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Nov . 10, 2024 11:59 Back to list

Troubleshooting Issues with Your Submersible Sump Pump That Is Not Functioning Properly

Troubleshooting Your Submersible Sump Pump Common Issues and Solutions


A submersible sump pump is an essential device for homeowners, particularly in areas prone to flooding or excessive rainfall. It effectively removes accumulated water from basements and crawl spaces, helping to prevent water damage and mold growth. However, like any mechanical device, submersible sump pumps can sometimes malfunction. If you find yourself in a situation where your sump pump is not working, here are some common issues and solutions to help you troubleshoot the problem.


1. Power Supply Problems


The first step in diagnosing a non-working sump pump is to check the power supply. Ensure that the pump is plugged in and that the power outlet is functioning. You can test the outlet by plugging in another electrical device. If the outlet is not receiving power, you may need to reset a tripped circuit breaker or replace a blown fuse. Additionally, check any extension cords or connections for damage.


2. Float Switch Malfunction


Most submersible sump pumps operate with a float switch that triggers the pump to turn on when water reaches a certain level. If your pump is not working, the float switch might be stuck or malfunctioning. Inspect the float to ensure it moves freely and is not obstructed by debris or residue. If the switch is damaged, it may need to be replaced.


3. Clogged Impeller


Over time, debris can accumulate in the pump, leading to a clogged impeller. If you hear the pump motor running but the pump isn’t moving water, a clogged impeller could be the cause. To fix this, turn off the power to the pump and remove it from the sump pit. Clean the impeller of any debris, and ensure the inlet screen is clear as well before reassembling the pump.


4. Defective Motor

Another potential issue could be a defective motor. If the pump hums but does not activate, it may indicate that the motor is burned out. In this case, replacing the motor is often the best solution, though it might be more cost-effective to purchase a new pump, especially if the existing unit is older.


submersible sump pump not working

submersible sump pump not working

5. Check Valve Problems


The check valve is designed to prevent the backflow of water into the sump pit after the pump has turned off. If you notice that the sump pit fills up quickly after the pump has stopped, the check valve might be faulty. Inspect the valve for signs of wear or damage, and replace it if necessary.


6. Frozen Discharge Pipe


In colder climates, it’s possible for the discharge pipe to freeze, preventing water from being expelled from the sump pump effectively. If you suspect this issue, try to locate the frozen section and thaw it using a space heater or hot water. Insulating the discharge pipe in the future can help prevent this problem from recurring.


7. Improperly Installed Sump Pump


If your sump pump has been recently installed and is not functioning correctly, it may have been improperly installed. Ensure that the pump is located at the right depth and that all plumbing connections are secure. Check that the pump is positioned upright and that there are no air leaks in the drainage line.


8. Regular Maintenance


Lastly, to prevent your sump pump from failing in the future, regular maintenance is crucial. This includes checking and cleaning the pump, inspecting the float switch, and ensuring that the sump pit is free of debris. Performing these checks periodically can help extend the life of your sump pump and ensure it operates efficiently when needed.


Conclusion


A non-working submersible sump pump can lead to significant water damage if not addressed promptly. By understanding the common issues that can cause your sump pump to malfunction, you will be better equipped to troubleshoot the problem. In cases where the issue seems beyond your expertise, do not hesitate to call a professional plumber for assistance. Regular maintenance and timely repairs are key to keeping your home dry and safe from water damage.




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