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FlameSpec UV-IR User Manual
5.1
Cleaning Procedure
To clean the detector:
a)
Disconnect the power to the unit and disable/inhibit any extinguishing equipment that is connected
to the unit.
b)
Use water and detergent to clean the detector windows and underside of the reflector. Rinse with a
soft cloth, cotton swab, or tissue.
c)
Where dust, dirt or moisture accumulates on the window, first clean the window with a soft optical
cloth and detergent, and then rinse with a clean soft cloth, cotton swab, or tissue. If contamination
continues to be an issue consider using the air shield.
6
Troubleshooting
Use the table below to help troubleshoot any detector operational issues.
Detector Status
LEDs Off
Fault Relay is open
Current output at 0mA
Yellow LED constantly on
Fault Relay is open
Current output at 0mA – 1mA
Yellow LED constantly on
Fault Relay is open
0–20mA at 2mA
Green LED constantly on
Fault Relay is closed
0–20mA at 3mA
Red LED constantly on
Alarm Relay closed and
current output is at 20mA
Alarm Relay closed and
current output is at 20mA
For more information & Technical support: (+1) 714-671-8500 · support@fg-detection.com
Possible Cause
No power to the unit
Power problems
BIT Fault
Dirty Window Warning
Detector is in alarm latch
mode
Detector is exposed to a
flame
F110V0020.08
Corrective Action
Check that the power is connected to the
detector.
Check power polarity.
Check wiring in the detector.
Check the voltage between the "24VDC
(+)" and "24VDC (-)" terminals to verify
that it is in the allowed range (see section
9.2)
Clean detector window.
Restart the detector (by turning the power
off and then back on).
Clean detector window.
Restart the detector (by turning the power
off and then back on).
Restart the detector (by turning the power
off and then back on) or perform a manual
BIT.
Check cause of alarm.
If caused by "friendly fire", re-position the
detector so that it is not affected by it.
28
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