Unscrew the screw of fridge air duct.
Remove the LED lamp cover and the screw.
Remove the air duct.
Unplug the electrical wires.
Disconnect the terminal of potentiometer.
Remove PCB box from air duct.
a) Use 2 mm slot screw driver to create a gap in front side.
b) Insert a steell ruler to even the gap.
c) Pull the PCB box out.
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
PROCEDURE 1
Remove freezer shelf.
Lever 2 screw covers off.
Step 3
Unscrew 2 screws.
Remove air duct:
a. Hold the decorative cover of air duct;
b. Disconnect the terminal of fan motor;
c. Take air duct away.
CHECK AND TEST 2
Check if terminal is pushed into final
position.
If not, please re-insert the terminal into the buckle.
Check if the terminal is filled with foam.
DIAGNOSIS 2
PROCEDURE 3
Disconnect the terminal of heater.
Take out heat- conducting rod with slotted screw driver.
CHECK AND TEST 3
Reconnect the main control board to the cable.
Please keep all terminals connected with
mainboard, otherwise, mainboard cannot
output power to heater.
DIAGNOSIS 3
Check the connection of wires in foam.
DIAGNOSIS 4