Technical Information
Q-Spot™ 160-LED User Manual R ev. 01b -17-
Troubleshooting Guide Symptom Cause(s) Action(s)
Low LED output
• Dirty optics • Clean optic path
• Dimmer active • Check dimmer setting from control p anel
• Faulty LE D • Replace LED board
• Faulty LED driver board • Repl ace LED driver board
• Faulty main board • Repl ace main board
No LED output
• Dimmer set to 0% • Check dimmer setting from control p anel
• Faulty LE D • Replace LED board
• Faulty LED driver board • Repl ace LED driver board
• Faulty main board • Repl ace main board
Jumpy or no head
movement
• Faulty s ensor • Rep lace sens or
• Faulty wiring • Check and repair wiring
• Faulty synch belt • Repl ace synch belt
• Faulty X/Y c ontrol board • Repl ace X/Y control board
• Faulty main board • R eplace main board
• Faulty stepper motor • R eplace st epp er m ot or
Fixture does not power up
• No power • Check for pow er on power outlet
• Loose or damaged power c ord • Check p ower cord
• Blown fuse • Repl ace fuse
• Faulty internal power s upply • Replace internal power supply
Circuit breaker/fuse keeps
tripping/blowing
• Excessive circuit load • Check total load placed on the electrical circuit
• Short circuit along th e power wires • Check for a short in the electrical wiring
Fixture does not respond
to DMX
• Wrong DMX addressing • Check Control Panel and u nit addressing
• Damaged DMX cables • Ch eck DMX c ables
• Wrong polarity on the controller • C heck polarity switch setti ngs on the controller
• Loose DMX cables • Check cable connections
• Faulty disp lay board • Replac e display board
• Faulty main board • Replac e main board
DMX signal problems
• Non DMX c ables • Use only D MX compatible cables
• Bouncing signals • Install t er mi n at or as suggested
• Long cable / low level si gnal • Install an optically c oupled DMX splitter rig ht
after the fixture with the strong signal
• Too many fixtures • Inst all an optically coupled DM X splitter after
unit #32 or before
• Interference from AC wir es • Keep DMX cables separ ated from power
cables or fluorescent/black lights
If you still experience technical problems aft er trying the above solutions, contact
CHAUVET® Technical Support.