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C-9105R
Conventional Reflective Beam Detector
Installation and Operation Manual The Intelligent Solution
21
Reports fire alarm
after a period of
operation, alarms
detector fault after
restart
The detector has deviated
due to external vibration.
Commission once more.
Fire signal cannot
be cleared
a) There are obstruction on
the optical pathway between
the detector and the reflector.
b) The angle of optical
pathway has changed and
need to be aligned again.
c) The emitting diode or
circuit damaged.
d) The photodiode or
amplifying circuit damaged.
e) Relay or control circuit
damaged.
If the problems are
mentioned in a), b),
commission once again.
If in c), d), e) replace the
component with problem.
X Maintenance
(1) If the detector gives fault signal after working for a long time, first
check whether the detector is damaged or not, and make sure
that it is fixed to the wall or other fixity. Then check whether it is
the accumulating dust and positional excursion, causing
compensation fault, then consider other types of fault.
(2) If emitting window, receiving window and reflector surface are
found contaminated, clean them with soft cloth and alcohol
(avoid scraping). Never use water or other chemicals.
Commission the detector again after cleaning.
(3) The detector is fire protection product, whose operation must be
well recorded by the personnel on duty and shift.
(4) Personnel on duty should be familiar with the functions and
operation process of the device in order to avoid mis-operation.
(5) Test alarm function once half a year.
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