Troubleshooting guide, Technical information – Chauvet 160-LED User Manual
Page 21

Technical Information
Q-Spot™ 160-LED User Manual Rev. 01b
-17-
Troubleshooting Guide
Symptom
Cause(s)
Action(s)
Low LED output
• Dirty optics
• Clean optic path
• Dimmer active
• Check dimmer setting from control panel
• Faulty LED
• Replace LED board
• Faulty LED driver board
• Replace LED driver board
• Faulty main board
• Replace main board
No LED output
• Dimmer set to 0%
• Check dimmer setting from control panel
• Faulty LED
• Replace LED board
• Faulty LED driver board
• Replace LED driver board
• Faulty main board
• Replace main board
Jumpy or no head
movement
• Faulty sensor
• Replace sensor
• Faulty wiring
• Check and repair wiring
• Faulty synch belt
• Replace synch belt
• Faulty X/Y control board
• Replace X/Y control board
• Faulty main board
• Replace main board
• Faulty stepper motor
• Replace stepper motor
Fixture does not power up
• No power
• Check for power on power outlet
• Loose or damaged power cord
• Check power cord
• Blown fuse
• Replace fuse
• Faulty internal power supply
• Replace internal power supply
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
• Wrong DMX addressing
• Check Control Panel and unit addressing
• 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 display board
• Replace display board
• Faulty main board
• Replace 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.