Daktronics AB-1600-1.5,2.5 - Manual (Page 57)

Maintenance & Troubleshooting
4-21
Receiver Board DS1-DS8 LEDs WITHOUT Fan Control Expander Board
LED
Function
DS1 ON if fan controller number 1 reports all fans good
DS2 ON if fan controller number 2 reports all fans good
DS3 ON if fan controller number 3 reports all fans good
DS4 ON if fan controller number 4 reports all fans good
DS5 ON if fan controller number 5 reports all fans good
DS6 ON if fan controller number 6 reports all fans good
DS7 ON if fan controller number 7 reports all fans good
DS8 ON if fan controller number 8 reports all fans good
Receiver Board DS1-DS8 LEDs WITH Fan Control Expander Board
LED
Function
DS1 & DS2 ON if fan controller expander board input J2 reports all fan
controllers good.
DS3 & DS4 ON if fan controller expander board input J3 reports all fan
controllers good.
DS5 & DS6 ON if fan controller expander board input J4 reports all fan
controllers good.
DS7 & DS8 ON if fan controller expander board input J5 reports all fan
controllers good.
Receiver Board DS10-DS19 LED Block
LED
Function
DS10 N.C.
DS11
Processor Initialization Complete
DS12 EPLD Configuration Complete
DS13 Test Mode
DS14 Taxi Command Received (Will Flash with Data Received)
DS15 Sign is Blank
DS16 Sign Forced Blank – Signal Loss or Fan Failure
DS17 On=Fans On, Blinking=Fan Failure, Off=Fans Off
DS18 Heartbeat
DS19 N.C.
Receiver Board Miscellaneous LEDs and Jumpers
DS9
Power LED should be ON
DS20 Violation LED – If ON indicates a problem with signal
format or configuration
W1 Jumper – Test Pattern, Bottom=ON / Top=OFF
W2 Jumper – Fan Sensing, Top=Enable / Bottom=Disable
Output Card Connectors
Connector
Function
J2, J3, J6, J7 Data 1 Output – All connectors XMIT same data
J4, J5, J8, J9 Data 2 Output – All connectors XMIT same data
Output Card DS1-DS4 Indicator LEDs
LED
Function
DS1 Should blink when data is received from Venus 7000
DS2 Should blink when data is received from Venus 7000