/Hurricane-Consequences

Sump Pump Failure After a Storm: Repair or Replace?

Master sump pump repair with our expert guide. Uncover common causes, fix issues fast, and safeguard your basement from flooding.

Reviewed by Content Team

Head of Content, D. Gorenko

Updated June, 5

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How to Fix Non-working sump pump

 

Immediate Steps to Check Your Sump Pump

 
  • First, unplug the sump pump from its power source to ensure safety.
  • See if there is any standing water that may be causing interference. Remove any excess water carefully.
  • Inspect the pump’s power cord and plug for any signs of damage.
  • Check the circuit breaker or fuse box to ensure the pump’s electrical circuit is working properly.
  • Listen for unusual sounds that might indicate a mechanical fault.

 

Tools and Materials Needed

 
  • Screwdriver set and pliers for removing panels or clamps.
  • Adjustable wrench to tighten loose connections.
  • Flashlight to inspect dark areas around the sump pit.
  • Bucket and gloves to remove debris or water safely.
  • A multimeter to test electrical connections if you are comfortable doing so.
  • Replacement parts (such as a new float switch or impeller) based on the diagnosis.

 

Step-by-Step Diagnostic and Repair Process

 
  • Start by ensuring that the pump is completely dry and safe to handle. Remove any clogs or debris from the sump pit that might block the float or impeller.
  • Examine the float switch mechanism: it should move freely and not be hindered by dirt or obstruction. Clean or replace it if necessary.
  • Look at the impeller inside the pump housing. Remove any debris or hair that might be wrapped around, ensuring it spins freely.
  • Inspect the check valve on the discharge line. This valve prevents backflow and can sometimes stick. Clean or replace it if it’s not working properly.
  • If your pump uses a battery backup, check the battery connections and condition. Replace old or faulty batteries to maintain proper operation.
  • After all physical cleansing and inspections, plug the pump back in temporarily to test its operation. Watch and listen for smooth, recurring cycles of pump activity.

 

Can a Homeowner Fix It? When to Consider Calling a Professional

 
  • If the issue is a simple clog or debris buildup, most homeowners can safely fix it using the tools and steps above.
  • If you encounter electrical issues, such as a malfunctioning control board or suspect wiring problems, consider having a licensed electrician take a look.
  • If mechanical components such as the impeller, float switch, or valve appear to be worn out or damaged beyond simple cleaning, it is often best to call a professional plumber.
  • For those who are not comfortable working with electricity or water-related equipment, it is always safer to consult a trained professional to avoid hazards.
  • Hoffmann Brothers is a full-service provider for residential and commercial properties in St. Louis and Nashville; if your repairs seem too advanced, a local professional from these regions can offer reliable service.

 

Safety Warnings and Insurance Tips

 
  • Always unplug the pump before beginning any inspection or repair work to prevent electric shock or accidental activation.
  • Wear gloves and protective clothing when handling water and debris to avoid cuts, infections, or chemical exposures if cleaning agents are used.
  • If you are unsure about carrying out any repair, especially those involving electrical components, stop immediately and seek professional help.
  • Check your homeowner’s insurance policy to understand coverage for potential water-related damages. It may be helpful in case of a pump failure that results in water damage.
  • Keep a record of all repairs and maintenance performed. This documentation can be useful when filing insurance claims or for future troubleshooting.

What Could be Causing Non-working sump pump

 

Electrical Problems

 
  • Power outages or fluctuations can cause the pump to lose power unexpectedly.
  • Faulty or loose wiring may interrupt the electric current needed to start the pump.
  • Problems with the circuit breaker or a blown fuse might stop the pump from receiving proper power.

 

Float Switch Issues

 
  • The float switch is responsible for turning the pump on and off, and if it gets stuck or misaligned, the pump will not operate.
  • Accumulated dirt or debris can cause the float to fail, preventing it from sensing the water level accurately.

 

Mechanical Failures

 
  • The internal motor or impeller could become worn over time from constant use.
  • Wear and tear on moving parts may lead to breakdowns, and friction can eventually cause overheating.

 

Clogged or Frozen Discharge Line

 
  • Debris, sediments, and sometimes ice in cold weather can block the discharge line, stopping the water from flowing out.
  • A blocked line creates pressure, which might strain the pump components.

 

Check Valve Malfunctions

 
  • The check valve stops water from flowing back into the sump pit; if it fails, water may recirculate, causing the pump to work harder or not run at all.
  • Damage or clogging in this valve can lead to performance issues.

 

Age and Wear

 
  • Older sump pumps may have reduced efficiency and may be more prone to failure due to aging components.
  • Continuous use over many years can lead to degradation of seals and parts, leading to malfunction.

It is important to note that in St. Louis and Nashville, the natural wear, environmental factors, and local climate conditions can all contribute to the types of problems outlined above.

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