Abstract:
If luminaires containing D4i Drivers are used in an installation with DALI2 controls, make sure the PSU of the luminaires/D4i drivers are set to OFF. (Default is ON)
Before connecting the DALI-2 system PSU, the DALI line MUST be checked for voltage by the installing electrician. There should be no voltage present! If there is, it is likely the D4i drivers are present, with the PSUs on, and putting power on to the DALI line.
Ensure the issues are FULLY RESOLVED, before the DALI PSU is connected, or the DALI controllers will be DAMAGED BEYOND REPAIR.