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Technical Information
Legend™ 1200E Wash User Manual Rev. 02e -23-
Troubleshooting Guide
Symptom
Cause(s)
Action(s)
Fixture does not power up
• No power on outlet • Repair outlet problem or use another outlet
• Blown fuse • Replace blown fuse with same type and rating
fuse
• Bad power cord/plug • Repair or replace power cord/plug
• Bad power switch • Replace power switch
• Bad power supply • Replace power supply
• Bad main controller • Replace main controller
Fixture powers up but
lamp does not ignite
• State/Power On parameter set to NO • Change parameter to YES
• Lamp temperature problems • Check error messages and follow instructions
• Lamp problems • Check error messages and follow instructions
Lamp ignited but has low
intensity/color
temperature
• Dimmer not at full output • Adjust dimmer value
• Lamp still cold • Wait for lamp to come up with full output
temperature
• CTC or CMY filter interfering • Set color wheel or filter to home position
• Defective or old lamp • Replace lamp
• Misaligned lamp • Realign lamp
• Defective lamp wires or socket • Repair/change wiring or socket
• Defective ballast • Replace ballast
Lamp flickers or turns off
by itself
• Defective or old lamp • Replace lamp
• Temperature problems • Check error messages and follow instructions
• Defective lamp wires or socket • Repair/change wiring or socket
• Defective ballast • Replace ballast
Circuit breaker/fuse keeps
tripping/blowing
• Excessive circuit load • Check total load placed on the electrical circuit
• Short circuit along the power wires • Check for a short in the electrical wiring
Fixture does not respond
to DMX when nearby
fixtures on the same
universe do
• Wrong DMX addressing • Check DMX mode and starting DMX address
• Damaged DMX cables • Check DMX cables
• Wrong polarity on the controller • Check polarity switch settings on the controller
• Loose DMX cables • Check cable connections
• Faulty DMX interface • Replace the Main board
• Faulty Display/Main board • Replace the Main board
DMX signal problems
• Non DMX cables • Use only DMX compatible cables
• Bouncing signals • Install terminator as suggested
• Long cable / low level signal • Install an optically coupled DMX splitter right
after the fixture with the strong signal
• Too many fixtures • Install an optically coupled DMX splitter after
unit #32 or before
• Interference from AC wires • Keep DMX cables separated from power
cables or fluorescent/black lights
If you still experience technical problems after trying the above solutions, contact
CHAUVET® Technical Support.