CHECK AND TEST 1

Step 1
Unscrew with cross head screw driver.

Step 2

Remove the mainboard cover.

Step 3

Insert multimeter detection pins into
mainboard output.

Step 4

Open one fridge door. Test output of
mainboard.

DIAGNOSIS 1

PROCEDURE 1

Step 1

Unscrew with cross head screw driver.

Step 2

Remove the mainboard cover.

Step 3

Disconnect the terminals.

Step 4

Loosen the buckle.

Step 5

Take out mainboard.

Reverse above steps to install a new board.

DIAGNOSIS 2

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