Daktronics BB-2140 Transparent Shot Clock - Manual (Page 20)

14 Scoreboard Troubleshooting
When troubleshooting driver problems, three LEDs labeled DS1, DS2, and DS3, provide the
following diagnostic information:
LED Color Function Operation Summary
DS1 Green Power Steady on DS1 will be on and steady to
indicate the driver has power.
DS2 Amber Status Blinking DS2 will be blinking at one second
intervals to indicate the driver is
running (not available on 4-column
LED driver).
DS3 Red Signal RX Steady on
or blinking DS3 will be on or blinking when the
driver is receiving a signal and off
when there is no signal.
Note: While it is necessary to have the scoreboard powered on to check the LED driver
status indicators, always disconnect scoreboard power before servicing.
Figure 6: Driver Status Indicators