Troubleshooting - ACME Festival LED-787 User Manual

7. Troubleshooting

Following are a few common problems that may occur during operation. Here are some
suggestions for easy troubleshooting:
A. The fixture does not work, no light
1. Check the connection of power and main fuse.
2. Measure the mains voltage on the main connector.
B. Not responding to DMX controller
1. DMX LED should be on. If not, check DMX connectors, cables to see if link properly.
2. If the DMX LED is on and no response to the channel, check the address settings and
DMX polarity.
3. If you have intermittent DMX signal problems, check the pins on connectors or on PCB
of the fixture or the previous one.
4. Try to use another DMX controller.
5. Check if the DMX cables run near or run alongside to high voltage cables that may
cause damage or interference to DMX interface circuit.
C. Some fixtures don't respond to the easy controller
1. You may have a break in the DMX cabling. Check the LED for the response of the
master/ slave mode signal.
2. Wrong DMX address in the fixture. Set the proper address.
D. No response to the sound
1. Make sure the fixture does not receive DMX signal.
2. Check microphone to see if it is good by tapping the microphone.
E. One of the channels is not working well
1. The stepper motor might be damaged or the cable connected to the PCB is broken.
2. The motor's drive IC on the PCB might be out of condition.
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1. Safety Introductions
Please read the instructions carefully which includes important
information about the installation, operation and maintenance.
WARNING
Please keep this User Manual for future consultation. If you sell the fixture to another
user, be sure that they also receive this instruction booklet.
Unpack and check carefully there is no transportation damage before using the fixture.
It's important to ground the yellow/green conductor to earth in order to avoid electric
shock.
Disconnect main power before servicing and maintenance.
Maximum ambient temperature is Ta : 40℃. Don't operate it where the temperature is
higher than this.
In the event of serious operating problem, stop using the fixture immediately. Never try
to repair the fixture by yourself. Repairs carried out by unskilled people can lead to
damage or malfunction. Please contact the nearest authorized technical assistance
center. Always use the same type spare parts.
Do not connect the device to any dimmer pack.
Do not touch any wire during operation and there might be a hazard of electric shock.
To prevent or reduce the risk of electrical shock or fire, do not expose the fixture to rain
or moisture.
The housing must be replaced if they are visibly damaged.
Do not look directly at the LED light beam while the fixture is on.
There are no user serviceable parts inside the fixture. Do not open the housing or
attempt any repairs by yourself. In the unlikely event your fixture may require service,
please contact your nearest dealer.
Due to the magnifying type lens, please keep the lens out of contact with direct sunlight.
Direct sunlight can cause heat to build up inside of the unit, which will seriously damage
unit.
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