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Duromax Generator Problems: (Troubleshooting & Solutions)

Duromax Generator Problems, Duromax generators are known for their reliable power supply and versatility, making them popular among homeowners, outdoor enthusiasts, and professionals alike.

However, like any other machinery, Duromax generators can encounter problems from time to time.

In this article, we will explore some common Duromax generators problems and provide troubleshooting steps and solutions to help you get your generator up and running again.

Duromax Generator Problems

Duromax Generator Problems

Duromax generators are reliable sources of backup power, but they can occasionally face issues that hinder their performance.

we will discuss some common problems that users may encounter with Duromax generators. By familiarizing yourself with these issues,

you’ll be better equipped to troubleshoot and resolve any difficulties that arise, ensuring your generator operates smoothly and efficiently when you need it most.

DuroMax XP12000EH Generator-12000 Watt Gas or Propane Powered Home Back Up

DuroMax XP12000EH Generator-12000 Watt Gas or Propane Powered Home Back Up

The DuroMax XP12000EH Generator is a reliable solution for home backup power, offering an impressive 12000 watts of energy.

This versatile generator can be powered using either gas or propane, providing flexibility and convenience during emergencies or power outages.

With its robust design, the XP12000EH is equipped to handle various essential appliances and devices, ensuring that your home remains functional even during unforeseen disruptions.

Whether you choose gas or propane, this generator stands ready to deliver consistent and dependable power, making it an essential addition to any household’s emergency preparedness strategy.


  • High Power Output: The DuroMax XP12000EH offers a substantial power output of 12,000 watts, making it capable of handling a wide range of household appliances and devices during power outages.
  • Dual-Fuel Capability: One of the major advantages of this generator is its ability to run on both gasoline and propane. This provides flexibility in fuel options, allowing you to choose the most readily available or cost-effective option.
  • Easy Switching: The generator allows for seamless switching between gasoline and propane fuels without the need for complicated modifications or tools. This makes it convenient to switch based on fuel availability or personal preference.
  • Electric Start: The electric start feature eliminates the need for manual cranking, making it easy to start the generator with the push of a button. This can be particularly helpful in cold or adverse weather conditions.
  • Robust Power Panel: The power panel of the generator is equipped with multiple outlets, including 120V and 240V options, as well as circuit breaker protection. This enables you to connect various appliances and distribute power efficiently.
  • Portability: While not the lightest generator, the DuroMax XP12000EH comes with sturdy wheels and a handle for easier maneuverability. This is useful for transporting the generator to different locations as needed.
  • Long Run Time: The generator boasts a decent run time, especially when running on propane. This is beneficial during extended power outages, as you won’t have to refuel as frequently.


  • Weight and Size: Due to its high power output and dual-fuel capability, the DuroMax XP12000EH is relatively heavy and bulky. This might make storage and transportation more challenging, especially for those with limited space.
  • Noise Level: Like many portable generators, this model can produce a significant amount of noise during operation. While noise reduction features are included, they may still be disruptive in quiet environments.
  • Emissions: While propane is generally considered a cleaner-burning fuel compared to gasoline, both fuels still emit exhaust gases. This might be a concern for environmentally conscious users or those living in areas with strict emissions regulations.

The Duromax Generators

Duromax generators are known for their durability, reliability, and high performance. They are designed to provide portable and efficient power, whether for camping trips, outdoor events, or backup power during emergencies.

Duromax generators are available in various sizes and power outputs to suit different needs and applications.

Common Duromax Generator’s Problems

Here are Common Duromax’s Generator’s Problems

The engine Won’t Start

One of the most common issues faced by generator owners is when the engine fails to start.

There are several possible causes for this problem, including a low fuel level, a clogged fuel filter, a faulty spark plug, or a dead battery.

Generator Runs but No Power Output

If your generator is running but not producing any power, it could indicate a problem with the alternator or voltage regulator. Issues with the wiring or a faulty circuit breaker can also lead to this problem.

Overloading and Tripping

Overloading the generator beyond its capacity can cause it to trip and shut down. This can happen when too many appliances or devices are connected simultaneously, exceeding the generator’s wattage rating.

Low Fuel Efficiency

If your Duromax generator seems to consume fuel excessively, it may be due to issues such as a clogged fuel filter, incorrect carburetor adjustments, or prolonged periods of idle running.

Excessive Noise and Vibration

While generators naturally produce some noise and vibration, excessive levels can be a sign of underlying problems.

Loose or worn-out components, improper alignment, or issues with the muffler can contribute to increased noise and vibration.

