Why does my sump pump keep cycling?

In most cases, rapid cycling is a symptom of a fault in your pump’s float switch—a device which floats on the surface of the water in your sump basin and then turns your pump on when the water reaches a particular level. In many cases, replacing your float switch will actually solve the short-cycling problem.Click to see full answer. Also to know is, why does my sump pump keep turning on and off?As the water drops, the float switch lowers again, turning the switch off. The most common cause of a sump pump system running continuously is when the sump pump float switch is stuck on the “on” position in your sump pit. Alternatively, debris in the sump liner jams the float switch in an “on” position.Subsequently, question is, what do I do if my sump pump keeps running? If your sump pump runs non-stop and there’s no water… Unplug the sump pump. Most sump pumps are plugged into a nearby outlet. Clear the sump pit. Make sure the float moves up and down freely. Move the sump pump to the center of the pit. Plug the sump pump back in to see if it still runs constantly. Similarly one may ask, how long should a sump pump run per cycle? 10-15 seconds Why does my sump pump runs every two minutes? Periodic Heavy Moisture Periods Can Happen If your sump pump is running every minute but you have also been experiencing high levels of rainfall or other moisture, then the problem may just go away on its own. Record rainfall for example in your area may cause your sump pump to run frequently.