Show Tec City Painter 575 User manual

City Painter 575
ORDERCODE 40905

Congratulations!
You have bought a great, innovative product from Showtec.
The Showtec City Painter 575 brings excitement to any venue. Whether you want simple plug-&-play action
or a sophisticated DMX show, this product provides the effect you need.
You can rely on Showtec, for more excellent lighting products.
We design and manufacture professional light equipment for the entertainment industry.
New products are being launched regularly. We work hard to keep you, our customer, satisfied.
For more information: [email protected]
You can get some of the best quality, best priced products on the market from Showtec.
So next time, turn to Showtec for more great lighting equipment.
Always get the best -- with Showtec !
Thank you!

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Showtec
Showtec City Painter 575™Product Guide
Warning..…...................................................................................…………………………………………..
Safety-instructions………………………………………………………………………………………….….
Operating Determinations…………………………………………………………………………………….
Rigging………………………………………………………………………………………………………….
Description..…..............................................................................……….…………………………………
Features and Overview ………………………………...….……………….………….………………….….
Installation...............................................................................…...…………………………………….…..
Installing the Lamp ........................................................………………………………………..…………
Set Up and Operation.....................................................................……..……………………………….…
One City Painter .........................................................................…………………………………………
Multiple City Painters…........................................................................…………………………………..
Control Mode…...................................................……………………………………………………………..
DMX 512 Mode / Master Mode / Slave Mode………………….……………………………………………
DMX Addressing...................................………………………………………………………………………
Master Automatic Dip Switch Settings...................................………………………………………..……
DMX Dip Switch Setting...................................…………………………………………………………..…
Beam Angle.............................................................................…...…………………………………….……
Structure of the Fixture..........................................................…...…………………………………….……
Electrical Wiring Diagram......................................................…...…………………………………….……
Maintenance...................................................................................………..………….…….………………
Changing the Lamp........................................................................…………………….…………………
Replacing the Fuse........................................................................…………………….…………………
Troubleshooting............................................................................………………….………………….…..
No Light, No Movement - All Products............................................………………….…………………..
No Response to DMX ....................................................................………………….…………………...
Product Specifications.................................................................……………….…….…………………...

2
WARNING
FOR YOUR OWN SAFETY, PLEASE READ THIS USER MANUAL CAREFULLY
BEFORE YOUR INITIAL START-UP!
SAFETY INSTRUCTIONS
Every person involved with the installation, operation and maintenance of this device has to:
-be qualified
-follow the instructions of this manual
Before your initial start-up, please make sure that there is no damage caused by transportation. Should
there be any, consult your dealer and do not use the device.
To maintain perfect condition and to ensure a safe operation, it is absolutely necessary for the user to follow
the safety instructions and warning notes written in this manual.
Please consider that damages caused by manual modifications to the device are not subject to warranty.
This device contains no user-serviceable parts. Refer servicing to qualified technicians only.
IMPORTANT:
The manufacturer will not accept liability for any resulting damages caused by the non-observance of
this manual or any unauthorized modification to the device.
•Never let the power-cord come into contact with other cables! Handle the power-cord and all
connections with the mains with particular caution!
•Never remove warning or informative labels from the unit.
•Never use anything to cover the ground contact.
•Never run the device without lamp!
•Never ignite the lamp if the objective-lens or any housing-cover is open, as discharge lamps may
expose and emit a high ultraviolet radiation, which may cause burns.
•Never lift the fixture by holding it at the projector-head, as the mechanics may be damaged. Always
hold the fixture at the transport handles.
•Never look directly into the light source.
•Never leave any cables lying around.
•Never unscrew the screws of the rotating gobo, as the ball bearing will otherwise be opened.
•Do not insert objects into air vents.
•Do not connect this device to a dimmerpack.
•Do not switch the device on and off in short intervals, as this would reduce the lamp’s life.
•If the lamp has been turned OFF, let the lamp cool down for 15 minutes, before turning the lamp ON
again.
•Do not touch the device’s housing bare-handed during its operation (housing becomes very hot).
•Do not shake the device. Avoid brute force when installing or operating the device.
CAUTION!
Keep this device away from rain and moisture!
Un
p
lu
g
mains lead before o
p
enin
g
the housin
g
!
CAUTION! Be careful with your operations.
With a dangerous voltage you can suffer
a dan
g
erous electric shock when touchin
g
the wires!

