STEINEL DALI 2 Serie Mode D'emploi page 14

10. Troubleshooting
Malfunction
No power at the sensor ■ Fuse has tripped, not switched
Light level not being
communicated
Sensor sending motion
detection signal when it
should not
Cause
ON, break in DALI wiring
■ Short circuit
■ Break in wiring
■ DALI power supply faulty
■ There is interference,
e.g. fan, air-conditioning system
or other source of heat,
in the detection zone
■ Animals moving in detection zone
■ Wind is moving paper or plants in
the detection zone
■ Sunlight is shining on the lens
■ Sudden temperature change
due to air expelled from fans,
open windows, air-conditioning
systems or other sources of heat
■ Sensor near Wi-Fi or other wire-
less communication source
Remedy
■ Activate, change fuse, turn ON
mains switch, check DALI wiring
with voltage tester
■ Check connections
■ Check cable
■ Adjust detection zone or fit
shrouds, increase distance
■ Adjust zone or fit shrouds
■ Change detection zone
■ Mount sensor in a protected
place or change zone
■ Adjust detection zone or install
in a different place
■ Install at least 2 m away from the
wireless communication source
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