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 buckles 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