User manual
Table Of Contents
Symptom Remedy
The unit does not work, no light 1. Check the mains connection and the main fuse.
2. Check the safety key switch.
3. Check the external safety switch (e.g., emergency stop button).
No response to the DMX controller 1. If the display shows a ashing number, for example ‘001’, no DMX signal is
being received. Check the DMX connectors and cables for proper connection.
2. Check whether the DMX cables run near or parallel to high-voltage cables
that may cause damage or interference to a DMX interface circuit.
3. Try using another DMX controller.
No response to the remote control 1. Try using the remote control at a dierent angle to the IR sensor on the front
panel of the device.
2. Check the remote control battery.
If the procedures recommended above do not succeed, please contact our Service Center. You
can nd the contact information at www.thomann.de.
Troubleshooting
LaserDerby
49