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Sep . 19, 2024 04:59 Back to list

submersible sump pump not working

Troubleshooting a Submersible Sump Pump That Is Not Working


A submersible sump pump is an essential device for homeowners in areas prone to flooding or excessive groundwater. It sits in a sump pit, pumping out water to prevent flooding in basements and crawl spaces. If your submersible sump pump is not working, it can lead to significant water damage and costly repairs. Below, we explore common reasons why your pump may be failing and steps you can take to troubleshoot the issue.


1. Power Problems


The first step in troubleshooting a non-working submersible sump pump is to check the power supply. Verify that the pump is plugged in and that the outlet is functioning properly. You can do this by plugging another appliance into the same outlet to see if it works. Additionally, check your circuit breaker or fuse box to ensure that the circuit hasn’t tripped or blown. If there’s an issue here, restoring power will likely resolve the problem.


2. Float Switch Malfunction


The float switch is a crucial component responsible for turning the pump on and off depending on the water level in the sump pit. If the float switch gets stuck due to debris or sediment buildup, or if it’s damaged, the pump won't engage. To troubleshoot, remove the pump from the pit and inspect the float mechanism. Make sure it moves freely and isn't obstructed. Clean any debris and ensure that it can move up and down without restriction.


3. Clogged Discharge Pipe


submersible sump pump not working

submersible sump pump not working

Over time, the discharge pipe can become clogged with debris, dirt, or sediment, preventing water from properly exiting the sump pit. If you notice your pump is running but there’s little to no water being expelled, check the discharge pipe for blockages. You may need to disconnect the pipe and clean it out. Additionally, inspect the check valve, which allows water to flow in one direction but can sometimes fail, causing water to flow back into the pit.


4. Impeller Issues


The impeller, found inside the pump, is responsible for moving water out of the sump pit. If it becomes jammed with debris, the pump will be unable to function. Turn off the power and remove the pump from the pit to inspect the impeller. Clear any blockages or debris and ensure that the impeller spins freely. If it’s damaged, replacement may be necessary.


5. Pump Failure


If you’ve checked all the mechanical components and the pump still isn’t working, it may be that the pump itself has reached the end of its lifespan. Most submersible sump pumps last around 5 to 10 years, but frequent use or lack of maintenance can shorten their lifespan. If repair isn’t feasible or the pump is considerably old, consider investing in a new unit.


Conclusion


A non-working submersible sump pump can be a source of stress, especially during heavy rainfall or flooding. By following these troubleshooting steps, you can identify and resolve common issues to restore your sump pump’s functionality. Regular maintenance, such as cleaning the sump pit and checking the float switch, can help prevent problems in the future, ensuring your home remains safe and dry. If you’re unable to resolve the issue, consulting a professional plumber is always a wise choice.




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