Troubleshooting - Theben PresenceLight 180A-KNX series Operating Manual

9. Troubleshooting

Fault
Light does not switch on and/or off
when presence and darkness
Light stays on with presence even
though it is bright enough
Light does not switch off and/or
light switches spontaneously on
when no one is present
Malfunction blinking
(4x per second)
80
Cause
Lux value is set too low; detector set on semi-automatic;
light was switched off manually via push-buttonor or with
SendoClic; person not within detection range; obstruction(s)
interrupting detection; switch-off delay time set too short
Lux value is set too high; light was switched off manually via
push-button or with SendoClic (wait 30 min.); detector is in
testing mode
Wait for the switch-off delay time (self-learning);
thermal interruption source in the detection range: Fan
heater, incandescent lamps / halogen spotlight, moving
objects (e.g. curtains hanging in an open window);
Start up does not run smoothly.
Malfunction during start-up phase or during operation; device
is not fully functional!