When taken out of the box, the Hunter ST-1600 Rotor will be able to make a complete 180-degree sweep in 80 seconds at 90 PSI (6.2 bar; 620 kPa). In this

If your controller is showing a message indicating that the sensor is active even thought it has not rained or if the sensor is not shutting down the

If your wireless sensor is not shutting down irrigation when it rains or if the Sensor Status LED on the receiver continues to be red after the sensor