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General Troubleshooting
Symptom(s) Possible Solution(s)
1 or more LED’s are not
illuminating
Clean the fixture regularly to avoid any such failure. This fixture is
convection cooled, which means that if the surface is kept clean and free
of debris, then proper cooling will be allowed to occur
An LED may have failed, resulting in an open circuit. In this event, all of
the red, green, or blue in a single module will no longer illuminate. This
does not mean that all of the LEDs have failed, but the circuit is wired in
series.
An LED may have failed, resulting in a short circuit. In this event, only
the single LED which has failed will no longer function. This does not
mean that all of the LEDs have failed, but the circuit is wired in series.
-Note: In the event of LED failure, a replacement LED PCB assembly
may be purchased directly from CHAUVET Part#: P222-DERBYX
1 or more LED’s are producing
very low output
Check that the lens assembly is installed properly. If the lens assembly
is not aligned properly over the LEDs, then they will not project fully
-See section on Lens Assembly Installation
-Note: In the event of LED failure, a replacement LED PCB assembly
may be purchased directly from CHAUVET Part#: P222-DERBYX
Breaker/Fuse keeps blowing Check total load placed on the electrical circuit
Check for a short in the electrical wiring: internal and/or external
Device has no power Check device’s fuse (internal)
Check for power on Mains
-Note: In the event of autoswitching transformer failure, the unit can be
sent in for repair; however, a replacement part can be ordered directly
from CHAUVET Part#: P140-DERBYX
Fixture is not responding to
DMX
Check Control Panel settings for correct addressing
Check DMX cables
Check polarity switch settings on the controller
Check cable connections
Call service technician
See page #10 for proper settings to operate in DMX mode
-Note: In the event of Master PCB failure, a replacement PCB can be
ordered directly from CHAUVET Part#: P172-DERBYX
Loss of signal Use only DMX cables
Install terminator
Note: Keep DMX cables separated from power cables or black lights
Stand alone operation problem See page #8 & #10 for details on proper settings and connections
If you still have a problem after trying the above solutions, please contact
CHAUVET Technical Support at the location on the next page.
Derby X™ User Manual 15 7/14/2008 1:27 PM