Philips Vari-Lite VL440 - Troubleshooting Guide

VARI❋LITE - VL440 / VL770 / VL880 SPOT LUMINAIRES SERVICE MANUAL
16 02.9687.0010 0
Troubleshooting Guide
If a problem is suspected, try recalibrating the luminaire to prompt an error message. Refer to “Error
Messages” on page 15 for more information. The chart below provides possible causes and remedies
for various error messages and/or symptoms.
Table 2-1: 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 lumi-
naire
DMX Termination No DMX termination or termination not correct...
- check for DMX terminator.