10.0 Troubleshooting
Inconvenience
Possibile Cause
Action
The fixture will not turn
on.
Unit not powered up.
Check that the power supply cable is connected and the
unit is powered.
Out of order PCB
Check the PCB functions.
The unit does not
respond properly
to the DMX control.
Incorrect DMX cable
connection.
Check connections and wires. Rectify inefficient connec-
tions. Repair or replace damaged wires.
Unfinished data connec-
tion.
Insert a 120Ω resistor connected to pins Data+ and Data-
of the last unit of the connection.
Incorrect address
assignment to the units.
Check the addresses of the units and the protocol set-
tings.
One of the unit is faulty and
it is affecting the data
transmission along the
connection.
Short-circuit units singularly, one by one,
since regular working is restored.
The unit is set to Master
or Automatic, but is not
running any programs.
In addition to setting the
Master dip-switch to ON, it is
necessary to also select a
program number.
Select a program number.
There more than a unit is set
to Master.
Check that amongst the interconnected fixtures, only one
has been set to Master.
Conflict in signals.
Ensure that there is no incoming DMX signal.
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