Daktronics AF-3197-89-RGB - Manual (Page 52)

Four diagnostic LEDs are located on the controller; the table below shows what each
LED denotes:
CPU
LED Color Function Operation
DS1 Red CAN TxD Flashes when controller is transmitting CAN
information.
DS2 Red CAN RxD Flashes when controller is receiving CAN
information.
DS3 Red System Reset Off when controller is functioning properly.
Flashes at 1.5-second rate if the watchdog
timer is not being reset by controller.
DS4 Red Run A steady flash indicates the controller is
running properly. Normal flash rate is about
once per second.
DS5 Red U15
Programmed
On when U15 contains a valid logic program.
DS7 Red Link On when Ethernet interface is in the link-up
condition. Flashes when the Ethernet chip
detects, transmits, or receives activity.
DS8 Red Speed On when the Ethernet interface is at 100Mbps.
Off when the Ethernet interface is 10Mbps.
DS9 Red Duplex On when the Ethernet interface is at full duplex.
Off when the Ethernet interface detects a
collision in half-duplex.
DS10 Red Collision Flashes when the Ethernet interface detects a
collision in half-duplex.
DS12 Red +2.5V On when +2.5V power supply is functioning.
DS13 Red +3.3V On when +3.3V power supply is functioning.
Product Board
DS1 Green +5V On when +5V power supply is functioning.
DS2 Green +3.3V On when +3.3V power supply is functioning.
DS3 Yellow COM1 TxD Flashes when transmitting serial information.
DS4 Yellow COM1 RxD Flashes when receiving serial information.
Temperature/Light Sensor
DS1 Green +5V On when +5V power supply is functioning.
DS2 Red Run A steady flash indicates the controller is
running correctly. Normal flash rate is about
once a second. Flashes faster when the sensor
is transmitting temperature or light information.
Maintenance and Troubleshooting 4-8