3
•Only use device indoor, avoid contact with water or other liquids.
•Only operate the fixture after having checked that the housing is firmly closed and all screws are
tightly fastened.
•Only operate the device after having familiarized with its functions.
•Avoid flames and do not put close to flammable liquids or gases.
•Always replace the lamp, when it is damaged or deformed due to the heat.
•Always keep case closed while operating.
•Always allow free air space of at least 50 cm around the unit for ventilation.
•Always disconnect power from the mains, when device is not used, before cleaning or when
replacing lamp! Only handle the power-cord by the plug. Never pull out the plug by tugging the
power-cord.
•Make sure that the device is not exposed to extreme heat, moisture or dust.
•Make sure that the available voltage is not higher than stated on the rear panel.
•Make sure that the power-cord is never crimped or damaged. Check the device and the power-cord
from time to time.
•If the lens is obviously damaged, it has to be replaced. So that its functions are not impaired, due to
cracks or deep scratches.
•If device is dropped or struck, disconnect mains power supply immediately. Have a qualified
engineer inspect for safety before operating.
•If the device has been exposed to drastic temperature fluctuation (e.g. after transportation), do not
switch it on immediately. The arising condensation water might damage your device. Leave the
device switched off until it has reached room temperature.
•If your Showtec device fails to work properly, discontinue use immediately. Pack the unit securely
(preferably in the original packing material), and return it to your Showtec dealer for service.
•For adult use only. City Painter must be installed out of the reach of children. Never leave the unit
running unattended.
•Never attempt to bypass the thermostatic switch or fuses.
•Replace the lamp if it becomes defective or worn out, or before usage exceeds the maximum service
life.
•Allow the fixture to cool down for 15 minutes, before opening the fixture and replacing lamp. Protect
your hands and eyes with gloves and safety glasses.
•For replacement use lamps and fuses of same type and rating only.
•Allow time to cool down, before replacing lamp.
•The user is responsible for correct positioning and operating of the City Painter. The manufacturer
will not accept liability for damages caused by the misuse or incorrect installation of this device.
•This device falls under protection class I. Therefore it is essential to connect the yellow/green
conductor to earth.
•During the initial start-up some smoke or smell may arise. This is a normal process and does not
necessarily mean that the device is defective.
•Repairs, servicing and electric connection must be carried out by a qualified technician.
•WARRANTY: Till one year after date of purchase.
CAUTION ! EYEDAMAGES !.
Avoid looking directly into the light source.
(
meant es
p
eciall
y
for e
p
ile
p
tics
)
!

4
OPERATING DETERMINATIONS
This device is not designed for permanent operation. Consistent operation breaks will ensure that the device
will serve you for a long time without defects.
The minimum distance between light-output and the illuminated surface must be more than 1.5 meter.
The maximum ambient temperature ta= 45°C must never be exceeded.
The relative humidity must not exceed 50 % with an ambient temperature of 45° C.
If this device is operated in any other way, than the one described in this manual, the product may suffer
damages and the warranty becomes void.
Any other operation may lead to dangers like short-circuit, burns, electric shock, lamp explosion, crash etc.
You endanger your own safety and the safety of others!
Improper installation can cause serious damage to people and property !
Rigging
Please follow the European and national guidelines concerning rigging, trussing and all other safety issues.
Do not attempt the installation yourself !
Always let the installation be carried out by an authorized dealer !
Procedure:
•If the projector is lowered from the ceiling or high joists, professional trussing systems have to be
used.
•Use a clamp to mount the projector, with the mounting-bracket, to the trussing system.
•The projector must never be fixed swinging freely in the room.
•The installation must always be secured with a safety attachment, e.g. an appropriate safety net or
safety-cable.
•When rigging, derigging or servicing the projector, always make sure, that the area below the
installation place is blocked and staying in the area is forbidden.
The City Painter can be placed on a flat stage floor or mounted to any kind of truss by a clamp.

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Mounting a clamp to the underside of the City Painter moving head
1. Always bolt at least 2 clamps to the holes on the base of the fixture.
2. Use 2 or 3 clamps to secure the City Painter to the truss. There are three M10 holes on the base of the
fixture to fasten the clamps.
Improper installation can cause serious damage to people and property !
Connection with the mains
Connect the device to the mains with the power-plug.
Always pay attention, that the right color cable is connected to the right place.
Cable Pin International
BROWN FASE L
BLUE NUL N
YELLOW/GREEN EARTH
Make sure that the device is always connected properly to the earth!

