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4.6 T T roub
4.6
roubles
leshoot
hooting
4.6.1 .1 Not
4.6
Nothin
hing is dis
g is displa
played o
<User Check>
<User Check>
• • Turn t
Turn the power sw
he power switch OFF an
• • Unplug
Unplug the AC
the AC cord a
S S t t e e p p
Connection failure of the
Connection failure of the
1 1
panel flat cable
panel flat cable
Connection failure of the low-
Connection failure of the low-
2 2
voltage power supply harness
voltage power supply harness
Connection failure of the LCD
Connection failure of the LCD
3 3
flat cable
flat cable
4 4
A A C C c c o o r r d d f f a a i i l l u u r r e e
5 5
P P a a n n e e l l f f l l a a t t c c a a b b l l e e f f a a i i l l u u r r e e
6 6
L L C C D D f f a a i i l l u u r r e e
7 7
P P a a n n e e l l P P C C B B A A S S S S Y Y f f a a i i l l u u r r e e
Low-voltage power supply
Low-voltage power supply
8 8
PCB failure
PCB failure
9 9
M M a a i i n n P P C C B B f f a a i i l l u u r r e e
4.6
4.6.2 .2 Not
Nothin
hing is dis
g is displa
played o
<User Check>
<User Check>
• • Turn t
Turn the power sw
he power switch OFF an
S S t t e e p p
Connection failure of the key
Connection failure of the key
1 1
PCB flat cable
PCB flat cable
2 2
P P a a n n e e l l f f l l a a t t c c a a b b l l e e f f a a i i l l u u r r e e
3 3
K K e e y y P P C C B B f f a a i i l l u u r r e e
4 4
M M a a i i n n P P C C B B f f a a i i l l u u r r e e
4.6.3 Unab
4.6.3
Unable to
le to perfo
perform p
<User Check>
<User Check>
• • Turn t
Turn the power sw
he power switch OFF an
S S t t e e p p
Connection failure of the panel
Connection failure of the panel
1 1
flat cable
flat cable
Connection failure of the touch
Connection failure of the touch
2 2
panel flat cable
panel flat cable
Connection failure of the key
Connection failure of the key
3 3
PCB flat cable
PCB flat cable
4 4
P P a a n n e e l l P P C C B B f f a a i i l l u u r r e e
5 5
K K e e y y P P C C B B f f a a i i l l u u r r e e
6 6
T T o o u u c c h h p p a a n n e e l l A A S S S S Y Y f f a a i i l l u u r r e e
ing for
for Con
Control
trol Pane
yed on the LC
n the LCD D
itch OFF and then bac
d then back ON again
k ON again. .
cord and then
nd then plug i
plug it again
t again. .
C C a a u u s s e e
yed on the LE
n the LED D
itch OFF and then bac
d then back ON again
k ON again. .
C C a a u u s s e e
rm panel
anel oper
operation
ation
itch OFF and then bac
d then back ON again
k ON again. .
C C a a u u s s e e
Panel P
l Prob
roblem
lems s
R R e e m m e e d d y y
Reconnect the panel flat cable.
Reconnect the panel flat cable.
Reconnect the low-voltage power supply
Reconnect the low-voltage power supply
harness.
harness.
Reconnect the LCD flat cable.
Reconnect the LCD flat cable.
R R e e p p l l a a c c e e t t h h e e A A C C c c o o r r d d . .
R R e e p p l l a a c c e e t t h h e e p p a a n n e e l l f f l l a a t t c c a a b b l l e e . .
R R e e p p l l a a c c e e t t h h e e p p a a n n e e l l u u n n i i t t . .
R R e e p p l l a a c c e e t t h h e e p p a a n n e e l l P P C C B B A A S S S S Y Y . .
Replace the low-voltage power supply PCB
Replace the low-voltage power supply PCB
ASSY
ASSY. .
R R e e p p l l a a c c e e t t h h e e m m a a i i n n P P C C B B A A S S S S Y Y . .
R R e e m m e e d d y y
Reconnect the key PCB flat cable.
Reconnect the key PCB flat cable.
R R e e p p l l a a c c e e t t h h e e p p a a n n e e l l f f l l a a t t c c a a b b l l e e . .
R R e e p p l l a a c c e e t t h h e e k k e e y y P P C C B B A A S S S S Y Y . .
R R e e p p l l a a c c e e t t h h e e m m a a i i n n P P C C B B A A S S S S Y Y . .
R R e e m m e e d d y y
Reconnect the panel flat cable.
Reconnect the panel flat cable.
Reconnect the touch panel flat cable.
Reconnect the touch panel flat cable.
Reconnect the key PCB flat cable.
Reconnect the key PCB flat cable.
R R e e p p l l a a c c e e t t h h e e p p a a n n e e l l P P C C B B A A S S S S Y Y . .
R R e e p p l l a a c c e e t t h h e e k k e e y y P P C C B B A A S S S S Y Y . .
R R e e p p l l a a c c e e t t h h e e p p a a n n e e l l u u n n i i t t . .
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