Troubleshooting - STEINEL Professional IR Quattro HD-2 COM1 Manual

12. Troubleshooting

Malfunction
Light does not switch ON
Light does not switch OFF
Sensor switches OFF despite
persons being present
Sensor does not switch OFF
quickly enough
Sensor does not switch ON
quickly enough when
approached from the front
Sensor does not switch ON
when persons are present
despite it being dark
Sensor not connecting with
the app
Cause
■ No supply voltage
■ Lux setting too low
■ No movement detection
■ Lux setting too high
■ Stay-ON time running out
■ Interfering heat sources:
e.g. fan heater, open
doors and windows,
pets, light bulb/halogen
floodlight, moving objects
■ Stay-ON time too short
■ Light-level threshold
too low
■ Stay-ON time too long
■ Reach is reduced when
approached from the
front
■ Lux setting too low
■ Semi-automatic mode
activated
■ 4 hours OFF activated
■ App or smartphone
system crash
- 23 -
Remedy
■ Check supply voltage
■ Slowly increase lux
setting until light
switches ON
■ Ensure unobstructed
sensor vision
■ Check detection zone
■ Reduce lux setting
■ Wait until stay-ON time
elapses; reduce stay-ON
time if necessary
■ Check detection zone
■ Increase stay-ON time
■ Change twilight setting
■ Reduce stay-ON time
■ Install additional sensors
■ Reduce distance
between two sensors
■ Increase light-level
threshold
■ Activate fully automatic
mode or switch light ON
at button
■ Deactivate 4 hours OFF
■ Restart mobile end
device
GB