Sump Pump Problems

Most people don't think about their sump pumps and take it for granted that it is working properly. Some people may not even know they have a sump pump until it fails and to their surprise their basement starts filling with water. Let's look at the various reasons and problems that can cause a sump pump to fail.

Electrical Outages

The most common problem that can cause a sump pump to fail is an electrical outage. The electrical outage usually happens during a storm when the sump pump is needed most, so the results can be devastating. There are two ways that you can use to safeguard against this situation: use a backup generator, or a backup sump pump. The backup generator can be used to supply power to the sump pump doing outages. A backup sump pump will work without power by using a battery ( battery backup sump pump) or the municipal water supply (water powered sump pump).

Incorrectly Sized Sump Pump

When the incorrect sized pump has been installed, problems can be encountered. If the sump pump is too big, the pump will cycle on and off to fast resulting in a short life span. And a sump pump that is too small will have to work harder to pump out the water and this again will shorten the life span of the pump. Choosing the right size pump will greatly reduce the chance of premature failure of the unit.

Incorrect Installation

The installation of a sump pump can cause problems if not done right. If the sump pit is not installed properly debris can get into the pit and either clog the sump pump or interfer with the pumps float arm. Another problem is when the sump pit or sump pump settles, which can put stress on the outlet pipe and can lead to failure of the outlet pipe.

Switch Failure

The main mechanical problem that can cause a sump pump problems is switch failure. This usually occurs when the sump pump shifts in the sump pit to the point where the floart no longer works. Since the float activates the on/off switch, this renders the sump pump useless. Routine checks of the sump pit can catch this problem before flooding occurs.

Note: For information on diagnosing and repair sump pump problems, take a look at our Sump Pump Diagnostic and Repair Guide.