In most cases it’s the motor that failed which can be either electrical, mechanical or a mechanical that turned into an electrical issue.
This is an obvious one, if the power goes out, your pump stops working. This is exactly why our plumbers recommend a battery back up!
Like having a car out in your yard without using it regularly, your sump pump is also required to start up every couple of months even if not using it to make sure it is still functioning properly and test all the lines. Make sure the pumps float has not been obstructed.
Incorrect installation or wrong size
Having the wrong size means it has to work even harder to produce the proper function, which means it can also burn out quickly. It may also not be able to produce enough water if it’s too small. Having it installed correctly seems like another obvious one, but manufacturers require different things, and your home makes it unique too. Make sure you go with a qualified and licensed plumber like John the Plumber to ensure you have the right pump for your home and have it installed correctly.
Lightening may have hit nearby and overloaded the powerlines. A good submergible motor would have a built in arrestor so it can handle a voltage overload multiple times.
Debris can be an easy culprit, but so can frozen pipes. If water cannot discharge, your system will not work! We can offer a few solutions to prevent this, ask us how!