CHECK AND TEST 1

Step 1

Unscrew cover of
mainboard with a
Cross-head screwdriver.

Step 2

Press the button SW1
on mainboard, within 1
minute after powering on
the appliance, to start
manual defrost.

Step 3

Test voltage from
terminal for defrost
heater in PCB area.

Step 4

Take note of the result.
Later power off to quit
manual defrost.


The value should be
230V.

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.

Step 5

Prize off the buckle to
remove mainboard.

PROCEDURE 2


DIAGNOSIS 3


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