thomann Stairville Quad TR1, User Manual

Page: 64 / 72

Symptom Remedy
The unit does not work, no
light.
Check the mains connection and the fuse.
No response to the DMX con‐
troller.
1. Check the DMX ports and cables for proper connection.
2. Check the address settings and the DMX polarity.
3. Try using another DMX controller.
4. Check to see if the DMX cables run near or alongside to
high voltage cables that may cause damage or interfer‐
ence to DMX interface circuits.
If the procedures recommended above do not succeed, please contact our Service Center. You
can find the contact information at www.thomann.de .
Troubleshooting
LED PAR
64