CHECK AND TEST 1

Step 1

Unscrew cover of
mainboard with a
Cross-head screwdriver.

Step 2

Power on the appliance
and start manual defrost.


a) Press Freezer Temp.
button together with
Mode button for 5 sec, 0
flashes in freezer temp.
area.

b) Press Freezer
Temp. button, 1 and 3
will appear in freezer
temperature area.


c) When 3 appears,
remove finger and select
manual defrost.


Note

1 means:
start forced cooling.
3 means:
start manual defrost.

Step 3

Measure output voltage
for defrost heater from
terminal on mainboard.

Step 4

Take note of result.

Note


DIAGNOSIS 1


PROCEDURE 1


Step 1

Disconnect terminals.

Step 2

Unscrew the mainboard.

Step 3

Pull out the buckle. 

Step 4

Remove the mainboard. 

PROCEDURE 2


CHECK AND TEST 2


Step 1

Power on the appliance
and start manual defrost.


a) Press Freezer Temp.
button together with
Mode button for 5 sec, 0
flashes in freezer temp.
area.

b) Press Freezer
Temp. button, 1 and 3
will appear in freezer
temperature area.

c) When 3 appears,
remove finger and select
manual defrost.


Note

1 means:
start forced cooling.
3 means:
start manual defrost.

Step 1

Measure output voltage
for defrost heater from
terminal on mainboard.

Step 2

Take note of result.

Note

DIAGNOSIS 2


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