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6.7 Door switch
Load voltage:DC24V
Load current:0.05A
6.7.1 Basic parameters
1.Check the connecting wiring of door switch is well or not,repair if it
is broken.Refrigerator door switch corresponding pin No.4 and No.6
on CN4 connector of mainboard,freezer door switch corresponding
pin No.4 and No.7,as the drawing below.
2.Check the magnet on the door is dropped out or not.
3.Normally,when the door is closed,the two pins of door switch should
be short circuit;When the door is open,the two pins should be open
circuit.If the result is not abnormal,change the door switch.
4.If all above is OK,change the mainboard.
6.7.3 Checking method
6.Circuit and checking