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F-Guard IR3 H2 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 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
current output is at 20mA
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
current output is at 20mA
Detector is exposed
to a flame
•
Check cause of alarm.
•
If caused by “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.
