Daktronics AF-3050-20-R,A - Manual (Page 28)

4.9 Troubleshooting
This sub-section contains some symptoms that may be encountered 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 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 sign is not working. The
section extends all the way to the right side
of the sign. · Check/Replace the ribbon cable.
· 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. · Check/Replace the ribbon cable.
· Replace first module.
· Replace controller.
· Check the fuses in the power termination box.
A group of modules, which share the same
power supply assembly, fail to work. · Replace the power supply assembly.
Entire sign fails to work. · Check for proper line voltage into the power
termination panel.
· Check/replace the signal cable to the controller.
· Check/replace the ribbon cable from the controller
to the modules.
· Check the voltage settings on the power supplies.
· Replace the controller.
· Verify proper use of the software in the operation
manual.
Temperature always reads 32 degrees F/0
degrees C. · 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.
· Check light detector for obstructions.
· Replace the light detector.
· Replace the controller.
4.10 Initial Operation Information
When first operated, the sign will run through an initialization in which it will display the following:
1. Output
Test (DDDs)
2. Product Name (Galaxy)
3. Sign Size (Row x Column)
4. Firmware Number (ED10134)
5. Firmware Revision (Rev X.XX)
6. COM1
Configuration (C1:
V15/RTD)
7. COM2 Configuration (C2: None)
8. Line Frequency (60 Hz)
9. Hardware Address (HW: XX)
10. Software Address (SW: XX)
11. Sign Name
12. Modem if Present (Modem)
Maintenance and Troubleshooting 4-8