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User
Instructions
American DJ
®
If you have problems ('trouble shooting')
Listed below is a few common problems the user may encounter, with solutions.
No light from the unit.
Check if the 'Power On' (red) LED is lit and the fan is running. If not there is no main supply. Check the fuse in the back
panel.
Check if lamp is alright. The user should be able to see some light escape through he fan. If power is present but lamp is
not alright, lamp may need to be replaced.
Note: If the unit is in standby mode because all its control channels are at 'zero' position, it may have turned the lamp off.
Set some controls to non-zero positions.
If the lamp is alright, check if the gobo wheel is in blackout position. If a controller is being used, change the gobo. If in
stand alone mode, tap the microphone a few times.
Unit not responding to DMX.
If the DMX LED (green) on the the rear of the unit is lit, the unit is definitely receiving DMX but is probably not responding
to the channel in which the user thinks it is. Check the dipswitch settings. If using auto set, check the dipswitch settings
on the first unit in the line.
If the DMX LED is not lit, check that the DMX cables are connected properly and are wired correctly (pin 3 is 'hot'; on
some other DMX devices pin 2 may be 'hot'). Also, check that all cables are connected to the right connectors; it does
not matter which way round they are.
If it is a bad connection, the DMX LED on and off lights may flash when cables are wiggled (but remember it may also be
the unit sensing audio!)
If DMX connectors are fairly short, ordinary microphone cables may be used. For longer runs, this may cause data
transmission problems (which will show up as random or incorrect movements); for best result, use proper balanced data
transmission cable.
Unit does not respond properly when controller is on fast chase
If the controller is changing very rapidly, the unit may not be able to keep up. It will 'average' the changes, which may
result in it doing things not expected. Either slow down the chase down, or set positions which are closer together.
Unit moves very slow in stand alone mode
Check that the dipswitches are not set to the special option settings. Set a special mode which makes the unit move
slowly all the time.
Unit does not respond to sound
Check to see if the unit is receiving DMX (the green LED should be off). Also check that the unit is not set to 'display'
mode (see page 3) if it does not respond to sound in this mode. Tapping the microphone should cause the LED to flash
(quiet or high pitched sounds will not activate the unit).
Unit blacks out in stand alone mode
Some of the units' built-in patterns include special effects such as blackout sweeps. When connecting two units up, only
one is ever blackened out at once, and the blackout 'swaps' between the units.
If problems are not resolved
Contact your American DJ® dealer for service.
© American DJ® Los Angeles, CA 90058 - Startec™ Arcbeam 150 User Manual page 6
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