General Troubleshooting

Symptom		Possible Cause		Possible Action
Symptom		Possible Cause		Possible Action
	∙	Excessive load on the circuit	∙	Make sure that the total load
Circuit breaker				does not exceed 80% of the
Circuit breaker				breaker or fuse nominal
or fuse keeps				current
blowing
blowing	∙	Short circuit along the	∙	Check the power lines and
	∙	Short circuit along the	∙	Check the power lines and
		power lines		power cords

	∙	No energy on power outlet	∙	Check power outlet
			∙ Change to another outlet

	∙	Loose or damaged power	∙	Check the power cord
Product does		cord
not power up	∙	Blown fuse	∙	Replace blown fuse with a
	∙	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	∙	Set the correct starting
		the product		address on the product
			∙ Use the right fader(s) on the
				controller
	∙	Wrong DMX personality on	∙	Set the correct DMX
Product does		the product		product’s personality
Product does			∙	Assign the faders
not respond to			∙	Assign the faders
not respond to				accordingly
DMX				accordingly
DMX
	∙	Wrong polarity setting on	∙	Change the signal polarity
		the DMX controller		on the controller
	∙	Loose or damaged DMX	∙	Check the DMX cable
		cable		before the faulty unit
	∙	Internal problem	∙	Send product for repair

	∙	Signal cables are not DMX	∙	Replace non DMX cables
		compatible		with true DMX cables
	∙	Interference with AC or	∙	Keep DMX cables away
		radio signals		from AC wires or radio
				equipment
Intermittent DMX	∙	DMX cable too long	∙	Install an optically coupled
Intermittent DMX				DMX amplifier right before
Problems				the product with intermittent
				problems
	∙	Too many products	∙	Install an optically coupled
		connected		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.

LED Followspot 75ST User Manual (Rev. 04)

Page 13 of 17

75ST specifications

The Chauvet 75ST is a remarkable addition to the world of professional stage lighting, renowned for its exceptional performance and versatility. Designed for both indoor and outdoor applications, this powerful fixture is particularly favored by production companies, event coordinators, and touring professionals seeking high-quality lighting solutions.

One of the standout features of the Chauvet 75ST is its impressive brightness. Equipped with advanced LED technology, it delivers an intense output that can easily cover large areas, making it suitable for a variety of events—from concerts to corporate gatherings. Its 75-watt power source ensures that even in well-lit environments, the lighting remains vibrant, allowing it to stand out without competing with ambient light.

The Chauvet 75ST is also designed with versatility in mind. The fixture supports multiple operational modes, including DMX, master/slave, and standalone modes. This flexibility allows users to integrate the 75ST seamlessly into existing lighting setups and coordinate it with other lighting fixtures for breathtaking synchronized displays. Additionally, the fixture’s multiple DMX channels provide users with extensive control over various functions, including pan, tilt, color mixing, and dimming.

Another key characteristic of the Chauvet 75ST is its superior color mixing capabilities. The fixture boasts a full spectrum of colors, ensuring that lighting designers can achieve a wide range of hues and tones to match the mood of any event. Its built-in color macros further simplify the process, enabling users to access pre-set color combinations quickly.

Durability and reliability are also critical aspects of the Chauvet 75ST design. Constructed with robust materials, this fixture can withstand the rigors of touring and live performances. Furthermore, its compact and lightweight design makes it easy to transport and set up, while the quiet operation allows for use in noise-sensitive environments.

The Chauvet 75ST features advanced cooling technology that prevents overheating, ensuring consistent performance throughout extended use. This results in minimized maintenance and increased longevity, making it a sound investment for professionals in the industry.

In summary, the Chauvet 75ST exemplifies innovation in stage lighting, featuring powerful brightness, versatile operational modes, superior color mixing, and rugged durability. Whether used for theatrical productions, concerts, or special events, it stands out as a premier choice for lighting professionals seeking quality, reliability, and creative freedom.