Daktronics Galaxy AF-3112 Primary Series, Руководство пользователя

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Maintenance and Troubleshooting
4-12
4.9 Troubleshooting
This sub-section contains some symptoms that may be encountered 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 ribbon cables on the module.
•
Replace the module.
One or more LEDs on a single module
fail to turn off.
•
Replace/check ribbon cables on module.
•
Replace the module.
A section of the display is not working.
The section extends all the way to the
right side of the display.
•
Replace/check the ribbon cable to the first
module.
•
Check that the first module has power.
•
Replace the first module/driver on the left side
of the first module that is not working.
•
Replace the second module that is not
working.
•
Replace the power supply assembly on the
first module that is not working.
One row of modules does not work or is
garbled.
•
Replace/check ribbon cable to first module.
•
Check for bent pins on module and controller.
•
Replace controller.
•
Replace first module.
•
Check the fuses in the power termination box.
A group of modules, (a column or block)
which share the same power supply
assembly, fail to work.
•
Check the wire connections at the power
supply.
•
Check power to modules.
•
Replace the power supply assembly.
Entire display fails to work.
•
Check for proper line voltage into the power
termination panel.
•
Check for correct power to controller and
modules.
•
Check fuse in power termination panel.
•
Check/replace the ribbon cable from the
controller to the modules.
•
Check the voltage settings on the power
supplies.
•
Verify proper use of the software in the V1500
Controller manual (
ED13530 ).
•
Replace the controller.
•
(For direct displays) Check the signal cable to
the controller using the loopback test.
Temperature always reads –196F/-127C
degrees F/ C
•
Check temperature sensor connections.
•
Replace the temperature sensor.
•
Replace the controller.
Display is stuck on bright or dim.
•
Check Manual/Auto dimming in Venus 1500
software.
•
Check light detector cable.
•
Check the address on the Light Sensor.
•
Check light detector for obstructions.
•
Replace the light detector.
•
Replace the controller.