OpenSprinkler › Forums › Hardware Questions › OpenSprinkler › Troubleshooting help: One valve doesn't trigger the first time › Reply To: Troubleshooting help: One valve doesn't trigger the first time May 17, 2018 at 7:19 am #50027 RayKeymaster Also it would help if you specify which version of OpenSprinkler you have. In particular, the AC-powered and DC-powered OpenSprinklers use different circuits and valves may respond differently to the two versions.
