DALI Knowledge Base
Real, anonymized DALI field problems and the answers from our engineers. Searchable, categorized, growing.
Commissioning & Scanning
- Commissioning & Scanning
Why does my DALI tester show a 'bus traffic' error and refuse to scan, and can I test the line without disconnecting the gateway?
A "bus traffic" message during a scan is usually normal, not a fault.
Read answer - Commissioning & Scanning
How do I make individual DALI luminaires blink to identify them?
After a successful scan, ProbitSite can make luminaires blink so you can match each DALI address to the physical fitting.
Read answer - Commissioning & Scanning
I installed all my DALI devices but nothing happens, how do I get control of my lights?
Start at the basics.
Read answer - Commissioning & Scanning
Not all my DALI devices are found during commissioning, but broadcast commands work, why?
If broadcast commands work but not every device is found, the controller often isn't recognising certain device classes, typically input devices such as sensors (Part 303) or pu...
Read answer
Signal & Communication
- Signal & Communication
I measure a DALI voltage but communication is unreliable, how do I fix it?
A correct voltage doesn't guarantee reliable communication.
Read answer - Signal & Communication
My DALI signal quality is poor (yellow or red), what are the causes and how do I fix it?
Yellow means communication is still possible but outside the preferred limits, investigate before it fails.
Read answer