8.1 RELIABILITY FAULTS:

BUTTON ON DISPLAY DOESEN'T WORK

CHECK AND TEST 1

Step 1

Open the lower door, fridge LED flashes 5 times for warning, then stays off for 3 seconds.
LED light repeats this cycle of 5 flashes continuously.

DIAGNOSIS 1


PROCEDURE 1



Step 1

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

Step 2

Pull out display board.

DIAGNOSIS 2


PROCEDURE 2



Step 1

Cut wire off from broken
area.

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.

CHECK AND TEST 2

Step 1

Check whether no display by undetected causes.

DIAGNOSIS 3



PROCEDURE  3



Step 1

Unscrew cover of mainboard with a Cross-head screwdriver.

Step 2

Pull out the buckle to take out wires.

Step 3

Unscrew the mainboard.

Step 4

Disconnect terminals.

Step 5

Pull out the buckle to remove mainboard.

Reverse above steps to install a new board.

PROCEDURE 4


Step 1

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

Step 2

Pull out display board.

Reverse above steps to install a new display board.

DIAGNOSIS 4


PROCEDURE 5


Tip 1

After connecting terminal, please tape wires in place to prevent crushing by the cover.

Tip 2

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

Tip 3

No display caused by internal wires.

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