24 Annex
388
All sensors connected to the
bus simultaneously mal-
function continuously.
("Bus fault" is signaled in the
title bar of the user interface
and in the "Alarm list")
The bus voltage supply has failed. Diagnose the failure of the voltage
supply with a multimeter and re-
place the faulty voltage source or
correct the short-circuit in the volt-
age supply.
Fault symptom Possible cause Remedy
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