CHECK AND TEST 1
Step 2
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OUTSIDE DISPLAY
a) Press FREEZER button together with MODE button and hold for 5 seconds, buzzer alarm, 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:
a) Press TEMP button
together with MODE
button and hold for 5
seconds.
Alerm will sound, 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.
Note
Step 2
Unscrew cover of mainboard with a Cross-head screwdriver.
Step 3
Test voltage of terminals for defrost heater using multimeter.
Step 4
Take note of the result and then power off to quit manual defrost.
DIAGNOSIS 1
GENERAL DISASSEMBLY AND INSTALLATION PROCEDURES
Step 1
Unscrew cover of mainboard with a Cross-head screwdriver.
Step 2
Disconnect terminals.
Step 3
Prize off earthing wires.
Step 4
Unscrew the mainboard.
Step 5
Prize off the buckle to remove mainboard.
Reverse steps above to install a new mainboard.
CHECK AND TEST 2
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