General Troubleshooting
S
YMPTOM
Breaker/Fuse
keeps blowing
Device does not
power up
Fixture is not
responding to
DMX
Loss of signal
P
OSSIBLE
C
AUSE
(
S
)
Excessive circuit load
Short circuit along the power
wires
No power
Loose power cord
Wrong DMX addressing
Damaged DMX cables
Wrong polarity settings on the
controller
Loose DMX cables
Faulty DMX interface
Faulty Main PCB
Non DMX cables
Bouncing signals
Long cable / Low level signal
Too many fixtures
Interference from AC wires
P
OSSIBLE
A
CTION
(
S
)
Check total load placed on the electrical circuit.
Check for a short in the electrical wiring (internal and/or
external)
Check for power on power outlet
Check power cord
Check Control Panel and unit addressing
Check DMX cables
Check polarity switch settings on the controller
Check cable connections
Replace DMX input
Replace Main PCB
Use only DMX compatible cables
Install terminator as suggested
Install amplifier right after fixture with strong signal
Install an optically coupled DMX splitter after unit #32
Keep DMX cables separated from power cables or
black lights
5. Appendix
20
