STEINEL PROFESSIONAL DualTech COM1, Operating Instructions Manual

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Troubleshooting
Malfunction Cause Remedy
Light does not switch ON L
No supply voltage
L
Lux setting too low
L
No motion being detected
L
Check supply voltage
L
Slowly increase lux setting
until light switches ON
L
Ensure unobstructed sensor
vision
L
Check detection zone
Light does not switch OFF
L
Lux setting too high
L
Stay-ON time running out
L
Interference from unintended
sources of motion, e.g.: ceiling
fan, heater, HVAC, open doors
and windows
L
Reduce lux setting
L
Wait until stay-ON time
elapses; reduce stay-ON time
if necessary
L
Readjust coverage zone or
apply masking material
Sensor switches OFF in spite of
persons being present
L
Stay-ON time too short
L
Light-level threshold too low
L
Increase stay-ON time
L
Change light threshold
Sensor does not switch OFF
quickly enough
L
Stay-ON time too long
L
Reduce stay-ON time
Sensor does not switch ON
quickly enough when ap-
proached from the front
L
Reach is reduced when
approached from the front
L
Install additional sensors
L
Reduce distance between
two sensors
Sensor does not switch ON when
persons are present in spite of it
being dark L
Lux setting too low
L
Sensor deactivated by
switch/button?
L
Semi-automatic mode?
L
Increase light-level threshold