Cbus Module lights flickering

I have a place that is three storys hight and has 3 switch board one for each level
each level has 1 8 way dimmer and 2 16 relay module units oh and the ground floor has 1 4 way unit with 200ma power supply built in.
For some reason the cbus lights on the modules flicker. Also every say 2 or 3 weeks it goes silly and when turn light on ground floor on the light on 2 floor goes on etc or the lights just stop working
Any Ideas????

 

Hi mr security

How old is the installation?

Flashing CBus indicator means insufficient power on CBus network.

Could be insufficient CBus power supplies, failing CBus power supply or CBus wiring problem.

Since the units are distributed on 3 floors it would also be worth checking all the circuit breakers are on.

Especially the ones supplying power to the CBus power supply units.