
Sump Pump Not Working? Easy Fixes and Pro Tips
A sump pump not working can turn the next heavy rain into a flooded basement. Strange noises, nonstop cycling, standing water, or a pump that stays silent may signal trouble before water damage starts.
Some problems have simple fixes. Others need professional sump pump troubleshooting before another storm puts your basement at risk.
This guide covers eight warning signs, practical ways to fix a sump pump, common failure causes, maintenance, and when professional help makes sense.
For extra protection against basement flooding, check out My Georgia Plumber’s sump pump and drainage solutions throughout Canton and North Metro Atlanta.
Need help fast? Contact My Georgia Plumber today for expert sump pump repair and peace of mind before the next storm hits.
Quick Troubleshooting Steps
When your sump pump won’t turn on, check these common causes before calling a professional:
Check the power supply, circuit breaker, float switch, intake, discharge pipe, and check valve. Test the pump with water. If it hums without pumping or repeatedly trips the breaker, call a plumber.
- Check power. Confirm the pump is plugged in and inspect the GFCI outlet and circuit breaker.
- Inspect the float switch. Make sure it moves freely and activates the pump when lifted.
- Clear the pit and intake. Disconnect power before removing mud, gravel, or debris.
- Check the impeller. A blockage may cause the sump pump to run but move no water.
- Inspect the discharge pipe and check valve. Look for clogs, damage, or water flowing back into the pit.
- Test the pump. Slowly pour water into the pit and confirm that it starts and drains properly.
- Reset carefully. Unplug the pump briefly, then reconnect it. Do not repeatedly reset a pump that trips the breaker.
For model-specific guidance, review the manufacturer’s manual or see Zoeller’s sump pump troubleshooting resources.
When to Call a Plumber
Stop troubleshooting if you notice burning smells, exposed wiring, repeated breaker trips, severe noise, or no response despite power. My Georgia Plumber provides sump pump repair and 24/7 emergency plumbing throughout Canton and North Metro Atlanta.
Common Causes of Sump Pump Failure
Early warning signs can help prevent basement flooding and costly emergency repairs.
| Warning Sign | Likely Cause | Fix |
| Pump will not start | Power or breaker issue | Check outlet and breaker |
| Runs but moves no water | Clogged intake or damaged impeller | Clear debris or inspect pump |
| Runs continuously | Stuck float switch | Free the float |
| Water remains in pit | Blocked discharge pipe | Clear the pipe |
| Water flows back | Failed check valve | Replace the valve |
| Grinding or rattling | Internal damage | Inspect or replace pump |
| Struggles during storms | Aging or undersized system | Consider backup or replacement |
Common Problems
- Power outages: Consider a battery backup.
- Stuck float: Remove debris and ensure the float moves freely. Never reach into a powered pit.
- Blocked discharge pipe: Clear debris, sediment, or ice.
- Damaged impeller: Persistent noise or poor drainage may require professional inspection.
DIY vs. Professional Repair
Some homeowners can fix a sump pump when the problem involves a simple obstruction, power connection, or stuck float. Internal electrical or mechanical failures require more caution.
| Repair Option | Best For | Main Advantage | Main Risk |
| DIY repair | Debris, basic testing, stuck float | Lower immediate cost | Misdiagnosis or electrical hazards |
| Professional repair | Motor, wiring, repeated failure, drainage problems | Accurate diagnosis and repair | Higher upfront cost |
When DIY Troubleshooting Makes Sense
Basic maintenance and inspection are reasonable when conditions remain safe. You can:
- Test the outlet and circuit breaker
- Check whether the float moves freely
- Remove accessible debris after disconnecting power
- Test operation by adding water to the sump pit
- Inspect visible portions of the discharge pipe
A repair video can help you understand the system before working around it. Watch this sump pump installation and troubleshooting video from This Old House for a professional overview of sump pump components and setup.
When to Call a Professional Plumber
Contact a professional plumber if the pump repeatedly trips its breaker, smells burned, leaks, makes severe grinding noises, or receives power without operating.
Professional help also makes sense when a sump pump keeps running, cannot handle incoming water, or repeatedly fails during storms. These symptoms may point to an undersized pump, electrical failure, drainage problem, or worn internal components.
My Georgia Plumber offers same-day service and 24/7 emergency plumbing across Canton and North Metro Atlanta. A licensed technician can diagnose the entire system and recommend repair or replacement without pushing services you do not need.
