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F-Guard IR3 HD User Manual
6 Troubleshooting
Use the table below to help troubleshoot any detector operational issues.
Detector Status
Possible Cause
Corrective Action
LEDs Off
Fault Relay is open
Current output at 0mA
No power to the unit
•
Check that the power is connected
to the detector.
•
Check power polarity.
•
Check the wiring in the detector.
Yellow LED constantly on
Fault Relay is open
Current output at 0mA –
1mA
Power problems
Check the voltage between the “24VDC
(+)” and “24VDC (-)” terminals to verify
that it is in the allowed range (see
section 9.3)
Yellow LED constantly on
Fault Relay is open
0
–
20mA at 2mA
BIT Fault
•
Clean detector window.
•
Restart the detector (by turning the
power off and then back on).
Red LED constantly on
Alarm Relay closed and
the current output is at
20mA
The detector is in
alarm latch mode
Restart the detector (by turning the
power off and then back on) or perform
a manual BIT.
Alarm Relay closed and
the current output is at
20mA
The detector is
exposed to a flame
•
Check the cause of the alarm.
•
If caused by a “friendly fire”, re-
position the detector so that it is not
affected by it.
Green LED constantly on
Fault Relay closed.
No analog Video.
•
Analog Video is
not configured
properly
•
Wiring problem
•
Make sure the “Video Analog
Output” setting is configured to
NTSC or PAL (according to the
CCTV system used).
•
Check video wiring and polarity.
Green LED constantly on
Fault Relay closed.
No digital Video (through
ethernet)
Wiring or software
problem
•
Check wiring and polarity.
•
Check ONVIF Client software.
