How to troubleshoot sump pump?

Question

How to troubleshoot sump pump?

Learn how to troubleshoot your sump pump effectively with our step-by-step guide. Ensure your basement stays dry and protect your home from flooding.

Subject: Plumbing - Sub Subject: Sump pump troubleshooting
Date: 12/27/2023 Status: SOLVED
3 answered / 1 voted, viewed icon

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score 142 · Accepted Answer

How to Troubleshoot Sump Pump - A Comprehensive Guide

Having a properly functioning sump pump is crucial for keeping your basement dry and preventing water damage. However, like any mechanical device, sump pumps can encounter issues over time. In this comprehensive guide, we will walk you through the steps to troubleshoot your sump pump and resolve common problems.

Step 1: Check Power Supply

Begin by checking if the sump pump is receiving power. Make sure it is plugged in securely and that the outlet is functioning properly. If the outlet isn't working, try resetting the circuit breaker or replacing the blown fuse.

Step 2: Examine the Float Switch

The float switch is responsible for activating the sump pump when the water level rises. Ensure that the float switch is not obstructed and can move freely. Sometimes debris or the pump's own cord can get in the way, preventing the switch from working correctly.

Step 3: Inspect the Check Valve

The check valve prevents water from flowing back into the sump pit once it has been pumped out. Check if the check valve is properly installed and not stuck closed. A faulty check valve can cause water to recirculate within the sump pit, leading to excessive pump cycling.

Step 4: Clean the Pump and Discharge Pipe

A sump pump can become clogged with debris, hindering its performance. Disconnect the pump from the power supply and carefully remove any dirt, rocks, or other debris. Additionally, inspect the discharge pipe for any blockages or obstructions that might prevent the water from flowing freely.

Step 5: Test the Pump's Operation

After completing the previous steps, plug the sump pump back in and pour water into the sump pit to test its functionality. Observe if the pump turns on automatically and starts actively pumping water out of the pit. Make sure the pump doesn't make any unusual noises or vibrations during operation.

Step 6: Monitor the Water Level

Keep an eye on the water level in the sump pit during the pump's operation. If the pump starts and stops frequently without completely emptying the pit, it could indicate an undersized pump or an issue with the float switch adjustment. Consult the pump's manual or contact a professional in case further adjustments or pump replacement is required.

Step 7: Regular Maintenance

Prevention is always better than troubleshooting. To avoid major issues with your sump pump, establish a regular maintenance routine. Clear any debris from the pit regularly, ensure the float switch is functioning correctly, and periodically inspect the check valve. Flushing out the sump pit with water can also help remove accumulated sediment.

By following these troubleshooting steps and implementing regular maintenance, you can ensure your sump pump remains in optimal condition, effectively protecting your basement from potential water damage.

If you encounter persistent problems or are unsure about any troubleshooting step, it is highly recommended to contact a professional sump pump service provider for assistance.

How to troubleshoot sump pump?