8.1 RELIABILITY COMPONENT:

BUTTON ON DISPLAY DOESEN'T WORK

CHECK AND TEST 1

Step 1

If you have verified that
it is impossible to adjust
settings using the button
on the display board.

DIAGNOSIS 1


 PROCEDURE 1


Step 1
Push a 6mm sucker
onto display and turn
the knob to strengthen
suction force.

Step 2

Attach strap to knob
to facilitate pulling out
display board.

Tips for proper
installation of display.


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.


Please press all
buttons on display
board to make sure
display functions
properly.


CHECK AND TEST 2


Step 1

Check to see if all
buttons in display board
work well or not.

DIAGNOSIS 2


PROCEDURE 2

Step 1

Lever 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 display out by the
corner.

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


Tip 1

Please press all buttons
on display board to verify
if it is working properly.
Make sure all words and
icons are clear.

Tip 2

If not clear, disassemble
and put tape on points
indicated by red circles.

CHECK AND TEST 3

Step 1

Check to see if all
buttons in display board
work well or not.

DIAGNOSIS 3


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