CHECK AND TEST 1
Step 1
Unscrew cover of mainboard with a Cross-head screwdriver.
Step 2
Insert multimeter detection pins into terminals for fridge LED on mainboard, here there are 2 LED, one in fridge, another in freezer.
Step 3
Open fridge door to test output.
Step 4
Insert multimeter detection pins into terminals for freezer LED on mainboard.Step 5
Open fridge door to test output.
Step 6
Test output of mainboard.
DIAGNOSIS 1
PROCEDURE 1
Step 1
Unscrew cover of mainboard with a Cross-head screwdriver.
Step 2
Pull out the buckle to take out wires.
Step 3
Unscrew the mainboard.Step 4
Disconnect terminals.
Step 5
Pull out the buckle to remove mainboard.Reverse above steps to install a new board.
DIAGNOSIS 2
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