6.14.4 Status LED

  • ORANGE: Busy programming
  • ORANGE/RED blinking: Upgrade mode
  • RED: No board detected
  • GREEN: READY
  • ORANGE blinking: Wrong combination of routing and socket card
  • RED blinking: VTarget or AREF short-circuited
  • RED blinking high frequency: Too much current drawn from the power supply. If powered from USB, try to connect an external supply to the DC jack.

During programming, the LED has an orange color. When the target AVR device is successfully programmed, the LED will turn green.