CHECK AND TEST 1

Step 1

Unscrew cover of
mainboard with a
cross-head screwdriver.

Step 2

In PCB area, check if terminal is inserted to final position. If not, reinsert it to final position. 





           

Step 3

Measure resistance of heater from terminal in PCB area.

Step 4

Check the result.

DIAGNOSIS 1


Step 4

Measure resistance of
heater from terminal in
PCB area.

PROCEDURE 1


Step 1

Remove all shelves.

Step 2

Remove upper drawers. .   

Step 3

Remove bottom drawer.  

Step 4

Remove drawer cover .





Step 5

Remove glass shelves under drawers.

Step 6

Prize off the decorative panel and take if off.

Step 7

Unscrew the upper air duct.  

Step 8

Pull outward and take off the upper air duct.  

Step 9

Unscrew the lower airduct.  

Step 10

Disconnect the connectors between airduct and cabinet.  

Step 11

Remove the lower air duct.

CHECK AND TEST 2

Step 1 

Check if terminal is pushed properly into final position.

Step 2

Check if the terminal is stuffed with foam.

Step 3

Check if wires of defrost heater are broken. If yes, follow procedures to replace the heater.

Step 4

Measure resistance of heater from terminal in freezer.

DIAGNOSIS 2


PROCEDURE 2



Step 1

Disconnect terminal of heater.



Step 2

Unscrew the two screws with 6mm cross-head screwdriver.


Step 3
Cut off the fastening strap.  

Step 4

Take out the holding foam.

Step 5

Loosen heater fastening clips.


Step 6

Lift evaporator with heater up 20mm. Bottom of evaporator must be higher than the edge of water trough.  

  Step 7  

Remove the heater.

Reverse steps above to reinstall the heater and pay attention to the key points below

Tip 1

Do not damage the wires of the heater while installing the new heater.  

CHECK AND TEST 3


Step 1

Set multimeter to resistance gear.  

Step 2

Put detector into one end of wires in PCB area. Put another detector into end of wires behind air duct.  

DIAGNOSIS 3


CHECK AND TEST 4


Step 1

Unscrew cover of mainboard with a Cross-head screwdriver.  

Step 2

Take of the cover of mainboard.


Step 3

Power on the appliance and let it runs for at least 1 minute.

Step 4

Press the switch button on mainboard, then the appliance will enter manual defrost mode.

Note

Step 5

Put your hand close to defrost heater.

DIAGNOSIS 4



PROCEDURE 4


Tip 1

Make sure the sealing sponges are in good condition.

Tip 2

When reinstalling the air duct, fasten the wires to avoid crushing with air duct.

Tip 3

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

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