Hi all I have an issue with a cbus installation that is approx 10 years old. The light switches are flashing and will not operate intermediately which when I remove the switching supply cable the modules come back to life and can be operated manually! I have done some investigation and it seems that there is not enough power to operate the switching ( at times) and one of the 8 channel dimmers which incorporates a power supply is not operating sporadically. Is there a way of knowing if the dimmers/relays which incorporate a power supply are faulty ,I did a diagnostic check and nothing came up. I have checked the wiring to most of the switches and split the circuit in places which seems to get it going then after a time it goes back into fault mode again. Any advice would be much appreciated Thanks