TROUBLE SHOOTING
WARNING! Any service and maintenance (including troubleshooting), other than described herein should be
performed by an Authorized Altman Lighting Dealer or Service Center.
PEGASUS 6” and 8” Fresnel Installation
&
User’s
Manual
PAGE 15
Description
Symptom
Possible Cause / Remedy
No Light Output
Fixture will not produce
Light output but has pow-
er. Display is illuminated or
internal LED is illuminated.
Unit Setting is at 0% Local control
Unit Setting is at 0% DMX control
Set Level above 0% or adjust to a higher intensity.
No Power at Lumi-
naire
Luminaire does not power
up.
Circuit is not energized, Verify circuit pow-
er and circuit breaker has been turned on.
Not Plugged in, ensure viable power source and unit is
plugged in. Verify power cabling is wired correctly (see
page 9 for details)
DMX Data Control
Fixture will not respond to
DMX Commands.
Not detecting DMX data, Discon-
nect and reconnect DMX input cable.
Unit is set in Stand Alone mode. DMX Connection not
wired properly see page 9 for details. DMX address is
different than that of the DMX controller. DMX CON-
TROL switch is in MAINS CONTROL
LOW light output
Fixture is powered but low
light output.
Luminaire is in the incorrect DIM CURVE Setting for con-
nected voltage. Use 115 VAC setting for 100-120 and
220 VAC setting for 220 - 240
Local Programming
Unit will not allow pro-
gramming changes
See page 11 - 13 for step by step on setting up DMX
and stand alone control.
Luminaire not re-
sponding to DMX
control
Unit either goes to full
intensity or zero and does
not respond to control
Remove power from the Luminaire - Wait 10 seconds -
reapply power. DMX control board will then boot and
allow for control.
Luminaire not re-
sponding to DMX
control
Unit either goes to full
intensity or zero and does
not respond to control
Remove power from the Luminare. Depress the “TENS”
button and reapply power. Wait 3 Seconds and release
the “TENS” button. Control board will reboot and reset
all factory defaults.
