Bus arrangement and method for operating a bus arrangement

A bus arrangement, comprising:

• a coordinator,
• a first subscriber having a first optical display,
• a second subscriber having a second optical display,
• a third subscriber having a third optical display, and
• a bus that couples the coordinator to the first, second, and third subscribers,
• wherein in a standard operating phase, the first subscriber is configured to display first local information of the first subscriber on the first optical display, the second subscriber is configured to display second local information of the second subscriber on the second optical display, and the third subscriber is configured to display third local information of the third subscriber on the third optical display,
• wherein the coordinator is configured to:
• switch from the standard operating phase to a display operating phase based on detecting a fault in the first subscriber;
• and
• transmit second and third information to the second and third subscribers in such a way that the second optical display and the third optical display form a running light in the direction of the first subscriber.