LG LMX28988 Series - Door Switch

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11-4 Door Switch
Function The switch senses if the door is open or closed.
-When the door open, lamp on.
-When the door open, the switch give information to Micom.
When the door open, internal contact operate on and off moving plunger of door switch up
and down.
How to
Measure
<Switch, Freezer> <Switch, Refrigerator>
Check the resistance between connectors 1, 2 and 3, 4 .It means
check whether or not applying an electric current. If there is
resistance, the switch is good.
Standard
Beep Beep
Multimeter beep – Switch F,R
Nomal
Beep or 0
Ω
Push the button(Plunger)
None (∞
Ω
)
Button
(Plunger)
1
2 3 4
3 4 2 1
1 2 3 4