Troubleshooting Guide: What to Do When Your Septic Pump Isn’t Working

Ram Babu
3 min readMay 27, 2023

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A septic pump plays a crucial role in maintaining the functionality of a septic system. It ensures the efficient removal of wastewater from your property, preventing backups and potential health hazards.

However, if your septic pump isn’t working properly, it can lead to a range of issues and inconveniences. In this article, we will explore common reasons why a septic pump may fail and provide you with a helpful troubleshooting guide to get it back on track.

Power Supply:

The first step in troubleshooting a septic pump is to check the power supply. Ensure that the pump is receiving power by examining the electrical connections, including fuses, circuit breakers, and any safety switches. A tripped breaker or a blown fuse could be the root cause of the problem. In such cases, reset the breaker or replace the fuse as necessary.

Float Switch Malfunction:

The float switch is a vital component of the septic pump that controls its operation based on the wastewater level in the tank. A malfunctioning float switch can prevent the pump from turning on or off when needed.

Inspect the float switch to ensure it moves freely without any obstruction. Clean the switch and check for any damage or corrosion. If the float switch is damaged, replacing it might be necessary.

Pump Clogging:

Septic pumps can become clogged over time, especially if solid waste, debris, or grease enters the pump chamber. A clogged pump can impede its functionality and cause it to stop working. To address this issue, disconnect the power supply and remove the pump for inspection.

Clean the pump and impeller thoroughly, removing any accumulated debris. Regular maintenance, including regular pumping of the septic tank, can help prevent clogs and extend the life of the pump.

Alarm System Activation:

Many septic systems are equipped with an alarm system that alerts you to potential issues, including pump failures. If you notice an alarm sounding or a warning light activated, it indicates a problem with the septic pump.

Check the alarm panel for any specific error codes or messages. These codes can provide valuable information about the underlying problem, which can help you troubleshoot or seek professional assistance more effectively.

Mechanical or Electrical Failures:

Septic pumps consist of various mechanical and electrical components that can experience failures due to wear and tear or other factors. If you’ve ruled out power supply issues, clogs, and float switch problems, it’s possible that the pump motor, impeller, or other internal components have malfunctioned. In such cases, it is advisable to contact a licensed septic professional who can diagnose the problem accurately and make the necessary repairs or replacements.

Conclusion:

A malfunctioning septic pump can lead to significant inconveniences and potential health hazards. By following this troubleshooting guide, you can identify and resolve common issues that cause septic pump failures. However, it’s important to note that septic systems are complex and delicate, and attempting repairs beyond basic troubleshooting may require professional expertise.

Regular maintenance, including periodic inspections and pump-outs, is essential to ensure the longevity and efficiency of your septic system. When in doubt, always consult a qualified septic professional to address any septic pump issues promptly and effectively.

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