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Description of the device
Features
The Showtec City Painter 575 is a colourchanger with high output and great effects.
• DMX-control via standard DMX-controller
• 8 DMX-control channels required
• IP-54 Protection degree
• Stand-alone control or Master–Slave control
• Dimmer: 0-100%
• Zoom: 7-40 degrees (by DMX)
• Colors: Full CMY color mixing
• Strobe: 1-7Hz
• Flux: 49000 Lux
• Color Temp 7200 Kº
• Lamp not included
Note: If the lamp has been turned OFF, let the lamp cool down for 15 minutes, before turning the lamp ON
again.
Overview
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2
Fig. 1
1) Lens
2) Adjustment Screw for inclination angle

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Installation
Installing the Lamp
The Showtec City Painter 575 uses the MSR 575 (ordercode 80915P / 80915O) bulb as manufactured by all
popular manufacturers. Use only the appropriate lamp for your unit.
Note that, product versions that use other lamps, may be offered in the future. Check your product
specification label for information.
Always disconnect from electric mains power supply before changing lamps.
The lamp has to be replaced when it is damaged or deformed due to the heat.
Do not install lamps with a higher wattage! Lamps with a higher wattage generate temperatures the
device was not designed for.
Damages caused by non-observance are not subject to warranty.
Procedure :
1. Loosen the 4 screws on the aluminum housing (Fig. 2). Gently remove the metal housing.
2. Loosen the 2 screws (D and E--Fig. 3) on the lamp holder. Remove the lamp holder.
3. Read lamp instructions. Do not touch the lamp bulb glass. (See Fig 4)
Oil on hands shortens the lamp life. (If you touch the bulb glass, wipe off the glass with a clean, lint-free
towel and rubbing alcohol.).
4. Insert the lamp pins into the small holes in the lamp socket. Put the lamp holder back and fasten the
screws snugly.
5. Put the metal housing back and fasten the screws snugly.

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Set Up and Operation
Follow the directions below, as they pertain to your preferred operation mode.
Before plugging the unit in, always make sure that the power supply matches the product specification
voltage. Do not attempt to operate a 120V specification product on 230V power, or vice versa.
One City Painter
1. Leave at least 1 meter on all sides for air circulation.
2. Plug one end of the electric mains power cord into the IEC socket on the unit.
Then plug the other end of the cord into a proper electric power supply socket.
Multiple City painters
1. Leave at least 1 meter on all sides for air circulation.
2. Use a 3-p/ 5-p XLR cable to connect the Explorers and other devices.
3. Link the units as shown in (figure 4), Connect a DMX signal cable from the first unit's DMX "out" socket to
the second unit's "in" socket. Repeat this process to link the second, third, and fourth units.
4. Supply electric power: Plug electric mains power cords into each unit's IEC socket, then plug the other
end of the mains power cord into proper electric power supply sockets, starting with the first unit. Do not
supply power before the whole system is set up and connected properly.
Note: It’s necessary to insert a XLR termination plug (with 120 Ohm) in the last fixture in order to ensure
proper transmission on the DMX data link.

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Signal Amplifier 50347
5. If the lines have a total length over 150 meters, it is recommended to use a signal amplifier.
The usage of a normal microphone or audio cable is suggested only for lines of max. 100 meter.
Note : Link all cables before connecting electric power
Multiple City Painters Set Up
DMX-Set up
Master/Slave Set up
Fig. 4
Note : Link all cables before connecting electric power

10
Control Mode
There are 3 modes to operate the City Painter 575:
DMX 512 Mode
Master Mode
Slave Mode
DMX Addressing
The control panel on the front side of the base allows you to assign the DMX fixture address, which is the
first channel from which the City Painter will respond to the controller.
Please note when you use the controller, the unit has 8channels.
When using multiple City Painters, make sure you set the DMX addresses right.
Therefore, the DMX address of the first City Painter should be 1(001); the DMX address of the second City
Painter should be 1+8=9 (009); the DMX address of the third City Painter should be 9+8=17 (017), the DMX
address of the fourth City Painter should be 17+8=25 (025), etc.
Unit No. Address Binary Dip Switch Setting
Unit 1 1
Unit 2 9
Unit 3 17
Unit 4 25
Please, be sure that you don’t have any overlapping channels in order to control each City Painter correctly.
If two or more City Painters are addressed similarly, they will work similarly.
For address settings, please refer to the instructions under ”DMX 512 Mode”.
Controlling:
After having addressed all City Painter fixtures, you may now start operating these via your lighting
controller.
Note: After switching on, set switch #11 and # 12 to OFF, the City Painter will work with DMX
512 data.
If the device doesn’t work with DMX, the problem may be:
- The XLR cable from the controller is not connected with the input of the City Painter.
- The controller is switched off or defective, the cable or connector is detective, or the signal wires are
swapped in the input connector.
Note: It’s necessary to insert a XLR termination plug (with 120 Ohm) in the last fixture in order to ensure
proper transmission on the DMX data link.