Preventive Maintenance Tips
Regular sump pump maintenance helps catch small problems before heavy rain tests your system. A simple routine can also extend pump life and reduce unexpected basement flooding.
Sump Pump Maintenance Checklist
- Test every few months. Pour water into the pit until the float rises. Confirm that the pump starts, removes water, and shuts off normally.
- Clean the sump pit. Remove dirt, gravel, and sediment that could block the intake or impeller. Always disconnect power first.
- Inspect the float switch. Make sure it moves freely without hitting pipes, cords, or the basin wall.
- Check the discharge pipe. Look for leaks, clogs, loose fittings, and outdoor obstructions.
- Inspect the check valve. Confirm discharged water does not immediately flow back into the pit.
- Test your battery backup. Replace aging batteries according to manufacturer recommendations.
- Listen for unusual sounds. Grinding, rattling, or excessive vibration can signal developing mechanical problems.
For additional manufacturer guidance, review this sump pump maintenance guide from Zoeller.
Don’t Forget the Weep Hole
Some sump pump systems use a small weep hole, also called an air-relief hole, in the discharge piping. It helps prevent trapped air from stopping the pump from moving water.
Check this opening during routine maintenance if your system requires one. Follow manufacturer specifications for its location and size rather than drilling a hole without guidance.
A yearly professional inspection adds another layer of protection, especially before periods of heavy rain. My Georgia Plumber can inspect sump pumps, backup systems, and drainage components throughout Canton and North Metro Atlanta.
Insurance and Replacement Info
Standard homeowners insurance usually does not cover the sump pump itself when it fails because of age, wear, or poor maintenance. Water damage caused by sump pump failure may also be excluded unless your policy includes water backup or sump overflow coverage.
Coverage varies by insurer and policy. Review your limits, deductibles, and exclusions before a storm instead of waiting until basement flooding occurs. For additional information, learn about sump pump failure and insurance coverage from Farm Bureau Financial Services.
When Should You Replace a Sump Pump?
Replacement may make more sense when your pump:
- Requires frequent repairs
- Cannot keep up during heavy rainfall
- Runs constantly despite troubleshooting
- Shows significant corrosion or motor damage
- Has reached the end of its expected service life
Age alone should not decide replacement. Pump quality, usage, maintenance, water volume, and operating conditions all affect lifespan.
For homeowners in Canton and North Metro Atlanta, My Georgia Plumber can evaluate an unreliable system and explain whether sump pump repair or replacement offers better long-term value.
Localized Tips for Cold Climates & High Water Tables
Local conditions can change how hard your sump pump works. Adjust your maintenance routine around climate, soil, and groundwater levels.
Cold Climates
Freezing temperatures can block an exposed discharge pipe and force water back toward the sump pit. Keep exterior lines properly positioned, inspect them for ice, and follow local freeze-protection practices.
High Water Tables
Homes with a high water table may need more frequent pump testing because groundwater can enter the pit regularly. Heavy workloads also make a battery backup or secondary pump especially valuable.
In North Metro Atlanta, periods of intense rainfall can quickly increase groundwater around foundations. Test your sump pump before major storms, not during them.
FAQ
Does insurance cover sump pump failure?
Standard homeowners insurance may exclude water damage caused by sump pump failure. Optional water backup or sump overflow coverage may provide protection, depending on your policy. Check directly with your insurer.
How often should I test my sump pump?
Test your sump pump every few months and before periods of heavy rain. Homes with a high water table may benefit from more frequent testing.
What is a weep hole?
A weep hole is a small air-relief opening used in some discharge pipe configurations. It helps prevent air lock, which can stop certain pumps from moving water properly. Follow your pump manufacturer’s installation instructions.
Don’t Wait for the Next Storm to Test Your Sump Pump
A sump pump not working can become an expensive emergency once heavy rain arrives. If basic sump pump troubleshooting does not solve the problem, professional service can help protect your basement before water starts rising.
My Georgia Plumber, Inc. provides dependable sump pump repair, replacement, and storm-ready plumbing solutions throughout Canton and North Metro Atlanta. With same-day appointments and 24/7 emergency service, licensed and insured technicians are ready when plumbing problems cannot wait.
Need your sump pump checked before the next heavy rain? Call My Georgia Plumber at 770-268-2331 or schedule service online today.


