5 Simple Hacks to Avoid the Common Problems in Whole House Generators

Last Updated on January 22, 2024 by Kimberly Crawford

When lights go off at your home due to a power or electrical outage, you will shift your focus to turn on your house generator. But what if, in that moment of need, it decides to take a nap? Or it functions in a manner that defies expectations.

Finding yourself in such a situation can be frustrating. You may ask yourself questions like, what’s the best

Generac service near me that can fix this problem?

As we delve deeper into this guide, you’ll gain comprehensive insights into how you can avoid the common problems in whole-house generators to ensure better performance.

Let’s get going:

Understanding Common Problems

Fuel-Related Problems

Fuel-related issues account for about 70% of generator failures, connecting issues like contaminated fuel, improper fuel storage, or fuel degradation.

Cooling System Failures

Roughly 5% of generator failures are associated with failures in the cooling system. Inadequate cooling can lead to overheating and impact the generator’s efficiency.


Overlading accounts for 10% of generator-related issues. Running a generator beyond its capacity leads to performance problems and potential damage.

Battery issues

Battery issues contribute to about 15% of generator problems, with failure stemming from dead batteries, poor connections, or inadequate maintenance.

5 Simple Hacks to Avoid Generator Problems

1.   Regular Inspection and Maintenance

Regularly checking and maintaining your generator is like giving it a quick check-up, ensuring it is ready for action when you need it most.

Look for loose nuts, frayed wires, and any signs of wear and tear. Identifying these issues at an early stage will help you prevent potential disasters and keep your generator in peak condition.

2.   Correct Size for Your Needs

Choosing the right size for your generator is crucial. Consider selecting a generator that is perfectly sized for your needs. When a generator conforms to your needs, it will grant you power without any hiccups.

3.   Fuel Management

Fuel isn’t just a necessity; it’s the lifeline for your generator. Choose your fuel wisely since different generators have varying fuel requirements, ranging from gasoline and diesel to propane. Moreover, have an understanding of how to store the fuel for your generator.

Store the fuel in a cool and dry place away from direct sunlight and extreme temperatures to maintain its quality and prevent contamination.

Practice fuel rotation to prevent fuel degradation. It also guarantees you a fresh and potent supply of fuel when your generator calls for it.

4.   Battery Care

Conduct regular charge checks on the generator battery to ensure it remains adequately charged. A low or dead battery can leave your generator powerless, underscoring the significance of this simple yet vital maintenance task.

Furthermore, clean your generator consistently to keep the terminals clean and remove any build-up of dirt or corrosion. Also, it facilitates a secure connection, reducing the risk of malfunctions.

Use charge maintainers or battery tenders as additional allies in your battery care routine. These devices help to keep your battery at an optimal charge level during periods of inactivity, ensuring it remains healthy and ready for action.

5.   Professional Servicing

Professional servicing is paramount for maintaining the optimal functionality of your generator. Here’s why:

●     Precision Expertise

Professional technicians possess specialized knowledge, ensuring accurate diagnostics and targeted solutions for your generator’s unique specifications.

●     Timely Issue Identification

Regular servicing allows experts to identify and address potential problems early on, preventing significant issues that could compromise the performance of the generator.

●     Performance Optimization

Professionals fine-tune your generator, optimizing its settings and components for peak efficiency.

●     Extended Lifespan

Routine professional attention contributes to the longevity of your generator, ensuring it remains standard for an extended period.

●     Compliance With Guidelines

Professional servicing aligns with manufacturer-recommended maintenance schedules, preserving warranty validity and adhering to industry standards for optimal performance.

Final Thoughts!

Having vast knowledge in the realm of generators is crucial. Regular checks, choosing the right size, fuel care, battery TLC, and professional servicing are your tools for uninterrupted power performance.


How do I prevent fuel problems in my whole house generator?

Regular maintenance is key. Always use fresh fuel and consider adding a fuel stabilizer to prevent degradation. Check and clean the fuel filters regularly to ensure smooth operation.

What should I do to avoid battery failure?

Regularly check the battery’s charge and connections. Ensure the battery is clean and free from corrosion. Consider keeping a battery charger on hand to maintain the battery’s health during prolonged periods of inactivity.

How can I prevent overheating in my whole house generator?

Ensure your generator has adequate ventilation. Regularly clean air filters and remove any debris blocking the air intake or exhaust. Check coolant levels and the cooling system for leaks or malfunctions.

What are the best practices to avoid electrical issues?

Regularly inspect electrical connections for tightness and signs of wear. Have a professional periodically test the generator’s electrical output to ensure it is operating within safe limits. Avoid overloading the generator by understanding its capacity.

How can I minimize the risk of mechanical wear and tear?

Schedule regular professional inspections to check for any mechanical issues. Regularly change the oil and oil filter, and check for leaks or unusual noises during operation. Ensure moving parts are well-lubricated.

What should I do to avoid problems during long periods of inactivity?

Run the generator periodically to keep it in good working condition. This helps lubricate the engine and prevent moisture build-up. Check the manufacturer’s guidelines for storage and upkeep during inactivity.

How can I ensure my generator is ready for an emergency?

Conduct regular test runs and maintenance checks. Keep a record of any maintenance performed and have a contingency plan for parts or service that might be needed unexpectedly.

What can I do to avoid control panel issues?

Regularly inspect the control panel for signs of wear or damage. Keep it clean and dry. If your generator has a digital control panel, ensure the software is up-to-date.

How do I prevent exhaust issues?

Regularly check the exhaust system for leaks or blockages. Ensure the generator is placed in a well-ventilated area, and never use it indoors to avoid carbon monoxide poisoning.

Can regular testing help in avoiding generator problems?

Yes, regular testing under load can help identify potential issues before they become major problems. It also ensures the generator will be reliable when you need it most.


  • St John, B. P. H. a. T. S. A. (2018, August 2). How to choose the right size generator. Consumer Reports. https://www.consumerreports.org/home-garden/generators/how-to-choose-the-right-size-generator-a4942266454/
  • ‘Generac Service near me’: We’re your trusted solution – W. Danley Electricical Contracting. (2023, July 21). W. Danley Electricical Contracting. https://danley911.com/generac-service-near-me/