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5. Appendix 9
5. APPENDIX
General Troubleshooting
SYMPTOM
POSSIBLE CAUSE(S)
POSSIBLE ACTION(S)
Breaker/Fuse
keeps blowing
· Excessive circuit load
· Check total load placed on the
electrical circuit.
· Short circuit along the power
wires
· Check for a short in the electrical
wiring (internal and/or external).
Device does not
power up
· No power
· Check for power on Mains.
· Loose power cord · Check power cord
Fixture is not
responding to DMX
· Wrong DMX addressing
· Check Control Panel and unit
addressing
· Damaged DMX cables
· Check DMX cables
· Wrong polarity settings on the
controller
· Check polarity switch settings on
the controller
· Loose DMX cables
· Check cable connections
· Faulty DMX interface
· Replace DMX input
· Faulty Main PCB
· Replace Main PCB
Loss of signal
· Non DMX cables
· Use only DMX compatible cables
· Bouncing signals
· Install terminator as suggested.
· Long cable / Low level signal
· Install amplifier right after fixture
with strong signal.
· Too many fixtures
· Install an optically coupled DMX
splitter after unit #32.
· Interference from AC wires
· Keep DMX cables separated from
power cables or black lights.
If you still have a problem after trying the above solutions, please contact CHAUVET®
Technical Support.