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The Switch senses if the door is open or close.
.When the door open, lamp On
.When the door Close, lamp Off
ȉ close Door and check the lamp Through the gap
ඖ
Check Voltage Between CON3 30th pin
and 29th pin
3
ඖ
Check the Reed S/W resistance
-.No Magnet
-.Magnet Near the Switch
-.Resistance & Service Action
-.Magnet must be center of Switch
Magnet Center
Switch Center
(O)
Good position
Bad position
(X)
Magnet Center
Switch Center
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5HVXOW 69&$FWLRQ
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&KHFN5HHG6:
&KHFN+DUQHVV
disconnection
,I 1RRNFKDQJH 3&%
,QFDVHRI
'RRU 2SHQ
9
1.CheckReed S/W
2.CheckHarness disconnection
3.If No.1,2 ok ,change PCB
2
2
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10-3-2 Door Switch,F
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LG Electronics Inc. All rights
reserved. Only training and service purposes.