CHECK AND TEST 1

Step 1

Unscrew cover of mainboard with a Cross-head screwdriver. 

Step 2

Press and hold freezer button for a long time.


Step 3

Later 1 and 3 appear in freezer temperature area.

Note
1 means:
start forced cooling.
3 means:
start manual defrost.



Step 4
When 3 appears, remove finger and select manual defrost.


Step 5

Test voltage of defrost heater terminals as shown in picture.

WARNING!
HIGH VOLTAGE!

Step 6

Take note of result. Then, remove plug off to quit manual defrost.

DIAGNOSIS 1


PROCEDURE 1

Step 1

Disconnect terminals. 

.

Step 2
Pull out all the wires.


Step 3

Unscrew the mainboard.


Step 4

Pull out the buckle to remove the mainboard.


PROCEDURE 2


CHECK AND TEST 2 


Step 1

Press and hold freezer button for a long time.

Step 2

Later 1 and 3 appear in freezer temperature area.

Note
1 means:
start forced cooling.
3 means:
start manual defrost.


Step 3

When 3 appears, remove finger and select manual defrost.

Step 4
Test voltage of defrost heater terminals as shown in picture.


WARNING!
HIGH VOLTAGE!


 


 

Step 5

Take note of result. Then, remove plug off to quit manual defrost.


DIAGNOSIS 2

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