Maintenance and Troubleshooting
44
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 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.
Replace the ribbon cable.
One row of modules does not
work or is garbled.
Replace first module.
Replace ribbon cable to first module.
Check for bent pins on module and
controller
Replace controller.
Check the fuses in the power termination
box.
A group of modules, (a column
of block) which share the same
power supply assembly, fail to
work.
Check the wire connections at the power
supply.
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/replace the ribbon cable from the
controller to the modules.
Check the voltage settings on the power
supplies.
Check/replace the signal cable to the
controller.
Replace the controller.
Verify proper use of the software in the
operation manual.
Temperature always reads
–
196F/-127C degrees F/0
degrees 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 light detector for obstructions.
Replace the light detector.
Replace the controller.
Summary of Contents for Galaxy AF-3165
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