Vari Lite VL2500 Spot Luminaire, Service Manual

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VARI
❋
LITE ® - VL2500™ W
ASH
L
UMINAIRE
S
ERVICE
M
ANUAL
14 09-December-2004 02.9676.0022 0
Troubleshooting Guide
If a problem is suspected, try recalibrating the luminaire to prompt an error message. Refer to
the Troubleshooting Guide table (below) for more information. This table provides possible
causes and remedies for each message.
Table 2-2: Troubleshooting Guide
Message Symptom Description Possible Cause and Remedy
n/a No response to DMX
data
DMX Failure MCB connector disconnected...
- check MCB DATA IN connection.
n/a Lamp douses frequently Lamp Douse Fan failure...
- check fans for proper connection and
operation.
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 200 to 264 VAC)
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 Luminaire behaves
oddly
Profile Not Matched Profile not set correctly...
- check Setup menu for correct type (spot or
wash).
- check start DMX address
No Sens No control, continuous
recalibration, and/or
mechanism at wrong
position
Mechanism failed to find
sensor (reported for
Cyan, Yellow, Magenta,
ColWheel, Dimmer and
Edge)
Motor power not connected...
- connect motor power.
Sensor not connected...
- connect sensor.
Movement restricted or impeded...
- remove obstruction, check cable routing,
and/or check voltage at MCB test point.
n/a Luminaire does not
power-up
No power Switch not turned on...
- verify switch is turned on.
Not plugged in...
- ensure A/C cable is connected to power
source.
Pan/
Encoder/
Fail
Luminaire will not pan Pan Encoder Failure MCB pan/tilt connector disconnected...
- connect MCB pan/tilt connector (J8).
Pan motor disconnected
- connect pan motor power.
Encoder faulty...
- replace pan end-of-travel/encoder sensor
assembly.