STEINEL True Presence Multisensor KNX Information Seite 10

13� Troubleshooting
Malfunction Cause
Light does not switch ON ■ No supply voltage
■ Lux setting too low
■ No movement detection
Lights do not switch OFF ■ Lux setting too high
Sensor switches OFF ■ Reach set too low
despite persons being ■ Light-level threshold
present too low
Sensor does not switch ■ Stay-ON time too long
OFF quickly enough
Sensor does not switch ■ Lux setting too low
ON when persons are
present despite it being ■ Semi-automatic mode
dark activated
Sensor switches ON ■ Movement within adja-
despite no persons being cent rooms and
present floor levels
Wrong temperature ■ Different layers of air
indicated
Remedy
■ Check supply voltage
■ Slowly increase lux
setting until light
switches ON
■ Ensure unobstructed
sensor vision
■ Check detection zone
■ Reduce lux setting
■ Change reach
■ Change twilight setting
■ Reduce stay-ON time
■ Increase light-level
threshold
■ Activate fully automatic
mode or switch light ON
at button
■ Change reach
■ Reduce sensitivity
■ Enter correction factor
into the ETS
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