CHECK AND TEST 1

Step 1

Unscrew cover of
mainboard with a
cross-head screwdriver.

Step 2

Check if terminal is not
insert final position.

Step 3

In mainboard area, check
if terminal is stuffed with
foam.


Step 4

Measure resistance of
heater from terminal in
PCB area.

Step 5

Check the result.

DIAGNOSIS 1


PROCEDURE 1


Step 1

Remove the drawers

Step 2

Remove the glass
partition.

Step 3

Remove the 3 screw
covers.

Step 4

Remove the 3 screws.



Step 5

Pull air duct out.

Step 6

Disconnect the terminal
of fan motor.

Step 7

Remove the air duct.

CHECK AND TEST 2

Step 1

Step 1
Check to see if terminal
is full of foam.
If yes, use tweezers
to remove foam.

Step 2

Ensure terminals behind
freezer air duct are
properly inserted.

Step 3

Please press the button
SW1 on mainboard
(within 1 minute after
powering on the
appliance) to start
manual defrost.

DIAGNOSIS 2


CHECK AND TEST 3

Step 1
Connect 2 ends on
terminal in PCBarea.

Step 2

Check the connection
of wires in foam with
multimeter.

DIAGNOSIS 3

CHECK AND TEST 4

Step 1

Check if wires for defrost
heater are broken or not.

DIAGNOSIS 4


PROCEDURE 2

Step 1

testo testo

Step 1

Cut off the wire.

Step 2

Peel off the sleeves.


Step 3
Ensure proper wire order
and connect.

Step 4

Tin soldering.

Step 5

Cover point of
connection with
electrical tape.

CHECK AND TEST 5

Step 1

Measure the resistance
of heater from terminal in
freezer

DIAGNOSIS 5


PROCEDURE 3


Step 1

Disconnect the terminal
of heater.

Step 2

Use screwdriver to
remove the heat
conductor (if any).

Step 3

Use 6mm cross-head
driver to unscrew on left
and right.

Step 4

Lift evaporator and
heater 20mm, the
bottom must be higher
than the edge of the
trough.

WARNING:
Be careful not to deform
pipes in red square
during steps 4.

Step 5

Loosen the clips for
fastening heater. There
are 8 clips in total.

Step 6

Remove the heater.


Reverse above
procedures to reinstall
the heater.

CHECK AND TEST 6

Step 1

Ensure terminals behind
freezer air duct are
properly inserted.

Step 2

Power on and press
the button SW1 on
mainboard (within 1
minute after powering
on the appliance) to start
manual defrost.

DIAGNOSIS 6


PROCEDURE 4


Tip 1

When reassembling the
air duct, move wires to
prevent crushing with
edge of air duct.

Tip 2

After pushing air duct
into position, it should
make a click sound. If no
click is heard, do it again.


Tip 3
Check to see if there is
a large gap between air
duct and cabinet.
If there is, re-install
air duct again.

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