Chauvet Q-RollTM 250 - Manual (Page 16)

Appendix
Q-Scan 250 & Q-Roll 250 User Manual 16 2005-11-15/13:24
General Troubleshooting
Applies to
Symptom Solution(s) Lights
Foggers
& Snow Controllers
Dimmers
& Chaser
Auto shut off Check fan thermal switch reset

Beam is very dim or not
bright Clean optical system or replace lamp
Check 220/110v switch for proper setting 
Breaker/Fuse keeps
blowing Check total load placed on device 
Chase is too slow Check users manual for speed adjustment
  
Device has no power Check for power on Mains.
Check device
’s fuse. (internal and/or external)
  
Fixture is not responding Check DMX Dip switch settings for correct addressing
Check DMX cables
Check polarity switch settings

Fixture is on but there is
no movement to the
audio Make sure you have the correct audio mode on the control
switches. If audio provided via
¼” jack, make sure a live audio
signal exists
Adjust sound sensitivity knob
  
Lamps cuts off
sporadically Possible bad lamp or fixture is overheating.
Lamp may be at end of its life. 
Light will not come on
after power failure Some discharge lamps require a cooling off period before the
electronics in the fixture can kick start it again, wait 5 to 10
minutes before powering up

Loss of signal Use only DMX cables
Install terminator
Note: Keep DMX cables separated from power cables or black
lights.
   
Motor movements are
jerky or jumpy Possible bad motor driver or sensors
Check polarity switch on controller  
Moves slow Check 220/110v switch for proper setting

No flash Re-install bulb, may have shifted in shipping

No light output Check slip ring & brushes for contact
Install bulb
Call service technician

Relay will not work Check reset switch
Check cable connections 
Remote does not work Make sure connector is firmly connected to device
 
Stand alone mode All CHAUVET lighting fixtures featuring stand-alone functions
do not require additional settings, simply power the fixture and
it will automatically enter into this mode

Unit wobbles when
rotating Check for damages possibly incurred during shipping
