General Troubleshooting

Symptom		Possible Cause		Possible Action
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
	∙	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
Product does not			∙	Assign the faders accordingly
respond to DMX
respond to DMX	∙	Wrong polarity setting on the DMX	∙	Change the signal polarity on the
	∙	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
Intermittent DMX				amplifier right before the product with
Problems				amplifier right before the product with
Problems				intermittent 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

648 specifications

The Chauvet 648 is an advanced LED wash light designed for a variety of performance environments, including concerts, theaters, and corporate events. With its powerful output and versatile features, the Chauvet 648 stands out as an essential tool for lighting professionals.

One of the key features of the Chauvet 648 is its high-output RGBW LEDs, which allow for an extensive range of color mixing. The unit is equipped with a 25-degree beam angle, providing smooth and even wash coverage that can fill stage spaces without leaving dark spots. This makes it ideal for both wide and narrow stage setups, giving lighting designers the freedom to create dynamic and captivating visual experiences.

In terms of technology, the Chauvet 648 boasts a robust control system that supports DMX protocol for seamless integration with other lighting devices. Additionally, it features built-in automated programs, giving users the ability to run light shows without a dedicated controller. This is particularly beneficial for smaller venues or events where quick setup and operation are essential. The fixture also includes a master/slave mode, allowing multiple units to synchronize and operate together effortlessly.

Portability is a significant characteristic of the Chauvet 648. Lightweight and compact, it is designed for easy transportation and installation, making it a favorite among touring professionals. Its robust housing ensures durability, so it can withstand the rigors of frequent handling and setup in various environments.

Another noteworthy aspect is its energy efficiency. The LED technology not only reduces power consumption compared to traditional lighting fixtures but also extends the lifespan of the unit. This means less frequent replacements and lower operating costs, which is a critical consideration for many production budgets.

In conclusion, the Chauvet 648 combines high output, extensive color mixing capabilities, advanced control options, and portability, making it a powerful choice for any lighting application. Whether you're lighting up a concert, theater production, or corporate event, the Chauvet 648 is designed to meet the demands of professional lighting with ease and reliability. With its innovative features and robust performance, it's a valuable addition to any lighting designer’s toolkit.