Technical Information
Legend 300E Spot Us er Manual Rev. 01g -27-
Troubleshooting Gui de Symptom Cause(s) Action(s)
Fixture does not power up
· No power on outlet · Repair ou tl et pr obl em or use another outlet
· Blown fuse · Replace bl own fuse with sam e type and rating
fuse
· Bad power cord/plug · Repair or replace power cord/plug
· Bad power switch · R eplace power switch
· Bad power supply · R eplace power supply
· Bad main controller · Replac e main controll er
Fixture powers up but
lamp does not ignite
· State/Power On par ameter set to
NO · Change parameter to YES
· Lamp temperature pr oblems · Check error mess ages and follow instruct i ons
· Lamp problems · Ch eck err or m ess ages and follow instruct i ons
Lamp ignited but h as low
intensity/color
temperature
· Dimmer not at full ou tput · Adjust dimmer value
· Lamp still cold · W ait for lamp to come up with full output
temperature
· CTC or CMY filter int erfering · Set color wheel or filter to h ome position
· Defect i ve or old lamp · Replace lamp
· Misaligned lamp · R ealig n lamp
· Defect i ve lamp w i r es or s oc ket · Repair/c h ange wiring or socket
· Defect i ve ball as t · Replace ballast
Lamp flickers or turns off
by itself
· Defective or old lamp · Replace lamp
· Temperature problems · Check error messages and foll ow instructions
· Defect i ve lamp w i r es or s oc ket · Repair/c h ange wiring or socket
· Defect i ve ball as t · Replace ballast
Circuit breaker/fus e keeps
tripping/blowing
· Excessive circuit l oad · Check total load placed on the electr ical circuit
· Short circuit along t he power wires · Check for a short in the electrical wi ring
Fixture does not res pond
to DMX when nearby
fixtures on the s ame
universe do
· Wrong DMX addressin g · Check DMX mode and starting DMX addr ess
· Damaged DMX cables · Check DMX cables
· Wrong polarity on the contr oll er · Check polarity swit ch settings on th e controller
· Loose DMX cables · Check cable connections
· Faulty D MX int erface · Replace the Main boar d
· Faulty D isplay/Main board · Replace the Main boar d
DMX signal prob lems
(see Appendix > DMX
Primer)
· Non DMX cables · Use only DMX comp atible cables
· Bouncing signals · Ins t all terminator as suggest ed
· Long cable / low l evel signal · Install an optically coupled D MX splitter right after
the fixture with the strong signal
· Too many fixtur es · Install an optic all y c ou pl ed D M X spl it t er aft er uni t
#32 or before
· Interference from AC wires · Keep DMX cab les separated from power cables or
fluores cent/ black lights
If you still experience technical pr oblems after trying the above solutio ns, contact
CHAUVET® Technical Support.