Troubleshooting; False Alarms; False Alarms Under 4 Seconds Concerning The Whole Detection Area; False Alarms At Small Constant Areas - Bosch AVIOTEC 8000i IR User Manual

52 en | Troubleshooting
9

Troubleshooting

The following issues can be solved in the detection settings in the Configuration Manager or
in the web browser menu (Configuration > Alarm > Fire detection).
9.1

False Alarms

9.1.1

False alarms under 4 seconds concerning the whole detection area

In this case the general settings of the fire detection have to be adjusted.
Problem
Short false alarms for smoke detection.
Short false alarms for flame detection.
9.1.2

False alarms at small constant areas

Individual image areas are affected and have to be adjusted.
Problem
Objects cause flickering motion, e.g. shadow
of a flag in the wind.
Continuous motion in the picture causes
false alarms, e.g. escalators.
Temporary motion causes false alarms, e.g.
roller shutter.
9.1.3

Vibrations at the camera site

Problem
Vibrations are transferred to the camera.
Camera picture is trembling.
The camera position changed because of
vibrations.
9.2

No alarm transmission

Problem: Alarms are visible in the web browser but there is no alarm transmission to the
video client.
Solution:
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2023.10 | 02 | F.01U.414.168
Check network connection and settings (Configuration > Network)
Check relay connection and settings (Alarm > Alarm Outputs)
Check fire detection settings (Configuration > Alarm > Fire detection)
Solution
Increase the duration of smoke detection.
(Smoke> Verification time [s])
Increase the duration of flame detection.
(Flames > Verification time [s])
Solution
Mask out the disturbing image area (for
flame).
Flame detection will be deactivated in this
mask.
Mask out the disturbing image area (for
smoke).
Smoke detection will be deactivated in this
mask.
Mask out the disturbing image area (smoke
time mask).
Smoke detection will be delayed in this mask.
Solution
Avoid vibrations at the camera site.
Make sure the camera is firmly mounted.
Move the camera to its initial position and
check the field of view. Make sure the
camera is firmly mounted.
User manual
AVIOTEC 8000i IR
Bosch Sicherheitssysteme GmbH