Impulse™ 648 User Manual Rev. 6
Page 15 of 21
General Troubleshooting
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
nominal current
•
Short circuit along the power lines
•
Check the power lines and power cords
Product does not power
up
•
No energy on power outlet
•
Check power outlet
•
Change to another outlet
•
Loose or damaged power cord
•
Check the power cord
•
Blown fuse
•
Replace blown fuse with a good one of
the same type and rating
•
Internal problem
•
Send product for repair
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
•
Internal problem
•
Send product for repair
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
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.
