Daktronics Galaxy AF-3200 Series, Manual

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Maintenance and Troubleshooting
4-10
4.14 Weather Stripping
To ensure the display is weather resistant, Daktronics provides weather stripping
around the entire display and around each module. The weather stripping must be
properly installed at all times or water may leak into the display, damaging the
components.
4.15 Troubleshooting
This sub-section contains some symptoms that you may encounter in the displays.
This list does not include every possible symptom, but does represent common
situations that may occur.
Symptom/Condition Possible Cause/Remedy
One or more LEDs on a single
module fail to light.
•
Replace/check cables on the module.
•
Replace pixel strip
•
Replace the driver.
One or more LEDs on a single
module fail to turn off.
•
Replace/check cables on module.
•
Replace pixel strip
•
Replace the driver.
A section of the sign is not
working. The section extends all
the way to the right side of the
sign.
•
Replace/check the ribbon cables.
•
Check power to the modules.
•
Replace the first driver on the left side
of the first module that is not working.
•
Replace the second driver that is not
working.
•
Replace the power supply assembly to
the first module that is not working.
One row of modules does not
work or is garbled.
•
Replace/check the ribbon cables.
•
Replace first driver.
•
Replace controller.
•
Check the fuses in the power
termination box.
A group of modules, which share
the same power supply
assembly, fail to work.
•
Check power supply voltage.
•
Check the power supply cables.
•
Replace the power supply assembly.
Entire sign fails to work.
•
Check for proper line voltage into the
power termination panel.
•
Check the fuse in the power
termination panel.
•
Check/replace the ribbon cable from
the controller to the driver.
•
Check the voltage settings on the
power supplies.
•
Verify proper use of the software in the
operation manual.
•
Replace the controller.
•
(For direct displays) Check the signal
cable to the display by doing a
loopback test.
Temperature always reads –196
degrees
•
Check temperature sensor
connections.
•
Replace the temperature sensor.
•
Replace the controller.
Sign is stuck on bright or dim.
•
Check Manual/Auto dimming in Venus
1500 software.
•
Check light detector cable.