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Power You Can Rely On — Even When the Grid Fails Reliable Generator Solutions for Your Home or Business

We provide expert generator installation, repair, and maintenance to keep your power on when it matters most. Contact us today to learn more and protect your home or business!

Generac Repair St. Louis Homeowners Trust

If your Generac generator does not start, shows an error, or shuts off when you need it most, it is hard to feel comfortable waiting for the next storm. Many homes in St. Louis depend on backup power to keep lights on, sump pumps running, and families safe when the grid goes down. You need clear answers and a team that knows how to work on this equipment in real homes, not guesswork.

At Potts Electric, we focus on residential electrical systems, including Generac standby and backup generators. We are a family-owned company, and we approach every service call with the goal of protecting your home and making the situation feel manageable. Our electricians use a safety-first mindset, explain what they see in plain language, and give upfront pricing before any repair work moves forward.

With more than a decade of residential experience, a 5-year parts and labor warranty on our services, and a live 24-hour answering service, we work to be the steady support you can call when your generator will not do its job. Whether your system failed during a recent outage or you want it checked before severe weather, we are ready to help.

Call (636) 322-2006 to schedule service with Potts Electric for generac repair St. Louis homeowners can depend on.

Why Homeowners Choose Potts Electric

Choosing a company to service your generator is an important decision. Potts Electric focuses on safe, reliable electrical work, clear communication, and long-term solutions for your home.

What Sets Our Team Apart

  • 10+ years of experience: Our team has hands-on experience with residential electrical systems and generator service.
  • Whole-system expertise: We understand how Generac generators work with your electrical panel, transfer switch, and home wiring.
  • 5-year warranty: Our service is backed by a 5-year parts and labor warranty.
  • Extended coverage: Optional extended coverage is available with qualifying maintenance plans.
  • BBB Accredited Business: We maintain BBB accreditation and a strong record of customer feedback.
  • Family-owned: We focus on honest recommendations and respectful service.
  • Upfront pricing: We explain costs before work begins so you know what to expect.
  • Seasonal specials: Coupons and service specials may help reduce the cost of needed maintenance or repairs.
  • 24-hour answering service: A live answering service is available around the clock for calls and urgent service requests.

Whether you need Generac maintenance, repairs, or other electrical services, our technicians work to identify the problem and provide a solution that fits your home and needs.

Signs Your Generac Generator Needs Service

Your Generac generator may show warning signs before a complete failure. Scheduling service when you notice these issues can help ensure the system is ready for the next power outage.

Common Signs of Generator Problems

  • Failure to start: The generator does not start during its scheduled self-test or when utility power fails.
  • Unexpected shutdowns: The unit starts but shuts down shortly afterward.
  • Unusual noises or vibrations: Rough operation, excessive vibration, or new sounds can indicate a mechanical or electrical problem.
  • Fault codes or warning lights: Error messages or blinking indicators may signal a system issue that requires attention.
  • Transfer failure: The generator runs but does not transfer your home to backup power during an outage.
  • Irregular self-tests: The generator no longer performs its scheduled exercise cycle as expected.
  • Performance changes: Changes in startup, operation, or overall performance should be evaluated before the next outage.

Safe Checks You Can Make

Before scheduling service, homeowners can safely check:

  • Whether the generator is set to the correct operating mode
  • Whether the emergency stop switch is engaged
  • Whether the generator's visible breaker is in the correct position
  • Whether the unit is completing its scheduled self-test

Avoid opening electrical panels or working on wiring and transfer switches yourself. These components can carry dangerous voltage and require proper testing and safety procedures.

If your Generac generator shows persistent warning signs or fails to provide backup power, a licensed electrician can inspect the system and identify the cause.

What To Do If Your Generac Fails

If your Generac generator does not run during an outage or scheduled exercise, it can be stressful to figure out what to do next. A clear plan helps reduce that stress. Our goal is to give you a few simple steps you can follow, then explain how we step in to help.

Here are calm, safe first steps to take:

  • Check the generator display for any obvious error message or warning light.
  • Confirm that the unit is in the correct operating mode according to the manual.
  • Look at the main electrical panel to see if any major breakers are tripped.
  • Listen for any unusual noises, such as grinding or loud knocking, then turn the unit off if you hear them.
  • Avoid opening covers or attempting repairs if you are unsure, and avoid running the unit if it smells like fuel or wires.

Once you have taken those basic steps, the next move is to reach out for help. When you call Potts Electric, you reach our live 24-hour answering service, so you can speak with a person and describe what you are seeing. They gather key details about your generator, the symptoms, and your home’s situation, then work with our team to arrange the next steps.

When our electricians arrive, they start with a visual safety check of the unit, nearby wiring, and your panel. We then move into diagnostic testing tailored to the symptoms you described. Before we begin any repair work, we walk you through our findings and provide clear, upfront pricing. That way you can decide what fits your needs and budget without worrying about surprise charges.

After repairs, we typically test the system through a simulated outage or a controlled transfer, as appropriate, so you can see it operate before we leave. Our goal is that you finish the visit with more confidence in your backup power, not more questions.

How Our Team Handles Generac Repairs

Our Generac repair process focuses on accurate diagnosis, safe repairs, and clear communication from start to finish.

