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

Unscrew hinge cover.

Step 4

Check if terminal in hinge cover is inserted to final position.

If not, reinsert it to final position.

DIAGNOSIS 1


CHECK AND TEST 2

Step 1

Check whether wire order in PCB area and hinge cover area is correct or not.

Right picture shows the correct wire order.

DIAGNOSIS 2


PROCEDURE 1


GENERAL PROCEDURES FOR WIRE RECONNECTION.

Step 1

Cut wire off.

Step 2

Peel off the sleeves.

 

Step 3

Check to ensure proper wire order and connect them.

Step 4

Tin soldering.

 

Step 5

Cover connection with electrical tape.

PROCEDURE 2


Step 1

Push a 6mm sucker onto display and turn the knob to strengthen suction force.

Step 2

Wrap a belt around knob to make it easier to pull out of display board.

Tips for installing display.

Tip 1

After connecting terminal, please use tape to fasten wires to avoid crushing with cover.

Tip 2

After putting display
into cavity, press edge until you hear a clicking sound, this means the board is pushed into final position.

Tip 3

Please press all buttons on display board to make sure it works well.

PROCEDURE 3


Step 1

Prize off the cover on door cap.

 

Step 2

Remove the screws (in total 2).

Step 3

Pull out the plastic.

Step 4

Disconnect the terminal for display panel.

Step 5

Remove tape.

Step 6

Push the display away from the corner.

Reverse steps above to install display board.
Follow tips carefully:

Tip 1

Please press all buttons on display board to check if it works well or not. Make sure words and icons are clear.

Tip 2

If not, disassemble it and put tape onto the point indicated by red circle.

PROCEDURE 4


Step 1

Prize off the cover with slotted driver from back of cover.

 

Step 2

Unscrew with 6mm Cross-head screwdriver.

Step 3

Pull down the lamp box.

Step 4

Disconnect the terminals for LED and for control board.

Step 5

Loosen the clips and take off the control panel.

Step 6

Unscrew with 6mm Philips screwdriver and move away the control board.

Reverse steps above to install the controll board. Please note below point:

Tip 1

Pay attention to wires while installing the internal display, to avoid damaging with screw.

CHECK AND TEST 3

Step 1

Check if connection and wire order in display area are correct or not.

CASE 1: OUTSIDE DISPLAY

CASE 2: INTERNAL DISPLAY

DIAGNOSIS 3


CHECK AND TEST 4

Step 1

Set multimeter to resistance gear.

CASE 1: EXTERNAL DISPLAY

Step 2

Check wire connection from PCB area to hinge cover area.

Step 3

Check wire connection from hinge cover area to display area.

DIAGNOSIS 4


CASE 2: INTERNAL DISPLAY

Step 2

Check wire connection from PCB area to display area.

DIAGNOSIS 4


PROCEDURE 5


Step 1

Unscrew hinge cover.

Step 2

Remove the cover.

Step 3

Disconnect the terminals.

Step 4

Unscrew 3 bolts and remove the top hinge.

Step 5

Remove upper door.

Reverse procedures above to restore hinges and doors, however, please pay attention to below points:

Tip 1

Don’t forget to add washer onto hinge pin.

Tip  2

When installing door onto hinge, please check the alignment between door-stopper and hinge.



Tip 3

Make sure gasket is attached well.

 

Tip 4

Make sure gaps between doors are even.

CHECK AND TEST 5


PROCEDURE 6


Step 1

Unscrew cover of mainboard with a cross-head screwdriver.

Step 2

Disconnect terminals.

Step 3

Prize off earthing wires.

Step 4

Unscrew the mainboard

Step 5

Prize off the buckle to remove mainboard.

Reverse steps above to install a new mainboard.

CHECK AND TEST 6


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