Daktronics LED Aquatics/Track Displays SW-2000 Series 10 Numeric Digit - Manual (Page 29)

Maintenance and Troubleshooting 23
4.6 Troubleshooting
This section lists some symptoms and problems that may be encountered with
scoreboard operation. For these symptoms, possible cause and corrective actions are
indicated. This list does not include every possible problem, but it does represent
some of the more common situations that may occur.
Symptom/Condition Possible Cause
Scoreboard will not light  Console not connected or poor connection
 No power to control console
 No power to the scoreboard
 Driver fuse blown
 Main fuse blown
Garbled display  Internal driver logic malfunction
 Control console malfunction
Digit will not light  Black wire to digit broken
 Poor contact at driver connection
 Driver malfunction
Segment will not light  Broken LED or connection
 Driver shift register failure
 Broken wire between lamp driver and digit
 Poor contact at driver connector
Segment stays lit  Driver shift register failure
 Short circuit on digit
Date appears in the wrong
place on the display
 Incorrect address settings on drivers
(consult tables and set correct addresses)
4.7 Replacement Parts List
To prevent loss due to theft, Daktronics recommends purchasing a lockable cabinet
to store manuals and replacement or spare parts. Refer to the appropriate
supplementary manual for a complete list of replacement parts.
Description Part Number
Load center 0A-1153-0177
Power/signal plate, 120 V 0A-1153-0105
Power/signal plate, 230 V 0A-1153-0106
Address Protocol Plug Set 0A-1153-0187
Horn; 120 V AC 60Hz LS1 0A-1152-0332