STEINEL PROFESSIONAL HF 180 KNX, Information

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10� Troubleshooting
Malfunction Cause Remedy
Light does not switch ON
n
No supply voltage
n
Lux setting too low
n
No motion being
detected
n
Check supply voltage
n
Slowly increase lux set-
ting until light switches
ON
n
Ensure unobstructed
sensor vision
n
Check detection zone
Light does not switch OFF
n
Lux setting too high
n
Stay-ON time still
effective
n
Interfering heat sources:
e.g. fan heater, open
doors and windows,
pets, light bulb / halo-
gen floodlight, moving
objects
n
Reduce lux setting
n
Wait until stay-ON time
elapses; reduce stay-
ON time if necessary
n
Use stickers to mask
out stationary sources
of interference
Sensor switches OFF
despite persons being
present
n
Stay-ON time too short
n
Light-level threshold too
low
n
Increase stay-ON time
n
Change twilight setting
Sensor does not switch
OFF quickly enough
n
Stay-ON time too long
n
Reduce stay-ON time
IR sensor does not switch
ON quickly enough when
approached from the front
n
Reach for radial walking
direction less than
for tangential walking
direction
n
Install additional sensors
n
Reduce distance
between two sensors
Sensor does not switch
ON when persons are
present despite it being
dark
n
Lux setting too low
n
Sensor deactivated by
switch/button?
n
Semi-automatic mode?
n
Increase light-level
threshold
Button not working
n
Button deactivated?
n
Check setting in ETS