12. Troubleshooting
Malfunction
LED light does not switch
ON
NightAuto LED light
does not switch ON
NightAuto LED light does not
switch OFF
SC LED light keeps
switching ON/OFF
Cause
■ Fuse has tripped,
not switched ON,
break in wiring
■ Short circuit
■ Lamp faulty
■ Twilight setting in
night-time mode during
daytime operation
■ Mains switch OFF
■ Fuse has tripped
■ Detection zone not
correctly adjusted
■ The twilight setting is
set to permanently ON
during night-time
operation
■ Continued movement
within the
detection zone
■ Light-level sensor is
covered (e.g. by
leaves).
■ Animals moving in
detection zone
– 27 –
Remedy
■ Activate, change fuse,
turn ON mains switch,
check wiring with
voltage tester
■ Check connections
■ Change lamp
■ Reset
■ Switch ON
■ Activate, change fuse,
check connection if
necessary
■ Readjust
■ Reset
■ Check zone and
readjust if necessary or
apply shroud
■ Remove shrouds from
light-level sensor
■ Tilt sensor higher or fit
shrouds to target
sensor;
adjust detection zone
or fit shrouds