Troubleshooting - STEINEL Professional True Presence Multisensor KNX Manual

13. Troubleshooting

Malfunction
Light does not switch ON ■ No supply voltage
Lights do not switch OFF ■ Switching threshold light
Sensor switches OFF
despite persons being
present
Sensor does not switch
OFF quickly enough
Sensor does not switch
ON when persons are
present despite it being
dark
Sensor switches ON
despite no persons being
present
Wrong temperature
indicated
Cause
■ Switching threshold light
level set too low
■ No movement detection
level too high
■ Wrong scenario selected
■ Reach set too low
■ Switching threshold light
level too low
■ Stay-ON time too long
■ Switching threshold light
level set too low
■ Semi-automatic mode
activated
■ Movement within adjacent
rooms and floor levels
■ Different layers of air
- 18 -
Remedy
■ Check supply voltage
■ Slowly increase switching
threshold light level until
light switches ON
■ Ensure unobstructed
sensor vision
■ Check detection zone
■ Reduce switching
threshold light level
■ Select scenario with
True Presence
■ Change reach
■ Change switching
threshold light level
■ Reduce stay-ON time
■ Increase switching
threshold light level
■ Activate fully automatic
mode or switch light ON
at button
■ Change reach
■ Select scenario with lower
sensitivity
■ Enter correction factor
into the ETS