11
Master Automatic Dip Switch Settings
Channel 0 – White
Channel 1 – Red
Channel 2 – Orange
Channel 3 – Green
Channel 4 – Sky Blue
Channel 5 – Light Blue
Channel 6 – Blue
Channel 7 – Dark Blue
Channel 8 – Purple
Channel 9 – Rose Red
Channel 10 – Pink
Channel 11 – 14 Rapid Color Change
RedOrangeGreenBlueLight BlueRose Red
CH11 (5 sec), CH12 (10 sec), CH13 (30 sec), CH14 (sec60)
Channel 15 – 18 Smooth Color Change
RedOrangeGreenBlueLight BlueRose Red
CH15 (5 sec), CH16 (10 sec), CH17 (30 sec), CH18 (sec60)
Channel 19 – 22 Rapid Color Change
RedOrangeGreenSky BlueLight BlueDark BluePurpleRose RedPink
CH19 (5 sec), CH20 (10 sec), CH21 (30 sec), CH22 (sec60)
Channel 23 – 26 Smooth Color Change
RedOrangeGreenSky BlueLight BlueDark BluePurpleRose RedPink
CH23 (5 sec), CH24 (10 sec), CH25 (30 sec), CH26 (sec60)
Channel 27 – 30 Rapid Color Change
RedOrangeGreenSky BlueLight BlueDark BluePurpleRose RedPink
CH27 (5 sec), CH28 (10 sec), CH29 (30 sec), CH30 (sec60)
Channel 31 – 34 Smooth Color Change
WhiteRedOrangeGreenBlueLight BlueRose Red
CH31 (5 sec), CH32 (10 sec), CH33 (30 sec), CH34 (sec60)
Channel 35 – 38 Rapid Color Change
WhiteRedOrangeGreenSky BlueLight BlueBlueDark Blue
PurpleRose RedPink
CH35 (5 sec), CH36 (10 sec), CH37 (30 sec), CH38 (sec60)
Channel 39 – 42 Smooth Color Change
WhiteRedOrangeGreenSky BlueLight BlueBlueDark Blue
PurpleRose RedPink
CH39 (5 sec), CH40 (10 sec), CH41 (30 sec), CH42 (sec60)

