Daktronics AF-3165-34-RGB - Manual (Page 41)

Maintenance and Troubleshooting 37
Four diagnostic LEDs are located on the controller; the table below tells 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 U7 contains a valid logic
program
DS6 Red U7 Programmed On when U7 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 at 10Mbps.
DS9 Red Duplex On when the Ethernet interface is at full
duplex. Off when the Ethernet interface
is at half-duplex.
DS10 Red Collision Flashes when the Ethernet interface
detects a collision in half-duplex.
DS11 Red +5V On when +5V power supply is
functioning.
DS12 Red +3.3V On when +3.3V power supply is
functioning.
DS13 Red +2.5V On when +2.5V power supply is
functioning.
Product
Board
LED Color Function Operation
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.
Temp/Light
Sensor
LED Color Function Operation
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 temp or
light information.