CHECK AND TEST 1

Step 1

Unscrew cover of mainboard with a cross-head screwdriver. 

Step 2

In PCB area, check if terminal is pushed into final position.

If not, redo it. 

Step 3

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

Step 4

Remove foam with tweezers. 

Step 5

Measure resistance of heater from terminal in PCB area. 

Step 6

Check the result. 

DIAGNOSIS 1

PROCEDURE 1

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 decorative cover of air duct; 

b. Pull air duct out; 

c. Disconnect the terminal of fan motor; 

d. 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 2

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. 

Reverse procedures above to reinstall the heater. 

Step 7

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

DIAGNOSIS 3

CHECK AND TEST 3

Step 1

Connect 2 ends on terminal in PCB area. 

Step 2

Check the connection of wires in foam. 

DIAGNOSIS 4

PROCEDURE 3

Tip 1

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

Tip 2

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

Tip 3

Check to see if there is a wide gap between air duct and cabinet.

If gap is large, re-install air duct. 

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