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DMX Dip Switch Setting
Channel 1 – Control Speed
0-255 CMY / Dimmer Control Speed (from Fast to Slow)
Channel 2 – Yellow
0-255 Yellow from 0 –100 %
Channel 3 – Magenta
0-255 Magenta from 0 –100 %
Channel 4 – Cyan
0-255 Cyan from 0 –100 %
Channel 5 – Macro Colourwheel
0-255 RedOrangeGreenSky BlueLight BlueBlueDark BluePurpleRose RedPink
Channel 6 – Dimmer
0-255 Linear Dimmer from 0 –100 %
Channel 7 – Zoom
0-255 Linear Zoom 7º – 40º
Channel 8 – Automatic
0-31 DMX Channel 1-5 Control
32-38 Rapid Color Change RedOrangeGreenBlueLight BlueRose Red (5 sec)
39-45 Rapid Color Change RedOrangeGreenBlueLight BlueRose Red (10 sec)
46-52 Rapid Color Change RedOrangeGreenBlueLight BlueRose Red (30 sec)
53-59 Rapid Color Change RedOrangeGreenBlueLight BlueRose Red (60 sec)
60-66 Smooth Color Change RedOrangeGreenBlueLight BlueRose Red (5 sec)
67-73 Smooth Color Change RedOrangeGreenBlueLight BlueRose Red (10 sec)
74-80 Smooth Color Change RedOrangeGreenBlueLight BlueRose Red (30 sec)
81-87 Smooth Color Change RedOrangeGreenBlueLight BlueRose Red (60 sec)
88-94 Rapid Color Change RedOrangeGreenSky BlueLight BlueDark BluePurpleRose RedPink (5 sec)
95-101 Rapid Color Change RedOrangeGreenSky BlueLight BlueDark BluePurpleRose RedPink (10 sec)
102-108 Rapid Color Change RedOrangeGreenSky BlueLight BlueDark BluePurpleRose RedPink (30 sec)
109-115 Rapid Color Change RedOrangeGreenSky BlueLight BlueDark BluePurpleRose RedPink (60 sec)
116-122 Smooth Color Change RedOrangeGreenSky BlueLight BlueDark BluePurpleRose RedPink (5 sec)
123-129 Smooth Color Change RedOrangeGreenSky BlueLight BlueDark BluePurpleRose RedPink (10 sec)
130-136 Smooth Color Change RedOrangeGreenSky BlueLight BlueDark BluePurpleRose RedPink (30 sec)
137-143 Smooth Color Change RedOrangeGreenSky BlueLight BlueDark BluePurpleRose RedPink (60 sec)
144-150 Rapid Color Change WhiteRedOrangeGreenBlueLight BlueRose Red (5 sec)
151-157 Rapid Color Change WhiteRedOrangeGreenBlueLight BlueRose Red (10 sec)
158-164 Rapid Color Change WhiteRedOrangeGreenBlueLight BlueRose Red (30 sec)
165-171 Rapid Color Change WhiteRedOrangeGreenBlueLight BlueRose Red (60 sec)
172-180 Smooth Color Change WhiteRedOrangeGreenBlueLight BlueRose Red (5 sec)
181-206 Smooth Color Change WhiteRedOrangeGreenBlueLight BlueRose Red (10 sec)
207-232 Smooth Color Change WhiteRedOrangeGreenBlueLight BlueRose Red (30 sec)
233-255 Smooth Color Change WhiteRedOrangeGreenBlueLight BlueRose Red (60 sec)
129-154 Rapid Color Change WhiteRedOrangeGreenSky BlueLight BlueBlueDark BluePurpleRose RedPink (5 sec)
155-180 Rapid Color Change WhiteRedOrangeGreenSky BlueLight BlueBlueDark BluePurpleRose RedPink (10 sec)
181-206 Rapid Color Change WhiteRedOrangeGreenSky BlueLight BlueBlueDark BluePurpleRose RedPink (30 sec)
207-232 Rapid Color Change WhiteRedOrangeGreenSky BlueLight BlueBlueDark BluePurpleRose RedPink (60 sec)
233-255 Smooth Color Change WhiteRedOrangeGreenSky BlueLight BlueBlueDark BluePurpleRose RedPink (5 sec)
233-255 Smooth Color Change WhiteRedOrangeGreenSky BlueLight BlueBlueDark BluePurpleRose RedPink (10 sec)
233-255 Smooth Color Change WhiteRedOrangeGreenSky BlueLight BlueBlueDark BluePurpleRose RedPink (30 sec)
233-255 Smooth Color Change WhiteRedOrangeGreenSky BlueLight BlueBlueDark BluePurpleRose RedPink (60 sec)

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Beam Angles

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Structure of the Fixture

15
Electrical Wiring Diagram

16
Maintenance
The operator has to make sure that safety-relating and machine-technical installations are to be inspected
by an expert after every four years in the course of an acceptance test.
The operator has to make sure that safety-relating and machine-technical installations are to be inspected
by a skilled person once a year.
The following points have to be considered during the inspection:
1. All screws used for installing the device or parts of the device have to be tightly connected and must
not be corroded.
2. There may not be any deformations on housings, fixations and installation spots.
3. Mechanically moving parts like axles, eyes and others may not show any traces of wearing.
4. The electric power supply cables must not show any damages or material fatigue.
The Showtec City Painter 575 requires almost no maintenance. However, you should keep the unit clean.
Otherwise, the fixture’s light-output will be significantly reduced. Disconnect the mains power supply, and
then wipe the cover with a damp cloth. Do not immerse in liquid. Wipe lens clean with glass cleaner and a
soft cloth. Do not use alcohol or solvents.
The cooling-fans, colour-filters, and the internal lenses should be cleaned monthly with a soft brush.
Please clean internal components once a year with a light brush and vacuum cleaner.
Keep connections clean. Disconnect electric power, and then wipe the DMX and audio connections with a
damp cloth. Make sure connections are thoroughly dry before linking equipment or supplying electric power.
Changing the Lamp
1. Disconnect mains power supply.
2. Loosen the 4 screws on the aluminum housing. Gently remove the metal housing.
3. Loosen the 2 screws (D and E) on the lamp holder. Remove the lamp holder.
4. Follow directions for installing a new lamp, page 7.
Replacing a Fuse
Power surges, short-circuit or inappropriate electrical power supply may cause a fuse to burn out. If the fuse
burns out, the product will not function whatsoever. If this happens, follow the directions below to do so.
1. Unplug the unit from electric power source.
2. Insert a flat-head screwdriver into a slot in the fuse cover. Gently pry up the fuse cover. The fuse will
come out.
3. Remove the used fuse. If brown or unclear, it is burned out.
4. Insert the replacement fuse into the holder where the old fuse was. Reinsert the fuse cover. Be sure to
use a fuse of the same type and specification. See the product specification label for details.

