The checklist below may help you troubleshoot in the unlikely event that a problem occurs while using the product:No response from unit. No power to unit. Check that power is turned on.Check cables and connections.Fuse blown or internal fault. Replace mean fuse or contact Beamz supportor Beamz authorized service partner. Do notremove base or yoke covers. Do not attempt toreplace a fuse or carry out any repairs or servicethat are not described in this User Manualunless you have both authorization from Beamzsupport or Beamz authorized service partner.Unit resets correctly but does not respond (ordoes not respond correctly) to the controller.The controller is not connected. Connect controller.Bad DMX-line. Inspect connections and cables. Correct poorconnections. Repair or replace damaged cables.DMX-line has no end resistance. Insert DMX terminator plug in DMX outputsocket of last unit on DMX-line.Incorrect unit addressing. Check unit address and DMX mode settings.A unit is defective and is disturbing datatransmission on the DMX-line.Unplug DMX IN and OUT connectors andconnect them directly together to bypass oneunit at a time until normal operation is regained.Have defective unit serviced by an authorizedtechnician.Pin 2 and 3 are reversed in XLR connection. Inspect connections and cables. Install a phase-reversing cable between the units or swap pin 2and 3 in the unit, that behaves erratically.Error after unit reset. Effect requires mechanical adjustment. Check unit’s software version and errormessages for more information. Contact Beamzsupport or Beamz authorized service partner.Light output cuts out intermittently. Unit too hot. Allow unit to cool. Reduce ambienttemperature. Ensure free airflow around unit.Clean unit if necessary.LEDs damaged. Disconnect unit and contact Beamz support orBeamz authorized service partner.The power supply settings do notmatch local AC voltage andfrequency.Disconnect unit. Check settings andcorrect if necessary.