CHECK AND TEST 1
Step 1
Unscrew cover of mainboard with a Cross-head screwdriver.
Step 2
Check if terminal in PCB
area is inserted to final
position.
If not, reinsert it to final
position.
Step 3
Check if wire order for
LED is right or not in
PCB area.
Right picture shows the
correct condition.
Step 4
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 sleeve
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
After power on, open
freezer door and press
switch in to check if LED
is off.
DIAGNOSIS 2
PROCEDURE 1
CASE 1:
LED LIGHT WITHOUT CONTROL BOARD
Step 1
Prize off the cover with 2mm slotted driver.
Step 2
Unscrew with 6mm cross
-head screwdriver.
Step 3
Prize the base out.
1）Prize back part out.
3) Pull the base out.
Step 5
Disconnect the terminals.
Step 6
Remove LED
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
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