OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Brand new OSPi not turning off zones › Reply To: Brand new OSPi not turning off zones
May 3, 2025 at 5:52 pm
#82152
Ray
Keymaster
The most common cause for this symptom is using a power adapter that outputs DC instead of AC. You should check the label of the power adapter, does it have a flat line after ’24V’. If so that’s a DC power adapter.