I followed all of the directions on the card, but the directions are for plugging the field link directly into the ESC lead, not into the quick connect. With the battery plugged in and the ESC on I checked the voltage with a multimeter and the quick connect lead reads 0V.

The field programmer requires power from the battery but the quick connect lead has no voltage across it. When you use the quick connect lead on your PC the USB port powers the ESC for programming. Im wondering if there is a diode in the castle link quick connect preventing voltage from the BEC being sent to the field programmer.

Note: I have updated the software on my filed programmer card as well.