Chauvet 648 user manual General Troubleshooting, DMX Primer section, CHAUVET Technical Support

General Troubleshooting

Symptom		Possible Cause		Possible Action
	∙ Excessive load on the circuit		∙ Make sure that the total load does not
Circuit breaker or fuse				exceed 80% of the breaker or fuse
keeps blowing				nominal current
	∙ Short circuit along the power lines		∙ Check the power lines and power cords
	∙ No energy on power outlet		∙	Check power outlet
			∙ Change to another outlet
Product does not power	∙	Loose or damaged power cord	∙	Check the power cord
up	∙	Blown fuse	∙ Replace blown fuse with a good one of
				the same type and rating
	∙	Internal problem	∙ Send product for repair
	∙ Wrong starting address on the		∙ Set the correct starting address on the
		product		product
			∙ Use the right fader(s) on the controller
	∙ Wrong DMX personality on the		∙ Set the correct DMX product’s
Product does not		product		personality
			∙	Assign the faders accordingly
respond to DMX
	∙	Wrong polarity setting on the DMX	∙	Change the signal polarity on the
		controller		controller
	∙ Loose or damaged DMX cable		∙ Check the DMX cable before the faulty
				unit
	∙	Internal problem	∙ Send product for repair
	∙ Signal cables are not DMX		∙ Replace non DMX cables with true
		compatible		DMX cables
	∙ Interference with AC or radio		∙ Keep DMX cables away from AC wires
		signals		or radio equipment
Intermittent DMX	∙	DMX cable too long	∙ Install an optically coupled DMX
				amplifier right before the product with
Problems
				intermittent problems
	∙ Too many products connected		∙ Install an optically coupled DMX
				amplifier after unit #32
	∙	Terminator not connected	∙ Install a terminator, as indicated in the
				DMX Primer section.
	If you still experience problems after trying the above solutions, contact
	CHAUVET® Technical Support.

Impulse™ 648 User Manual Rev. 6 Page 15 of 21