LG LSC27914SB Owner's Manual - Page 93

After 3 minutes execute DISPLAY CHECK MODE

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10) Abnormal Freezer Fan Error NO. CHECKING FLOW 1) Reset product. 2) Remove Cover PCB. 3) Enter to TEST MODE 1 (press once TEST S/W on Main PCB) 5 RESULT & SERVICE ACTION Result Service Action (a) ~ (b) Below 10V Change Main PCB (b) ~ (c) 0V or 5V Go to Step 6 (a) ~ (b) 4) Check voltage in CON 6 as shown in the pictures. (b) ~ (c) Disconnect Motor connector, and check status of plated terminals. 6 Terminals contact surface must be free of rust and dirt. Also, the terminals must be assured with a T.P.A., Motor wire must not have any damage. Reset the product. After 3 minutes execute DISPLAY CHECK MODE, check the result. 7 Result Wire damage,rust, dirt, TPA absences. Normal appearance Service Action Replace Motor Go to Step 7 Result All Display LED's are turned ON Normal Service Action Explain to the customer Freezer Fan Error Code appears Abnormal Replace Freezer Fan Motor - 92 -

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1) Reset product.
2) Remove Cover PCB.
3) Enter to TEST MODE 1 (press once TEST S/W
on Main PCB)
4) Check voltage in CON 6 as shown in the pictures.
Disconnect Motor connector, and check status of
plated terminals.
Terminals contact surface must be free of rust and
dirt. Also, the terminals must be assured with a
T.P.A., Motor wire must not have any damage.
5
NO.
CHECKING FLOW
RESULT & SERVICE ACTION
6
Result
Service Action
(a) ~ (b)
(b) ~ (c)
Change Main PCB
Below 10V
0V or 5V
Go to Step 6
Reset the product.
After 3 minutes execute DISPLAY CHECK MODE,
check the result.
Result
Service Action
All Display
LED’s are
turned ON
Freezer Fan
Error Code
appears
Explain to the customer
Normal
Abnormal
Replace Freezer
Fan Motor
7
(a) ~ (b)
(b) ~ (c)
Result
Service Action
Wire damage,rust, dirt,
TPA absences.
Normal appearance
Replace Motor
Go to Step 7
10) Abnormal Freezer Fan Error
- 92 -