PROCEDURE 1

Step 1

Unscrew the screw of fridge air duct.


Step 2

Remove the LED lamp cover and the screw.

Step 3

Remove the air duct.

Step 4

Unplug the electrical wires.

Step 5

Disconnect the terminal of potentiometer.

Step 6

Remove the UI film.

Step 7

Remove PCB box from air duct.
a) Use 2 mm slot screw driver to create a gap in front side.

b) Insert a steel ruler to even the gap.

c) Pull the PCB box out.

Step 8

Disassemble PCB box.
a）Prize off the buckle;
b) Remove the cover;

c) Disconnect the terminals;
d) Unscrew and remove the PCB;

CHECK AND TEST 1

Step 1

In PCB area, check if terminal is filled with
foam.

Step 2

Remove foam with tweezers.

Step 3

Measure resistance of heater from terminal in
PCB area.

Step 4

Check the result.

DIAGNOSIS 1

PROCEDURE 2

Step 1

Remove freezer shelf. 

Step 2

Lever 2 screw covers off. 

Step 3

Unscrew 2 screws. 

Step 4

Remove air duct:
a. Hold the air duct from air exit and pull air duct out;

b. Disconnect the terminal of fan motor;

c. Take air duct away.

CHECK AND TEST 2

Step 1

Check if terminal is pushed into final
position.
If not, please re-insert the terminal into the buckle.

Step 2

Check if the terminal is filled with foam.

Step 3

Remove foam with tweezers.

Step 4

Measure the resistance of heater from terminal
in freezer.

DIAGNOSIS 2

PROCEDURE 3

Step 1

Disconnect the terminal of heater. 

Step 2

Take out heat- conducting rod with slotted screw driver. 

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 & 5.

Step 5

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

Step 6

Remove the heater. 

PROCEDURE 4

CHECK AND TEST 3

Step 1

Reconnect the main control board to the cable.

Step 2

Reconnect the electrical wires.

Step 3

Heat fridge temp. sensor.

Step 4

Press LED switch and hold on, then press the
button on mainboard for 3 seconds to start
manual defrost.

Please keep all terminals connected with
mainboard, otherwise, mainboard cannot
output power to heater.

DIAGNOSIS 3

CHEK AND TEST 4

Tip 1

When reinstalling air duct, move wires out of the way to prevent crushing by air duct. 

Tip 2

Check the connection of wires in foam.

DIAGNOSIS 4

PROCEDURE 5


Tip 1

Firstly insert the air duct into the slot at the
bottom.

Tip 2

When reinstalling air duct, move wires out
of the way to prevent crushing with air duct.

Tip 3

After pushing air duct back into position, you
should hear a clicking sound. If there is no
click, please repeat again.

PROCEDURE 6


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