CHECK AND TEST 1
Power on the appliance, and start manual defrost.
CASE 1:
a) Press FREEZER button together with MODE button and hold for 5 seconds. Alarm will sound, freezer temperature shows 0 and flashes.
b) Then touch FREEZER
button continuously,
freezer temperature
will display 0, 1 and 3 in
a loop.
c) When freezer temperature displays 3, stop touching and manual defrost is selected.
CASE 2:
INTERNAL TOP CONTROLLER
a) Press TEMP
button together with
MODE button and
hold for 5 seconds. Alarm will sound, freezer
temperature shows 0
and flashes.
b) Then press Temp button continuously, temperature will display 0, 1 and 3 in a loop;
c) When temperature displays 3, stop pressing and manual defrost is selected.
Unscrew cover of mainboard with a Cross-head screwdriver.
Test voltage of terminals for defrost heater using multimeter.
Take note of the result and then power off to quit manual defrost.
DIAGNOSIS 1
PROCEDURE 1
Unscrew cover of mainboard with a Cross-head screwdriver.
Disconnect terminals.
Prize off earthing wires.
Unscrew the mainboard.
Prize off the buckle to remove mainboard.
Reverse steps above to install a new mainboard.
CHECK AND TEST 2