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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.