ABB Busch Watchdog Prasenz EIB 6131-102-500 Series Manual page 71

Fault Elimination
Diagnosis
Presence Detector
switches off although
someone is moving in
the detection zone:
Change on all three
potentiometers is not
accepted:
The Presence Detector as Constant Light Controller
Diagnosis
Presence Detector
does not switch on:
Presence Detector
does not control to the
desired brightness value: - No current reference value stored; set reference value
Cause/Remedy
- The movements of the person are too slight
- Increase switch-off delay on the "Time" potentiometer
- The values have been set via the ETS; via the Registration
Card "Settings" in each case, instead of "ETS", activate
the setting option "Poti"
Cause/Remedy
- Percentage of daylight too high; adjust switching threshold
GB
71