Revision: 3.0 Page 10 of 71
Figure 5: Control unit overview
5.2.4. Control unit
There are up to eight control units in the bus that can be controlled via one user interface. As a general rule:
all settings made are only active for the selected control unit.
Control unit identifier
Selected control unit
Control units in the bus
[greyed out = not assigned]
At least one error message in the control unit
5.2.5. Error screen
An illuminated red LED lamp on the outside of the housing signals an error message in at least one control unit.
Faulty control units are marked with an orange exclamation mark in the overview [see Figure 5]. The individual
error messages are displayed within the respective control unit.
!! At least one error
!++ Short-circuit
!-- Cable break
Ok No error
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