CHECK AND TEST 1


Step 1

Power on the appliance,
and press the button on
PCB to start manual defrost.

Step 2

Power on the appliance,
and press the button on
PCB to start manual defrost.

WARNING!
HIGH VOLTAGE!

Step 3

Take note of result.
Then, remove plug off
to quit manual defrost.

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,
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


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