Daktronics Galaxy AF-3080 Series, Руководство пользователя

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4.12 Troubleshooting
This sub-section contains some symptoms that you may encounter in the signs. 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 display board.
•
Replace the driver.
One or more LEDs on a single
module fail to turn off.
•
Replace/check cables on
module.
•
Replace display board.
•
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 cables on the
drivers.
•
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 on the first module
that is not working.
One row of modules does not work
or is distorted.
•
Replace/check cables from
driver to modules.
•
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 cabling to power supply.
•
Check cabling from power
supply to drivers.
•
Replace the power supply
assembly.
Entire sign fails to work.
•
Check for proper line voltage
into the power termination
panel.
•
Check the breakers to the
power termination panel.
•
Check/replace the signal cable
to the controller.
•
Check/replace the ribbon cable
from the controller to the driver.
•
Check the voltage settings on
the power supplies.
•
Replace the controller.
•
Verify proper use of the
software in the operation
manual (
ED-13348 ).
Temperature always reads 32ºF/
0ºC
•
Check temperature sensor
connections.
•
Replace the temperature
sensor.
•
Replace the controller.
Maintenance and Troubleshooting
4-13