Daktronics BA-1518 - Manual (Page 40)

Numeric Scoreboard
Maintenance and Troubleshooting 8-5
8.9 Troubleshooting
This section lists potential problems with the scoreboard and indicates possible causes and corrective
actions. This list does not include every possible problem, but does represent some of the more
common situations that may occur. Refer to Section 9.13 for a list of potential problems with Team
Name Message Centers.
Important: When the lamp drivers are replaced, plugs P25 and P26 (if present) must be removed
from the old driver and plugged into the new driver.
Symptom/Condition Possible Cause or Corrective Action
Scoreboard will not light · Console not connected or poor connection
· No power to the control console
· No power to the scoreboard
· Bad relay or poor relay connection in signal circuit
· Driver logic fuse (F17) blown
· P17, P19 or P20 unplugged
Half of the scoreboard will not light · Circuit breaker tripped at service panel
· Driver malfunction
· Poor signal contact at main power connection
Garbled display · Control console malfunction
· Internal lamp driver malfunction
Digit will not light · Fuse blown in driver
· Black wire to the digit damaged
· Poor contact at driver connector
Segment will not light · Lamps burned out
· Driver malfunction (bad triac)
· Broken wire between lamp driver and digit
· Poor contact at driver connector
Segment stays lit · Driver malfunction (bad triac)
· Segment neutral wire touching case