Troubleshooting Guide - Philips VL3015LT Service Manual

❋
VARI LITE - VL3015LT S

Troubleshooting Guide

If a problem is suspected, try recalibrating the luminaire to prompt an error message. Refer to
Messages" on page 13
for each message.
Message Symptom
n/a No response to DMX
n/a Lamp douses frequently
n/a Lamp will not strike
No Sens No control, continuous
recalibration, and/or
mechanism at wrong
position
n/a Luminaire does not
power-up
Pan/ Luminaire will not pan
Encoder/
Fail
Tilt/ Luminaire will not tilt
Encoder/
Fail
14
L S
POT UMINAIRES
for more information. The chart below provides possible causes and remedies
Table 2-2: Troubleshooting Guide
Description
DMX Failure
data
Lamp Douse
Lamp Strike Failure
Mechanism failed to find
sensor (reported for Blue,
Amber, Magenta, Col-
Wheel, CTO, Gobo1,
Index1, and Gobo2)
No power
Pan Encoder Failure
Tilt Encoder Failure
M
ERVICE ANUAL
Possible Cause and Remedy
MCB connector disconnected...
- check MCB DATA IN connection.
Fan failure...
- check fans for proper connection and
operation.
Lamp cutout switch disengaged...
- check lamp cutout switch at lamp box.
Bad lamp...
- replace lamp.
Low input voltage...
- check input power (must be 200 to 264 VAC)
Motor power not connected...
- connect motor power.
Sensor not connected...
- connect sensor.
Interconnect board not connected securely...
- check connection, inspect for bent pins.
Movement restricted or impeded...
- remove obstruction, check cable routing,
and/or check voltage at MCB test point.
Not plugged in...
- ensure A/C cable is connected to power
source.
- ensure A/C cable properly constructed.
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.
MCB pan/tilt connector disconnected...
- connect MCB pan/tilt connector (J8).
Tilt motor disconnected
- connect tilt motor power.
Encoder faulty...
- replace tilt end-of-travel/encoder sensor
assembly.
"Error
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