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ORTHORALIX 9200
Service Manual
3.19.+14V UNDER RANGE
The system control board PC1 +14V power supply is out of range,
less than 12V (if it is less than 10V, the system control board is
off). In the range between 12V and 16V no alarms are generated.
This power supply is coming from the PFC board PN1 and it is
controlled by the microprocessor of the system control board PC1.
Verify the value of the power supply on the test points TP4 and TP2
(GND) on the PFC board PN1; on the test points TP7 and TP1 (GND)
on the system control board PC1; by checking the LED H1 (ON=OK,
OFF=NOT OK) always on the system control board PC1.
Possible causes:
(1)
check if fuses F3 and F1 on the PFC board PN1 are blown.
(2)
PFC board PN1 defective.
(3)
system control board PC1 defective.
W
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The alarm is captured and stored as soon is detected.
Press the RESET pushbutton on the control panel to cancel the
alarm (if expired).
3.20.+14V OVER RANGE
The system control board PC1 +14V power supply is out of range,
over than 16V. In the range between 12V and 16V no alarms are
generated.
This power supply is coming from the PFC board PN1 and it is
controlled by the microprocessor of the system control board PC1.
Verify the value of the power supply on the test points TP4 and TP2
(GND) on the PFC board PN1; on the test points TP7 and TP1 (GND)
on the system control board PC1.
Possible causes:
(1)
PFC board PN1 defective.
(2)
system control board PC1 defective.
W
f I
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e
h
o
t s
c
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m
p
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P
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P
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3
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C
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a r
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C
h
r a
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S
c e
The alarm is captured and stored as soon is detected.
Press the RESET pushbutton on the control panel to cancel the
alarm (if expired).
DENTSPLY Gendex
A
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a
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C
. )
3.21.+42V UNDER RANGE
The system control board PC1 +42V power supply is under range.
This power supply it is used to energize the step motors.
This power supply is coming from the PFC board PN1 and it is
controlled by the microprocessor of the system control board PC1.
Verify the value of the power supply on the test points TP1 and TP7
(GND) on the PFC board PN1; by checking the LED H3 (ON=OK,
OFF=NOT OK) on the system control board PC1; by checking the
LED V5 (ON=OK, OFF=NOT OK) on the PFC board PQ1.
Possible causes:
(1)
check if fuse F2 on the PFC board PN1 is blown.
(2)
PFC board PN1 defective.
(3)
system control board PC1 defective.
f I
h t
e
h
o
t s
c
m
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o
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d
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C
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f I
o y
u
o f
g r
t e
S
s y
e t
m
C
o
n
g i f
u
a r
o i t
The alarm is captured and stored as soon is detected.
Press the RESET pushbutton on the control panel to cancel the
alarm (if expired).
3.22.+42V OVER RANGE
The system control board PC1 +42V power supply is over range.
This power supply it is used to energize the step motors.
This power supply is coming from the PFC board PN1 and it is
controlled by the microprocessor of the system control board PC1.
Verify the value of the power supply on the test points TP1 and TP7
(GND) on the PFC board PN1.
Possible causes:
(1)
PFC board PN1 defective.
(2)
system control board PC1 defective.
f I
h t
e
h
o
t s
c
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m
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C
o
n
g i f
u
a r
o i t
S
s y
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m
The alarm is captured and stored as soon is detected.
Press the RESET pushbutton on the control panel to cancel the
alarm (if expired).
(03.0)E
W
A
R
N
N I
G
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m
p
t u
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P
C
1
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P
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D
3
8
f
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V
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g i f
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C
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C
. )
W
A
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p
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C
1
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P
R
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D
3
8
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f n i
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C
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C
. )
Section F
p
a l
c
e
, d
e r
m
e
m
b
r e
o t
a
d r
a
d n
m
o
n u
t i t
o
t n
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e
e t
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w
l i
b l
e
o l
: t s
m
A
. )
a
o i t
n
f
o r
m
t
e h
S
s y
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m
p
a l
c
e
, d
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m
e
m
b
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o t
a
d r
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o
n u
t i t
o
t n
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e
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s r
w
l i
b l
e
o l
: t s
m
A
. )
a
o i t
n
f
o r
m
t
e h
S
s y
e t
m
F-9
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