OpenSprinkler › Forums › Hardware Questions › Blank screen › Reply To: Blank screen February 17, 2018 at 5:37 pm #48948 RayKeymaster First think to try is to remove 24VAC terminal block, and instead use a USB cable connected to a USB power adapter (or your computer’s USB port) to power the controller and see if it display anything. If not, please submit a support ticket about it.
