CHECK AND TEST 1

Step 1

Unscrew cover of mainboard with a cross-head screwdriver.

Step 2

Insert multimeter detection pins into mainboard output.

Step 3

Open fridge door to test output.

Step 4

Test utput of mainboard.

DIAGNOSIS 1


PROCEDURE 1


Step 1

Unscrew cover of mainboard with a
Cross-head screwdriver.

 

Step 2

Disconnect terminals.

 

Step 3

Unscrew the mainboard.

Step 4

Prize off the buckle.

Step 5

Remove the mainboard.


Reverse above steps to install a new board.

CHECK AND TEST 2

Step 1

Power on the appliance, open fridge door, check if LED light is on or not.

Step 2

Press down the mechanical switch,
check if LED light is off or not.

DIAGNOSIS 2


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