CHECK AND TEST 1
Step 1
Power on the appliance,
and press the button on
PCB to start manual defrost.
Step 2
Test voltage of defrost
heater terminals as shown in
the picture.
WARNING!
HIGH VOLTAGE!
Step 3
Take note of result.
Then, remove plug off
to quit manual defrost.
DIAGNOSIS 1
CHECK AND TEST 2
Step 1
Open the door to let
internal temperature rise up
to start fan.
Step 2
Test voltage from fan
terminals as shown in
the picture.
Step 3
Take note of result.
DIAGNOSIS 2
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,
and press the button on
PCB to start manual defrost.
Step 2
Test voltage of defrost
heater terminals as shown in
the picture.
WARNING!
HIGH VOLTAGE!
Step 3
Test the voltage from
terminal for fan.
Step 4
Take note of result.
Then, remove plug off
to quit manual defrost.
DIAGNOSIS 1
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