EN
www.uniteck.fr
13/22
ANOMALIES, CAUSES, SOLUTIONS
Anomalies
Causes
Solution
The motion detector switches on
with delay
Detection area not supported
Adjust the detection area
Movement in a straight line
towards the device (movement
less visible for detector)
Maximum range not reached
Detector is mounted too low.
Mount the detector higher.
The difference between the
ambient temperature and the
heat source is too small.
Motion detector switches
permanently on or switches on for
no reason.
Thermal instability in the
detection zone caused by:
- trees, reflections on water
etc...
-
wind, rain or fans.
-
direct or indirect sunshine.
Reorient the motion
detector, if possible avoid
these interference zones.
No reaction to passing vehicle.
The vehicle's engine is not yet
warm enough.
No solution
Well insulated motor.