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LED Followspot 75ST User Manual (Rev. 04) Page 13 of 17
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.