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7-4. Door Switch
The switch sense if the door open or close.
- 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.
Check the resistance between connectors 1,2 and 3,4 .It means
check whether or not applying an electric current. If there is
resistance, it means the switch not inferiority
Function
How to
Measure
<Switch, Freezer> <Switch, Refrigerator>
Beep Beep
Standard Multimeter beep – Switch F,R
None (∞ Ω)
Beep or 0 Ω
Push the button(Plunger)Nomal
1 2 4 1 2 3 43
3 4 2 1
Button
(Plunger)