Chauvet DMX-750 User Manual

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DMX-750 Manual Version 1.1 

 

 

12 

General Troubleshooting 

 

Auto shut off 

Check fan thermal switch reset 

9 

 

 

 

Beam is very dim or not bright 

Clean optical system or replace lamp 
Check 220/110v switch for proper setting 

9 

 

 

 

Breaker/Fuse keeps blowing 

Check total load placed on device 

 

 

 

9 

Chase is too slow 

Check users manual for speed adjustment 

9 

 

9 

9 

Device has no power 

Check for power on Mains. 
Check device’s fuse. (internal and/or external) 

9 

 

9 

9 

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 

9 

 

9 

9 

Fluid indicator not working 

The filter tip on the end of the tube inserted into the 
fluid container must float freely in order to measure 
correctly, check to see if perhaps it is stuck 

 

9 

 

 

Fogger or Snow output has 
dropped 

Clean with distilled water and vinegar 
Replace hose 

 

9 

 

 

Lamps cuts off sporadically  

Possible bad lamp or fixture is overheating. 
Lamp may be at end of its life. 

9 

 

 

 

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 

9 

 

 

 

Loss of signal 

Use only DMX cables 
Install terminator 

9 

9 

9 

9 

Motor movements are jerky or 
jumpy 

Possible bad motor driver or sensors 
Check  polarity switch on controller 

9 

 

9 

 

Moves slow 

Check 220/110v switch for proper setting 

9 

 

 

 

No flash 

Re-install bulb, may have shifted in shipping 

9 

 

 

 

No fog 

Check fluid tank if empty 
Make sure green light is on (for power) 

 

9 

 

 

No laser output 

Bounce mirror motor may have shifted during 
shipping, readjust  

9 

 

 

 

No light output 

Check slip ring & brushes for contact  
Install bulb 
Call service technician 

9 

 

 

 

Relay will not work 

Check reset switch 
Check cable connections 

 

 

 

9 

Remote does not work 

Make sure connector is firmly connected to device 

9 

9 

 

 

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 

9 

 

 

 

Unit wobbles when rotating 

Check for damages possibly incurred during 
shipping 

9