OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › OSPi no grren LED? › Re: Re: OSPi no grren LED? September 26, 2013 at 10:58 pm #25564 PeteParticipant I checked the connections on the LM2596, and re-soldered just in case, but no change. I’ve contacted OpenLab, and they’ve said they will sort something out. Many thanks for your help.