Generac Repair in Marietta

Your Trusted Team for Reliable Generac Repair & Service in Marietta

Marietta homeowners know the peace of mind a Generac generator provides, especially during the severe weather that frequently causes utility outages. When your unit fails to start during a power loss or displays a concerning error code, that essential protection vanishes quickly. Having a licensed professional inspect and repair the unit without delay is crucial to restore your home's security.

We at Lightning Bug Electric have deep roots in the Marietta area, bringing more than 25 years of electrical expertise, led by a master electrician, to every repair. Our family-owned company prioritizes your safety, employing background-checked staff and guaranteeing the quality of our service, as proven by our A+ Rating with the BBB®.

If your Generac generator requires expert service in Marietta, call our team today at (404) 471-3847 or reach out online to schedule your service and restore your backup power reliability.

Common Faults That Demand Generac Generator Repair

A Generac standby generator is a complex unit relying on a combination of engine mechanics and specialized electrical technology to provide power. When any one of these systems malfunctions, the generator often fails at the worst time: right when an outage hits Marietta. Recognizing the key faults ensures you call an expert before a minor issue causes costly damage or a complete failure.

• Failure to Start (Overcrank): This is typically caused by a weak battery, fouled spark plugs, or an obstruction preventing the fuel (natural gas or propane) from reaching the engine.
• Engine Running Rough or Surging: Often indicates problems with the fuel-air mixture, potentially due to a clogged carburetor, old fuel, or a faulty governor regulating engine speed.
• Low Oil Pressure (1300 Code): The engine’s protective sensor shuts down the unit. This requires checking oil levels and potentially replacing the pressure sensor to ensure engine health.
• No Power Output: The engine runs smoothly, but no electricity is produced. This suggests an issue with the voltage regulator (AVR) or a tripped breaker in the Automatic Transfer Switch (ATS).
• Transfer Switch Failure: The unit starts but fails to automatically switch your home from utility power to generator power, indicating a serious electrical fault in the ATS component.

Our Thorough Generac Generator Service Procedure

When you call Lightning Bug Electric for Generac Repair in Marietta, you receive a methodical and highly professional service aimed at quickly restoring your unit's reliable function. Our master electrician-led team ensures that every step of the repair process is accurate, safe, and fully documented. We do not stop at fixing the symptom; we correct the underlying cause.

The process begins with advanced diagnostic testing using manufacturer-specific tools to read and clear any error codes and alarm histories. We then perform a physical inspection of all major systems, focusing intensely on battery health, fluid levels, and fuel connections. Once the fault is isolated, we use high-quality parts to complete the repair, always double-checking our work to confirm full compliance and guaranteed performance.

• We start by connecting diagnostic tools to read and log all active and historical fault codes, such as Overcrank or Undervoltage.
• Our technicians perform a thorough check of the generator battery’s health, testing voltage and connections and replacing the battery if it is unable to hold a stable charge.
• We inspect the engine systems, including spark plugs, fuel lines, oil, and air filters, replacing any component that may be causing starting or running roughness.
• We diagnose and repair faults in the Automatic Transfer Switch (ATS) and the voltage regulation circuit to ensure stable and correct power output is achieved.
• After the component repair, we perform a controlled, on-site load test to confirm the generator starts automatically and maintains consistent power delivery without failure.
• We clear all alarms from the control panel and verify the unit is set securely to AUTO mode, ready to operate during the next Marietta power outage.

Why Choose Us for Generac Repair in Marietta

For homeowners in Marietta, choosing a Generac repair provider is a decision about safety and reliability during critical moments. Lightning Bug Electric is the trusted local expert, bringing proven experience and a strong commitment to quality to every generator service. Our qualifications and focus on the customer set us apart.

When your Generac needs reliable repair in Marietta, trust the team with the credentials and history of guaranteed service:

• Unmatched Experience: We are led by a master electrician and boast over 25 years of industry experience, providing deep knowledge of all Generac models and their intricate systems.
• Verified Trust and Quality: Our dedication to customer satisfaction is reflected in our A+ Rating with the Better Business Bureau and our recognition as an Angie's List Super Service Award winner.
• Customer Security: Every member of our skilled team undergoes rigorous background checks and drug testing, ensuring you feel safe and comfortable with the professionals working at your home.
• Satisfaction Guaranteed: As a family-owned and operated company, we stand firmly behind our work, guaranteeing that your Generac repair will be completed correctly and to your satisfaction.
• Local Code Experts: We understand the electrical codes specific to Marietta and Cobb County, ensuring your repair and components are installed safely and compliantly.

We are committed to providing the fast, professional service you need to ensure your Generac generator is ready to protect your home the moment an outage occurs.

FAQs About Generac Repair in Marietta

How often should my Generac standby generator be professionally serviced in Marietta?

Generac recommends professional service annually or after 200 hours of run time, whichever comes first. Given Marietta’s high temperatures, continuous use during summer outages may require additional oil and filter changes to maintain engine health and efficiency.

Why does my Generac generator run rough and sometimes shut down?

Rough running, surging, or sudden shutdowns are often symptoms of fuel system problems, such as stale fuel or a clogged carburetor. Other causes include low oil levels, which trigger a protective shutdown. These issues require professional diagnosis to avoid engine damage.

Does using an unauthorized repair service void my Generac warranty?

Yes, most Generac manufacturer warranties require that all repairs and services be performed by a certified or authorized service dealer. Using an unqualified technician can void your warranty, leaving you responsible for future, potentially costly, component failures.

What should I do if my Generac displays an Overcrank (1100) error code?

The Overcrank code means the engine tried but failed to start. First, check that the fuel supply is on and the battery terminals are clean. If the unit still won't start after trying to clear the code, immediately call a certified technician, as the problem is usually a dead battery or ignition issue.

If your Generac generator requires expert service in Marietta, call our team today at (404) 471-3847 or reach out online to schedule your service and restore your backup power reliability.