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C-9105R
Conventional Reflective Beam Detector
Installation and Operation Manual The Intelligent Solution
20
and reflector surface reaches a certain level and the light
compensation reaches the limit for the detector to work normally.
2) Self-diagnosis on Optical Signal
The detector has functions of checking emitting, receiving and
amplifying circuit. When there is fault on these three parts of circuit
during operation, the detector will generate fault information.
IX Troubleshooting
Common problems and repair methods are as follows:
Table 1
Problems Reasons Repair Methods
Working indicators
not lit after power
on
a) 24V power off.
b) Working indicators
damaged.
c) Transient suppressor
VD12 damaged.
d) DiodeVD1, VD2, VD10,
VD11 breakdown resulting in
short circuit with ground.
e) N1, N2 damaged.
f) The flexible cable inside
was not connected or not
connected correctly.
If the problems are
mentioned in a) ~ e) ,
replace the component
with problem.
If in f), connect again in
right way.
Fault indicator
constantly
illuminates after
power on
Wrong device type. Set the device type 53 or
54 again according to
Section VIII Operation.
Green LED
constantly flashes
after power on
a) Emitting diode or circuit
damaged.
b) Photodiode or amplifying
circuit damaged.
Replace the component
with problem.
Gives fault signal
after a period of
normal operation
The detector cannot work
normally.
Commission once more.
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