Troubleshooting - STEINEL DL Vario Quattro PRO S Manual Del Usuario

11. Troubleshooting

Malfunction
Sensor-switched light without
power
Sensor-switched light will
not switch ON
Sensor-switched light will
not switch OFF
Sensor-switched light
switches ON without any
identifiable movement
Sensor-switched light
does not switch ON despite
movement
External loads not switching
ON
Cause
■ Fuse has tripped, not switched ON,
break in wiring
■ Short circuit in mains power
supply lead
■ Any mains switch OFF
■ Incorrect twilight setting selected
■ Mains switch OFF
■ Fuse has tripped
■ Continued movement within the
detection zone
■ Light not mounted for detecting
movement reliably
■ Movement occurred, but not
identified by the observer
(movement behind wall,
movement of a small object
in immediate lamp vicinity etc.)
■ Rapid movements are suppressed
to minimise malfunctioning or
detection zone set too small
■ Incorrect twilight setting selected
■ Relay OFF
- 16 -
Remedy
■ Activate, change fuse, turn ON
power switch, check wiring with
voltage tester
■ Check connections
■ Switch on mains switch
■ Readjust
■ Switch ON
■ Activate, change fuse, check
connection if necessary
■ Check detection zone
■ Securely mount enclosure
■ Check detection zone
■ Check detection zone
■ Readjust
■ Switch relay ON