A sump pump usually will not turn on because it has lost power, the float switch is stuck, the switch has failed, or the motor has burned out. Sometimes the water in the pit is simply not high enough to trigger it yet.
Power Problems
Start with the simplest cause. The pump may be unplugged, or a breaker or GFCI outlet may have tripped. Only check these if the floor around the pump is dry. If the breaker trips again after you reset it, leave it off. That can mean a problem with the pump or the wiring.
A Stuck Float Switch
The float rises with the water and tells the pump to start. If it gets caught on the side of the pit, on the pump’s cord, or on debris, it cannot rise. The pump will sit idle even as water fills the pit. From a dry spot, look to see if the float is free to move.
A Failed Switch or Motor
Switches wear out with use. A pump that is several years old may have a switch that no longer works. The motor can also burn out, especially if the pump ran dry or ran nonstop during a storm. A humming pump that does not start may have a motor or impeller problem.
Water Level Is Too Low
Some pumps are set to turn on only when water reaches a certain height. If the pit has a little water but the pump does not run, it may be working as designed. Watch to see if it turns on as the water rises.
If water is rising and the pump will not start, move valuables off the floor and keep away from any water near cords or outlets. A plumber can find out why the pump is not running and get it working again.
If your sump pump will not turn on, call JPR Plumbing at (833) 603-1840. Once it is running, a once-a-year check of floor drains and pipes can help you stay ready for heavy rain.