17
Troubleshooting
No Light
This troubleshooting guide is meant to help solve simple problems. If a problem occurs, carry out the steps
below in sequence until a solution is found. Once the unit operates properly, do not carry out following
steps.
If the light effect does not operate properly, refer servicing to a technician.
Response: Suspect three potential problem areas: the power supply, the lamp, the fuse.
1. Power supply. Check that the unit is plugged into an appropriate power supply.
2. The lamp. Replace the old lamp with a new one with the same specifications. See page 7 for replacing
lamps.
3. The fuse. Replace the fuse. See page 16 for replacing the fuse.
No Response to DMX
Response: Suspect the DMX cable or connectors, a controller malfunction, a light effect DMX card
malfunction.
1. Check the DMX cable: Unplug the unit; change the DMX cable; then reconnect to electrical power. Try
your DMX control again.
2. Determine whether the controller or light effect is at fault. Does the controller operate properly with other
DMX products ? If not, take the controller in for repair. If so, take the DMX cable and the light effect to a
qualified technician.
See next page for more problem solving.

18
Common Problems
DMX Related Problems
Problem Testing Analysis Solution
No mains power Connect the powerCheck that the power supply is the
same as that specified on the unit.
Power cable /
connection incorrect.
Replace the power cable and
connector
No power to fixture,
fans not turning.
Check the fuse. Main fuse burnt. Replace the main fuse.
The lamp is damaged. Replace the lamp.
The lamp is too hot and
is trying to restrike.
Wait for the lamp to cool.
The mains voltage is
too low.
Test the mains voltage.
The igniter is broken. Replace the igniter.
After connecting power, there are
some sounds coming from inside the
fixture.
The ballast is
connected incorrectly.
Check the connections to the ballast.
The fixture casing is not
closed correctly.
Check and replace all of the fixing
locks on the casing.
After connecting power, there are no
sounds from inside the fixture.
PCB or Switch
connections are
incorrect.
Test the PCB and Switch
connections.
The temperature inside
the unit is too high.
Wait for the lamp to cool
Fixture is operational
but there is no output.
The thermostat is open.
The cooling fans are
not operating.
Check the connections on the fan. If
the fan is faulty, replace with a new
one.
The lamp is not operating correctly. The mains voltage is
too high or too low.
Test the mains voltage.
cooling fans are not
operating correctly.
Check the connections on the fan.
If the fan is faulty, replace with a new
one.
The lamp is dim.
The temperature in the unit is too
high.
The air intake slits are
blocked.
Clean the air intake slits.
Problem Testing Analysis Solution
Check that all units are set in DMX
512 MODE.
The controller is not
connected to the
fixtures.
Reconnect the DMX512 controller.
All units are not
responding to DMX 512
control.
The DMX signal indicator
are not lit.
Reset all of the fixtures. There is a cable error
between the fixtures.
Use a known to be working cable to
test each fixture.
It is always the same units, which
are showing operating problems.
DMX Address is set
incorrectly
Set the correct DMX address
Fixtures will operate from time to
time.
The signal cable is
incompatible with the
DMX512 signal or the
signal cable is
disconnected or
damaged somewhere.
Check the signal cable is compatible
with DMX512 signal and check that
the cable is connected correctly and
that there is no damaged part to the
cable.
The DMX512 control
board in the fixture is
damaged.
Replace the DMX512 control board in
the fixture.
One or several fixtures
are not responding to
DMX512 control or not
responding correctly.
Locate which unit the DMX512
problem is coming from, by
bypassing the units one at a time.
The DMX512 signal
has no feedback.
Connect a terminator connector to
the last fixture