OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Seconds are jumping back › Reply To: Seconds are jumping back April 19, 2015 at 9:17 pm #36912 RayKeymaster This is likely an issue with the real-time clock or its battery. You should check if the CR1220 battery is installed correctly, and check if it has sufficient voltage (at least 2.7V or above).
