PROCEDURE 1

Note

LED terminals are assembled with
mainboard, you need to disassemble the
mainboard. 

Step 1

Unscrew the screw of fridge air duct.

Step 2

Remove the LED lamp cover and the screw.

Step 3

Remove the air duct.

Step 4

Unplug the electrical wires.

Step 5

Disconnect the terminal of potentiometer.

Step 6

Remove the UI film.

Step 7

Remove PCB box from air duct.
a) Use 2 mm slot screw driver to create a gap in front side.

b) Insert a stell ruler to even the gap.

c) Pull the PCB box out.

Step 8

Disassemble PCB box.
a）Prize off the buckle;
b) Remove the cover;

c) Disconnect the terminals;
d) Unscrew and remove the PCB.

CHECK AND TEST 1

Step 1

Check if the terminal is filled with foam.

Step 2

If so, use tweezers to remove it.
Picture on right only shows removal method.

Step 1

Reconnect the terminals for sensor,
mainboard and LED.
Check to see if there any wires are broken.

DIAGNOSIS 2


PROCEDURE 1


Step 1

Cut off the wire. 

Step 2

Peel off the sleeves. 

Step 3

Make sure wires are in proper order and connect them. 

Step 4

Tin soldering. 

Step 5

Cover connecting point with electrical tape. 

CHECK AND TEST 2

Step 1

In PCB area, from the terminal supplier power to LED to see if LED could be started or not.

DIAGNOSIS 3


CHECK AND TEST 3

Step 1

In PCB area, from the terminal supplier power to LED to see if LED could be started or not.

DIAGNOSIS 3

GO BACK TO COMPONENT LIST