CHECK AND TEST 1

Note

Step 1

Unscrew cover of mainboard with a Cross-head screwdriver. 

Step 2

Check if the terminal is filled with foam or not, then test resistance of sensor from terminal in PCB area. 

Step 3

Take note of value.

Step 4

Measure the temperature of sensor.

Using the tested temperature, find out the standard resistance value in table below. 

DIAGNOSIS 1


PROCEDURE 1



Step 1

Remove shelves. 

Step 2

Remove chill box. 

Step 3

Remove chill flap. 

Step 4

Lever 2 decorative strips off and remove. 

Step 5

Remove the 4 screws. 

Step 6

Pull out fridge air duct. 

Step 7

Disconnect the terminals. 

CHECK AND TEST 2

Step 1

Test resistance of sensor from terminal in duct cover. 

Step 2

Measure the temperature of sensor. 

DIAGNOSIS 2


PROCEDURE 2


Step 1

Remove knob or cover. 

Step 2

Loosen clasps. 

Step 3

Remove foam. 

Step 4

Take off the tape and remove the sensor. 

Step 5

Make sure the sensor wires are fixed well.


Reverse procedures above to reinstall fridge air duct. 

DIAGNOSIS 3


CHECK AND TEST 3

Step 1

Check if terminal is full of foam.

Step 2

Remove foam with tweezers. 

Step 3

Check if the connections of wires in foam are good or not. 

DIAGNOSIS 4


PROCEDURE 3


Step 1

Unscrew cover of mainboard with a Cross-head screwdriver. 

Step 2

Unscrew the mainboard. 

Step 3

Pull out the buckle to take out wires. 

Step 4

Disconnect terminals. 

Step 5

Pull out the buckle to remove mainboard.


Reverse above steps to install a new board. 

PROCEDURE 4


Tip 1

When reinstalling fridge air duct, first put the positive end of buckle on the top into the negative ends. 

Tip 2

Then put the positive end of buckle on the sides into the negative ends. 

Tip 3

Later, fasten the buckles on the sides by knocking them in. 

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