CHECK AND TEST 1

Step 1

Unscrew cover of
mainboard with a
cross-head screwdriver.

Step 2

Check if terminal is
inserted to final position
in PCB area.

Step 2

Check if wire order for
LED is right or not in
PCB area.
Right picture shows the
correct condition.

Step 3

Check if wire order
is correct, or if terminal
is filled with foam.
Use tweezers to pick
foam out and insert the
terminal into its position
again.

DIAGNOSIS 1

GENERAL PROCEDURES
FOR RECONNECTING
INTERNAL WIRES.

Step 1

Cut wire off.

Step 2

Peel off the sleeves.


Step 3

Check to ensure proper
wire order and reconnect
them.

Step 4

Tin soldering.

Step 5

Cover connecting point
with electrical tape.

CHECK AND TEST 2

Step 1

Power on the appliance,
open fridge door, check
if LED light is on or not.

Step 2

Press down the
mechanical switch,
check if LED light is off or
not.

DIAGNOSIS 2

PROCEDURE 1


Step 1

Prize off the cover with
2mm slotted driver.

Step 2

Unscrew with 6mm cross
-head screwdriver.


Step 3

Pull down the lamp box.


Step 4

Disconnect the terminal.

Step 5

Loosen the clips and take
off the LED lamp.


CHECK AND TEST 3



Step 1

Provide DC12V to LED on
the top to check if it is on
or not.

DIAGNOSIS 3

CHECK AND TEST 4

Step 1

Set multimeter to
resistance gear.

Step 2

Check wire connection
from PCB area to LED
area.

DIAGNOSIS 4