Our Repair Process

  • Review the problem: We discuss your generator's age, service history, recent outages, and any changes in performance.
  • Inspect the system: We check the generator, visible fuel connections, control panel, electrical components, main service panel, and transfer switch.
  • Run diagnostics: We use appropriate testing equipment to check voltage, connections, control signals, and other components.
  • Explain our findings: We identify the cause of the problem and explain how it affects generator operation.
  • Review repair options: We provide repair recommendations and pricing before completing approved work.
  • Complete the repair: We replace failed components, correct wiring issues, or address other identified problems without bypassing safety features.
  • Discuss repair vs. replacement: For older or repeatedly failing generators, we explain the costs and benefits of repair compared with replacement.
  • Review warranty coverage: Completed services are backed by a 5-year parts and labor warranty. Optional extended coverage may also be available with ongoing maintenance.

We can also recommend routine maintenance based on your generator's age, condition, and usage. Regular service can help identify problems before they affect your backup power during an outage.

Frequently Asked Questions

How quickly can your team come out for Generac issues

We strive to respond as quickly as possible, especially when outages or severe weather are involved. Actual scheduling depends on current demand and the nature of your issue. When you call, our live answering service will review timing with you and help arrange the soonest available visit.

How much does Generac repair usually cost

Costs depend on what we find during diagnosis, such as whether the issue is simple or involves major components. We provide upfront pricing after we inspect your system, so you know costs before work begins. You can also ask about current seasonal coupons that might apply.

Do you warranty the Generac repair work you perform

Yes, our services include a 5-year parts and labor warranty. If you choose routine maintenance through our company, optional extended warranty coverage is also available. We explain how these protections apply to the work we do so you understand exactly what is covered.

Can you work on older Generac home generators

We work on many older and newer residential Generac units. During our visit, we examine the condition of the equipment and discuss whether repair, maintenance, or planning for future replacement makes the most sense. Our goal is to give you clear options and honest recommendations.

What should I do before your electrician arrives

Clearing a safe path to the generator and your main panel is very helpful. If you have noticed specific error codes, sounds, or recent outage behavior, make note of those details. You do not need to troubleshoot deeply. We prefer that you stay safe and let our electricians handle the technical work.

If you are concerned about your Generac generator or want it checked before the next storm, we are ready to help you take the next step. Our team brings residential electrical experience, warranty-backed workmanship, and clear communication focused on your home’s safety and comfort.

We offer upfront pricing, a live 24-hour answering service, and a community-centered approach that makes it easier to get the support you need. Whether you are facing an immediate problem or planning ahead, you can reach out and talk with someone who understands how important reliable backup power is for your household.



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Local Generac Service For St. Louis Homes

Weather in St. Louis can be unpredictable, with strong thunderstorms, heavy rain, and winter ice all placing stress on the power grid. Many homes have basements and rely on sump pumps to keep water under control during long, soaking rains. In those moments, a working Generac generator is more than a convenience, it helps protect your property and comfort.

We provide residential electrical services throughout the St. Louis area and surrounding communities. Our electricians work in single-family homes, townhomes, and other residential properties, so we understand the types of panels, wiring, and transfer switches that are common locally. This familiarity helps us diagnose generator problems more efficiently and recommend solutions that match the way homes in this region are built.

We stay current on electrical codes that affect generator installations and service in this region. That includes how transfer switches should be configured, how systems should be grounded, and what is needed for safe integration with your existing panel. When we repair or adjust a Generac system, our work is intended to fit within those standards so your home remains protected.

As a family-owned company based in this area, we see our customers as neighbors. We know that when storms move across the region, many families are depending on their backup power to keep food cold, rooms safe, and water away from finished spaces. If your system has been unreliable or you simply want it checked before the next significant weather, we are ready to help you plan that service.

Helpful electricians, easy scheduling, and transparent pricing.
“We've had our full panel replaced and will soon be doing more electrical maintenance through Potts. Courtney was thorough, informative, and gave us an idea of what to expect next every step of the way.”
Andy R.

Service With a Purpose

Quality craftsmanship, dependable service, and respect for your home.
  • Exceeding Expectations, Every Time
    Our team delivers prompt, transparent communication and workmanship backed by real 5-star reviews from local homeowners and businesses who trust us to get the job done right.
  • Your Safety Is Our Priority
    With licensed, trained electricians and thorough inspections, we ensure your electrical systems are up to code, energy-efficient, and safe — so you can feel secure in your space year-round.
  • All-In-One Electrical Services
    From everyday repairs to electrical panel upgrades, EV chargers, smart home systems, and standby generators, we provide safe, certified services for all your electrical needs — big or small.
  • Rooted in the Community
    Built on honesty and trust, our family-owned company delivers personalized electrical solutions with the care and attention your home or business deserves.
  • Fast, Fair Emergency Service
    When electrical problems can't wait, our team is ready to respond. Weekday emergency calls come with no visit fee, and weekend emergency visits are a $299, so you always know what to expect.
  • Free Estimates When Safety Is on the Line
    If you're dealing with partial power loss, a sparking or arcing panel, or another significant or unsafe electrical condition, we'll come take a look at no cost. Safety concerns shouldn't come with a price tag just to get answers.
  • Licensed, Bonded, and Insured
    Every job we do is backed by full licensing, bonding, and insurance, giving you real protection and peace of mind, not just a promise.
  • Master Electricians on Staff

    Our team includes master electricians with the advanced training and hands-on experience to handle even the most complex electrical work with confidence.

  • Warranties That Actually Protect

    We stand behind our work with a 10-year transferable workmanship warranty, plus lifetime warranty options on select services, so your investment stays protected long after we leave.

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