LG LSC27914ST Owner's Manual - Page 88

Abnormal Ice maker Unit Error

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8) Abnormal Ice maker Unit Error NO. CHECKING FLOW Remove Cover PCB, then check for any loose connection in CON 8. 1 RESULT & SERVICE ACTION Result Firmly plugged Loose Service Action Go to Step 2 Remove Tray ice, remove screw of Ice maker unit, quit Ice maker from holders and check for any loose connection. 2 Result Firmly plugged Loose Service Action Go to Step 3 Check Voltage from Ice maker S/W in CON 8. 3 Result 5V ON 0V Other 5V OFF 0V Other Service Action Replace Ice maker unit Go to Step 4 Replace Main PCB Go to Step 4 Replace Ice maker unit Replace Main PCB Check Voltage from Ice maker TEST S/W in CON 8. Press the TEST S/W of Ice maker unit for 3 seconds, permit finish Test Cycle before press again. 4 Result 5V ON 0V Other 5V OFF 0V Other Service Action Replace Ice maker unit Go to Step 5 Replace Main PCB Go to Step 5 Replace Ice maker unit Replace Main PCB - 87 -

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8) Abnormal Ice maker Unit Error
Remove Cover PCB, then check for any loose
connection in CON 8.
Remove Tray ice, remove screw of Ice maker unit,
quit Ice maker from holders and check for any
loose connection.
Result
Service Action
Firmly plugged
Loose
Go to Step 2
Result
Service Action
Firmly plugged
Loose
Go to Step 3
Check Voltage from Ice maker S/W in CON 8.
Result
Service Action
OFF
Replace Ice maker unit
ON
5V
0V
Other
Go to Step 4
Check Voltage from Ice maker TEST S/W in CON 8.
Press the TEST S/W of Ice maker unit for 3 seconds,
permit finish Test Cycle before press again.
1
2
NO.
CHECKING FLOW
RESULT & SERVICE ACTION
3
4
5V
0V
Other
Replace Main PCB
Go to Step 4
Replace Ice maker unit
Replace Main PCB
Result
Service Action
OFF
Replace Ice maker unit
ON
5V
0V
Other
Go to Step 5
5V
0V
Other
Replace Main PCB
Go to Step 5
Replace Ice maker unit
Replace Main PCB
- 87 -