Beamz PANTHER 15 Manuel De L'utilisateur page 7

If the fuse is defective, replace the fuse with a fuse of the same type and value. Before replacing the fuse, unplug mains lead.
Procedure:
Step 1: Open the fuse holder on the rear panel with a fitting screwdriver.
Step 2: Remove the old fuse from the fuse holder.
Step 3: Install the new fuse in the fuse holder.
Step 4: Replace the fuse holder in the housing.
The checklist below may help you troubleshoot in the unlikely event that a problem occurs while using the product:
No response from unit.
Unit resets correctly but does not respond (or
does not respond correctly) to the controller.
Error after unit reset.
Light output cuts out intermittently.
No power to unit.
Fuse blown or internal fault.
The controller is not connected.
Bad DMX-line.
DMX-line has no end resistance.
Incorrect unit addressing.
A unit is defective and is disturbing data
transmission on the DMX-line.
Pin 2 and 3 are reversed in XLR connection.
Effect requires mechanical adjustment.
Unit too hot.
LEDs damaged
The power supply settings do not
match local AC voltage and
frequency.
Check that power is turned on.
Check cables and connections.
Replace mean fuse or contact Beamz support
or Beamz authorized service partner. Do not
remove base or yoke covers. Do not attempt to
replace a fuse or carry out any repairs or
service that are not described in this User
Manual unless you have both authorization
from Beamz support or Beamz authorized
service partner.
Connect controller.
Inspect connections and cables. Correct poor
connections. Repair or replace damaged
cables.
Insert DMX terminator plug in DMX output
socket of last unit on DMX-line.
Check unit address and DMX mode settings.
Unplug DMX IN and OUT connectors and
connect them directly together to bypass one
unit at a time until normal operation is
regained. Have defective unit serviced by an
authorized technician.
Inspect connections and cables. Install a
phase-reversing cable between the units or
swap pin 2 and 3 in the unit, that behaves
erratically.
Check unit's software version and error
messages for more information. Contact
Beamz support or Beamz authorized service
partner.
Allow unit to cool. Reduce ambient
temperature. Ensure free airflow around unit.
Clean unit if necessary.
Disconnect unit and contact Beamz support or
Beamz authorized service partner.
Disconnect unit. Check settings and
correct if necessary.