Troubleshooting Guide: When Your Septic Pump Stops Working

Ram Babu
3 min readMay 27, 2023

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Septic systems play a crucial role in managing wastewater in areas without access to centralized sewage systems. Within these systems, septic pumps play a vital role in transporting effluent from the septic tank to the drain field.

However, like any mechanical device, septic pumps can sometimes malfunction, causing disruptions in the overall functioning of the septic system. In this article, we will explore common reasons why septic pumps stop working and provide troubleshooting steps to help you address the issue.

Power Supply Issues:

One of the first things to check when your septic pump stops working is the power supply. Ensure that the pump is properly connected to a reliable power source and that the circuit breaker or fuse is not tripped.

Additionally, verify that there are no power outages in your area that could affect the functionality of the pump. If you find any power-related issues, address them accordingly before moving on to other troubleshooting steps.

Float Switch Malfunction:

Septic pumps often utilize float switches to detect the liquid level in the septic tank. These switches activate the pump when the liquid reaches a specific level.

If the float switch malfunctions, the pump may fail to turn on or off at the appropriate times. Inspect the float switch for any damage or obstructions that could interfere with its proper operation. Clean or replace the float switch if necessary, following the manufacturer’s instructions.

Clogged Pump or Discharge Line:

Over time, septic pumps and their discharge lines can become clogged with solid waste, debris, or grease. A clog can impede the flow of effluent, leading to the pump’s failure.

If your septic pump not working, it’s essential to inspect the pump and the discharge line for any blockages. Carefully remove any debris or buildup using appropriate tools or consider hiring a professional septic service provider to perform the cleaning.

Mechanical or Electrical Failure:

Mechanical and electrical failures can occur within the septic pump itself, leading to its malfunction. Inspect the pump for any signs of damage, such as worn-out components, loose connections, or burnt-out motors.

If you notice any visible issues, it may be necessary to repair or replace the faulty parts. It is recommended to seek assistance from a qualified septic professional who can diagnose the problem accurately and perform the necessary repairs.

High Water Table or Hydraulic Overload:

In some cases, septic pumps may stop working due to a high water table or hydraulic overload. This situation arises when excessive water enters the septic tank, overwhelming the pump’s capacity.

If you suspect a high water table, contact a septic professional to evaluate the system and determine if additional measures, such as a larger pump or modifications to the drain field, are necessary.

Conclusion:

A malfunctioning septic pump can disrupt the proper functioning of your septic system, leading to potential issues such as sewage backups or system failure. By troubleshooting common problems like power supply issues, float switch malfunctions, clogs, mechanical or electrical failures, and hydraulic overloads, you can identify and resolve the cause of the septic pump’s failure.

However, it is important to note that septic systems are complex and dealing with them requires expertise. If you are unsure or uncomfortable with the troubleshooting steps, it is advisable to seek the assistance of a professional septic service provider to avoid further complications and ensure the efficient operation of your septic system.

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