Daktronics TI-2002 Portable LED Timer - Manual (Page 13)

Scoreboard Troubleshooting 7
IMPORTANT NOTES :
1. Disconnect power before doing any repair work on the scoreboard.
2. Allow only qualified service personnel access to internal display electronics.
3. Disconnect power when not using the scoreboard.
Troubleshooting Table
The table below lists potential problems with the scoreboard and indicates possible causes
and corrective actions. This list does not include every symptom that may be encountered,
but it does present several of the most common situations that may occur. Many of the
solutions offered below provide references to other sections within this manual or to
supplemental product manuals with further detail on how to fix the problem.
If a problem occurs that is not listed or that cannot be resolved using the solutions in the
following table, contact Daktronics using the information provided in Section 0.
Problem Possible Cause Solution/Items to Check
Scoreboard doesn’t light
and console doesn’t work
No power to the scoreboard
Check that the main circuit breaker
for the scoreboard is on.
Check that the scoreboard is
receiving 120 (or 230) V AC power.
No power to console
Ensure the console is plugged into a
120 (or 230) V AC power supply.
Swap the console with one known to
work correctly, and enter the proper
sport code to test. Replace console
if necessary.
Scoreboard digits don’t light,
but console works
No wired signal from console
Check that the scoreboard is
receiving 120 (or 230) V AC power.
Check that the red DS2 LED on the
driver lights up when sending
commands from the control console
(see Section 3.4).
No signal to driver
Check that the scoreboard is
receiving 120 (or 230) V AC power.
Check that the red DS2 LED on the
driver lights up when sending
commands from the control console
(see Section 3.4).
Swap the driver with one known to
work correctly and with the same
part number to verify the problem.
Replace if necessary (see Section
3.4).