Troubleshooting Guide - Philips VARI-LITE VL4000 Service Manual

Troubleshooting Guide

If a problem is suspected, try recalibrating the luminaire to prompt an error message. If a problem is
suspected, first try recalibrating the luminaire to prompt an error message (refer to
on page 10). 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.
Message Symptom
Lamp Power Lamp does not strike upon
Douse start-up
n/a Lamp douses frequently
n/a Lamp will not strike
n/a Luminaire behaves oddly
n/a Luminaire does not power
up
n/a Self tests will not run or
software download does
not work from luminaire.
n/a No response to DMX data
n/a Erratic control of luminaire
02.97 04.601 0 A
Note: All procedures are done with the power completely removed. Adhere to all warnings in this manual.
T
ROUBLESHOOTING
Table 2-2: Troubleshooting Guide
Description
Lamp Off option is configured
Lamp Douse
Lamp Strike Failure
DMX Map Not Matched
No power
DMX Data Input
DMX Failure
DMX Termination
: T
ROUBLESHOOTING
Possible Cause/Remedy
- Reconfigure lamp startup option in Lamp config menu.
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.
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 200 to 240 VAC).
Fan failure...
- check head and enclosure fans for proper operation.
Console library not set correctly...
- check console library matches DMX map of luminaire.
Circuit not energized...
- verify circuit breaker (at source) is turned on.
Not plugged in...
- ensure A/C cable is connected to power source.
Detecting DMX data...
- disconnect DMX input cable.
DMX connector disconnected...
- check DMX DATA IN connection.
No DMX termination or termination not correct...
- check for DMX terminator.
- Luminaire DMX address does not match console patch.
2
G
UIDE
"Error Messages"
11