ 451Ù Change PCB Other Change Damper 3~4 129.6~158.4Ù Change PCB Other Change Damper - 111 -

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18) Over cooling in Refrigerator section
CHECKING FLOW
RESULT & SERVICE ACTION
8
9
NO.
Remove the EPS duct carefully (without disconnect).
Look for damper baffle and check the movement by
entering to TEST MODE 1 (Press once) and TES
MODE 2 (Press once again).
Result
Service Action
TEST
MODE 1
Normal
Open
Not works
Go to Step 9
Normal
Close
Go to Step 9
TEST
MODE 2
Not works
TEST MODE 1
Damper OPEN
TEST MODE 2
Damper CLOSE
TEST MODE 1
TEST MODE 2
1) Unplug Damper Motor.
2) Check the Damper Motor impedance.
4
5
6
1
2
3
Result
Service Action
~
Change PCB
369 ~ 451
Ù
Other
Change Damper
~
Change PCB
369 ~ 451
Ù
Other
Change Damper
1
6
2
5
~
3
4
129.6~158.4
Ù
Change PCB
Change Damper
Other
- 111 -