Oil Leaks

Oil leaks can occur due to loose fittings, damaged gaskets, or worn-out seals. Not only can oil leaks be messy, but they can also affect the performance and lifespan of your generator if left unaddressed.

Battery Issues

A weak or dead battery can prevent the electric starter from functioning properly. This can be caused by a faulty battery, loose connections, or insufficient charging.

Electric Starter Problems

If the electric starter fails to engage or turns slowly, it could be due to a weak battery, loose connections, or a faulty starter motor. These issues can prevent the generator from starting smoothly.

Faulty Automatic Voltage Regulator (AVR)

The AVR regulates the voltage output of the generator. If it malfunctions, the generator may produce unstable or insufficient voltage, leading to potential problems with connected devices.

Warranty Concerns

Some users may encounter problems covered under the generator’s warranty. It’s important to understand the warranty terms and contact Duromax support for assistance if necessary.

Troubleshooting Duromax Generators Problems

Here are Troubleshooting Duromax Generators’ Problems

Check Fuel Level and Quality

Ensure that the generator has an adequate fuel level and that the fuel used is clean and free from contaminants.

Inspect the Spark Plug

Inspect the spark plug for signs of damage, fouling, or carbon buildup. Clean or replace the spark plug if necessary.

Clean or Replace the Air Filter

A dirty or clogged air filter can restrict airflow and affect the generator’s performance. Clean or replace the air filter regularly to maintain optimal operation.

Inspect and Replace the Oil

Regularly inspect the oil level and quality. Change the oil as per the manufacturer’s recommendations to ensure smooth operation.

Check the Battery

Test the battery voltage and ensure it is adequately charged. Clean the battery terminals and ensure tight connections.

Inspect the AVR

Check the AVR for any visible damage or loose connections. Replace the AVR if it’s deemed faulty.

Inspect the Circuit Breakers

Inspect the circuit breakers for any signs of tripping or damage. Reset or replace faulty circuit breakers as needed.

Verify Proper Grounding

Ensure that the generator is properly grounded to prevent electrical hazards and ensure safe operation.

Common Solutions for Duromax Generators Problems

Here are Common Solutions for Duromax’s Generators Problems

Refill or Replace Fuel

If the generator has a low fuel level or if the fuel is contaminated, refill the tank with clean fuel or replace it altogether.

Clean or Replace the Spark Plug

Cleaning or replacing a faulty spark plug can improve ignition and resolve starting issues.

Clean or Replace the Air Filter

Regularly clean or replace the air filter to maintain proper airflow and prevent performance issues.

Refill or Replace the Oil

Follow the manufacturer’s guidelines for oil changes to ensure optimal engine performance and longevity.

Charge or Replace the Battery

Charge the battery using an appropriate charger or replace it if it fails to hold a charge.

Repair or Replace Faulty AVR

If the AVR is malfunctioning, consult a professional for repair or consider replacing it to ensure stable voltage output.

Reset or Replace Faulty Circuit Breakers

Reset tripped circuit breakers and replace any damaged breakers to restore power distribution.

Ensure Proper Grounding

Double-check the generator’s grounding to ensure safety and prevent electrical accidents.

Contact Duromax Support for Warranty Concerns

If you experience problems covered under the generator’s warranty, reach out to Duromax support for assistance and guidance.

People also ask

What is the most common generator failure?

The most common generator failure is the engine not starting.

How long do DuroMax generators last?

DuroMax generators are designed to be durable and long-lasting. With proper maintenance and care,

They can last for many years, providing reliable power during that time.

Is a DuroMax generator a good brand?

Yes, DuroMax is considered a reputable brand in the generator industry.

They are known for producing reliable and high-quality generators that offer good performance and value for their customers.

Which DuroMax generator is the best?

Choosing the best DuroMax generator depends on your specific needs and requirements.

DuroMax offers a range of models with varying power outputs and features.

It’s recommended to assess your power needs and consider factors such as wattage, fuel type, portability, and additional features to determine the best DuroMax generator for your situation.


In Conclusion, While Duromax generators are renowned for their reliability, it’s important to be aware of potential problems that may arise.

By understanding and addressing common issues such as starting difficulties, power output problems, fuel system troubles, engine performance issues, and electric starter malfunctions, you can ensure the optimal functioning of your Duromax generator.

Regular maintenance, proper troubleshooting, and prompt resolution of problems will help keep your generator in top condition, ready to provide reliable backup power whenever it’s needed.

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