CHECK AND TEST 1
Step 1
Unscrew cover of mainboard with a cross-head screwdriver.
Step 2
Put detect pins of
multimeter into output of
mainboard.
Step 3
After power on, open
freezer door.
Step 4
Test output of mainboard
for LED light.
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 to
remove mainboard.
Reverse steps above
to install a new
mainboard.
CHECK AND TEST 2
Step 1
Power on the appliance,
open fridge door, check
if LED light is on or not.
Step 2
After power on, open
freezer door and press
switch in to check if LED
is off.
DIAGNOSIS 2
GO BACK TO COMPONENT LIST