
Impulse™ 648 User Manual Rev. 6 Page 15 of 21
Symptom Possible Cause Possible Action
Circuit breaker or fuse
keeps blowing
• Excessive load on the circuit
• Make sure that the total load does not
exceed 80% of the breaker or fuse
• Short circuit along the power lines
• Check the power lines and power cords
Product does not power
up
• No energy on power outlet
• Change to another outlet
•
Loose or damaged power cord
•
• Replace blown fuse with a good one of
the same type and rating
•
•
Product does not
respond to DMX
• Wrong starting address on the
product
• Set the correct starting address on the
product
•
Use the right fader(s) on the controller
• Wrong DMX personality on the
product
• Set the correct DMX product’s
personality
• Assign the faders accordingly
• Wrong polarity setting on the DMX
controller
• Change the signal polarity on the
controller
• Loose or damaged DMX cable
• Check the DMX cable before the faulty
unit
•
•
Intermittent DMX
Problems
• Signal cables are not DMX
compatible
• Replace non DMX cables with true
DMX cables
• Interference with AC or radio
signals
• Keep DMX cables away from AC wires
or radio equipment
• DMX cable too long • Install an optically coupled DMX
amplifier right before the product with
• 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.
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