T
ROUBLESHOOTING
AND
M
AINTENANCE
A
0 2 . 9 6 8 7 . 0 0 0 1 C
3 1 O c t o b e r 2 0 1 3
81
Troubleshooting Guide
If a problem is suspected, first try recalibrating the luminaire to prompt an error message. The chart
below provides possible causes and remedies for various error messages and/or symptoms.
CAUTION:
Some troubleshooting is included for reference only. Performing remedies may void
product warranty. Refer to the Vari-Lite Limited Warranty card included with the product.
Table A-2: Troubleshooting Guide
Message
Symptom
Description
Possible Cause/Remedy
Lamp
Power
Douse
Lamp does not strike
upon start-up
Lamp Off option is config-
ured
- Reconfigure lamp startup option in Lamp config
menu.
n/a
Lamp douses frequently
Lamp Douse
Fan failure...
- check head and enclosure fans for proper
operation.
Ballast overheating...
- operating within the specified ambient
temperature?
- check enclosure vents for debris / dirt.
- check fan settings in menu.
- check enclosure fans for proper operation.
NOTE: Upon initial power up, ballast fans will run for
a few seconds and then operate as needed.
Enclosure vents must be clear of debris and dirt to
allow proper airflow.
n/a
Lamp will not strike
Lamp Strike Failure
Lamp cutout switch disengaged...
- check lamp cutout switches at lamp box and fan
ducts.
Bad lamp...
- replace lamp.
Low input voltage...
- check input power (must be 100 to 240 VAC).
n/a
Luminaire behaves
oddly
Profile Not Matched
Profile not set correctly...
- check Setup menu for correct type (console patch
/ profile).
n/a
Luminaire does not
power up
No power
Circuit not energized...
- verify circuit breaker (at source) is turned on.
Not plugged in...
- ensure A/C cable is connected to power source.
n/a
Self tests will not run or
software download does
not work from luminaire.
DMX Data Input
Detecting DMX data...
- disconnect DMX input cable.
n/a
No response to DMX
data
DMX Failure
DMX connector disconnected...
- check DMX DATA IN connection.
n/a
Erratic control of
luminaire
DMX Termination
No DMX termination or termination not correct...
- check for DMX terminator.
n/a
Iris operation is not cor-
rect
Iris setting not correct
Refer to
“Iris Operation” on page 35
.
Summary of Contents for Variolite VL440
Page 1: ......
Page 13: ...FOREWORD 02 9687 0001 C 31 October 2013 xi ...
Page 14: ...VARI LITE VL440 VL770 VL880 LUMINAIRE USER S MANUAL xii 31 October 2013 02 9687 0001 C ...
Page 18: ...VARI LITE VL440 VL770 VL880 LUMINAIRE USER S MANUAL 4 31 October 2013 02 9687 0001 C ...
Page 22: ...VARI LITE VL440 VL770 VL880 LUMINAIRE USER S MANUAL 4 31 October 2013 02 9687 0001 C Notes ...
Page 94: ...VARI LITE VL440 VL770 VL880 LUMINAIRE USER S MANUAL 76 31 October 2013 02 9687 0001 C Notes ...
Page 115: ......