Troubleshooting - STEINEL L 690 S Manual

11. Troubleshooting

Malfunction
Sensor-switched light without
power
Sensor-switched light will not
switch ON
Sensor-switched light will not
switch OFF
LEDs do not go out at about
midnight as desired
LEDs do not switch OFF
completely
Sensor-switched light switching
ON when it should not
Sensor-switched light's reach has
changed
Cause
Fuse has tripped,
not switched ON,
break in wiring
Short circuit
Twilight setting in night-time mode
during daytime operation
Mains switch OFF
Fuse has tripped
detection zone not correctly
adjusted
Continued movement within the
detection zone
Sensor unit is not properly engaged
Sensor light is in the calibration
phase (user-friendly economy
programme)
External light source (e.g. other
motion detector or light) is
deactivating the sensor-switched
light
User-friendly programme selected
Wind is moving trees and bushes in
the detection zone
Cars in the street are detected
Sudden temperature changes due
to weather (wind, rain, snow) or air
expelled from fans, open windows.
Differing ambient temperatures
– 18 –
Remedy
Activate, change fuse, turn ON
mains switch, check wiring with
voltage tester
Check connections
Reset
Switch ON
Activate, change fuse, check
connection if necessary
Readjust
Check detection zone and
readjust if necessary
Lightly press sensor unit to clip it
into place
See note on user-friendly
economy programme
Shade the sensor-switched
light from extraneous light, then
monitor the sensor-switched light
for several days. It takes some
time to return to the correct value
Turn programme selector dial to 4
Use shrouds to define detection
zone precisely
Use shrouds to define detection
zone precisely
Adjust detection zone or install in
a different place
Use shrouds to define detection
zone precisely