Troubleshooting - STEINEL HF 3360 PF Manual De Instrucciones

13� Troubleshooting
Malfunction
No power at the sensor
Sensor will not switch ON
Sensor will not switch OFF
Sensor keeps switching
ON/OFF
Sensor responds when it
should not
LED flashes once every 15 s
Cause
n Fuse faulty, not
switched ON
n Short circuit
n Additional two-way
switch OFF
n Fuse faulty
n Bulb faulty
n Twilight setting set to
night-time mode during
daytime operation
n Additional two-way
switch OFF
n Fuse faulty
n Continuous movement
in the detection zone
n Manual override activat-
ed (red LED lights up)
n Another sensor is par-
allel-connected and still
active
n Curtains, plants etc.
moving in the sensor's
detection zone causing
the sensor to respond
n Sensor near Wi-Fi or
other wireless commu-
nication sources
n Load connected
is too high
29
Remedy
n Replace fuse, turn ON
power switch, check
lead with voltage tester
n Check connections
n Switch ON
n Fit new fuse, check
connections if neces-
sary
n Change bulb
n Adjust setting
n Switch ON
n Fit new fuse, check
connection if necessary
n Check zone
n Deactivate manual
override
n Wait for time setting
of the other sensor to
elapse
n Check zone
n install at least 2 m away
from the wireless com-
munication source
n Reduce load or use
contactor