What Is Generac Service Schedule A? [Answered]

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If you own a Generac home standby generator, it’s important to keep up with the manufacturer’s recommended maintenance schedule to ensure that your generator operates at peak performance when needed. 

When it comes to maintenance, Generac recommends two types of maintenance schedules, A and B. Service Schedule A, recommended every 200 hours or two years, whichever comes first, includes a variety of maintenance tasks to keep your generator in top condition.

Some of the maintenance tasks included in Service Schedule A for Generac home standby generators involve changing the oil and filter, inspecting the air filter, checking the spark plugs, and inspecting the battery. 

Generac’s Evolution controller will display the message “Service Schedule A” on the generator’s screen when performing this maintenance. Following the recommended maintenance schedule, you can help ensure your generator is always ready to provide backup power during a power outage.

What is Generac Service Schedule A All About?

Generac Service Schedule A is a maintenance reminder that appears on the Evolution controller of your Generac home standby generator. It is designed to help you keep your generator running smoothly and efficiently. The message appears every 200 hours or two years, whichever comes first.

When you see the Service Schedule A message, it’s time to perform specific maintenance tasks on your generator. These tasks include changing the oil and oil filter, replacing the air filter, and checking the spark plugs. Additionally, it is recommended to inspect the battery and clean the generator’s exterior during this service.

The following table summarizes the maintenance tasks required for Generac Service Schedule A:

Maintenance TaskFrequency 
Change oil and oil filterEvery 200 hours or two years
Replace air filterEvery 200 hours or two years
Check spark plugsEvery 200 hours or two years
Inspect batteryEvery six months
Clean exteriorAs needed

IMPORTANT READ:- Generac Generator Won’t Start in Cold Weather: Causes And Solutions

Key Components of Generac Service Schedule A

What Is Generac Service Schedule A? [Answered],

One thing about generator service schedule A I love is that it’s not much of a big thing, unlike service schedule B. In short, you can all do it yourself without the intervention of a Generac generator dealer or a professional to help; however, not everyone loves that.

I wouldn’t advise you to service the generator yourself. But what are the basic components needed to be achieved with the service schedule a? 

1. Inspection

The first component of Generac Service Schedule A is inspection. During this step, you will need to visually inspect the generator and its components to ensure that everything is in good working order. This includes:

  • Checking the fuel lines and connections
  • Inspecting the control panel and wiring

2. Maintenance

After you finish the inspection stage, the second basic component of Generac Service Schedule A is maintenance.

During this step, you must perform basic maintenance tasks to keep your generator in good working order. This includes:

  • Changing the oil and oil filter
  • Replacing the air filter if necessary
  • Replacing the spark plugs if necessary
  • Cleaning the battery and cables
  • Lubricating any moving parts as needed
  • Checking and adjusting the valve clearance if necessary

ALSO READ:- How to Change the Oil Filter for Generac Generator [Complete Guide]

3. Testing

The third component of Generac Service Schedule A is testing. During this step, you must test the generator to ensure it works correctly. This includes:

  • Starting the generator and letting it run for a few minutes to warm up
  • Testing the voltage output to ensure that it is within the correct range
  • Testing the frequency output to ensure that it is within the correct range
  • Testing the transfer switch to ensure that it is working properly

ALSO READ:- Troubleshooting Low Voltage Error on Generac Generators: Everything You Need to Know

Importance of Regular Servicing Your Generac Generator

Whenever the service schedules a show on my customer’s Generac generator, I advise them to do what’s needed and not risk it all to continue running their generator if they have not done the service.

Why? Regular servicing of your Generac generator is essential to ensure it runs smoothly and efficiently. 

And when you neglect it, it can lead to costly repairs and even complete failure of your generator. Here are some reasons why regular servicing is so necessary:

1. Prolongs the Life of Your Generator

Regular servicing can help to prolong the life of your generator by identifying potential problems before they become major issues. 

By catching problems early, you can prevent them from causing further damage and extend the lifespan of your generator.

For example, there’s this generator that I worked on. The generator was working, but after changing its oil, fixing the valve clearance, and other things applicable, it started making noise.

To my greatest surprise, it wasn’t before servicing the generator that I found out that the generator oil sensor inside the engine crankcase had been damaged. 

With no rush, I have to dismantle the generator engine, remove the damaged crankcase and fix a new one because without doing that, it can cause more severe damage. But with servicing the generator, I was able to identify it earlier.

2. Ensures Optimal Performance

Secondly, regular servicing ensures that your generator is running at its optimal performance level. 

This means that it will be ready to provide you with power when you need it most, whether it’s during a power outage or in an emergency. 

A well-maintained generator will also run more efficiently, which can save you money on fuel costs.

3. Maintains Warranty Coverage

Regular servicing is often a requirement to maintain warranty coverage on your generator. 

That’s to say, if you neglect regular maintenance, you may void your warranty and be responsible for any repairs or replacements out of your pocket.

4. Increases Safety

A poorly maintained generator can pose a safety hazard. For example, a poorly grounded generator can cause electrical shocks or even fires. 

Regular servicing can help to identify and correct potential safety hazards, keeping you and your family safe.

5. Saves Money in the Long Run

While regular servicing may seem like an unnecessary expense, it can save you money in the long run. 

By catching potential problems early, just like I’ve explained earlier, you can prevent costly repairs or even complete generator failure. 

Additionally, a well-maintained generator will run more efficiently, saving you money on fuel costs over time.

How to Schedule a Generac Service

So now you know about the importance of regularly servicing your Generac generator. But how can you schedule this service? Here are a few tips to consider:

  1. Determine the service schedule: Generac generators have different schedules depending on the model and usage. Check the owner’s manual or the Generac website to determine your generator’s required service schedule. The two most common service schedules are Schedule A and Schedule B.
  1. Find a certified Generac technician: Generac recommends having your generator serviced by a certified technician to ensure that any maintenance is done correctly and safely. You can find a certified Generac technician using the dealer locator tool on the Generac website or by calling Generac customer support.
  1. Schedule the service: Once you have found a certified technician, you can schedule the service appointment. Schedule the appointment well in advance to ensure you can get a time that works for you and the technician.
  1. Prepare for the service: Before the technician arrives, ensure that the generator is easily accessible and that any necessary paperwork or documentation is available. You may also want to clear any debris or clutter around the generator to make it easier for the technician to work.
  1. During the service: During the service, the technician will perform various tasks depending on the service schedule. For Schedule A, these tasks may include changing the oil and filter, replacing the air filter, and checking the spark plugs. For Schedule B, the technician may perform additional tasks such as replacing the battery, checking the fuel system or overhauling the generator engine.
  1. After the service: Once the service is complete, the technician will provide a report detailing what was done during the service and any recommendations for future maintenance. Be sure to keep this report in a safe place for future reference.

Common Issues and Solutions

Even after servicing your Generac generator as needed, you may still encounter some common issues with your generator. Here are some of the most common problems and their solutions.

Engine Problems

Issue 1: The engine won’t start.

Solution: Check if the fuel valve is in the “on” position. Make sure there is enough fuel in the tank. Check the spark plug and replace it if necessary. Check the battery and make sure it is fully charged. If the problem persists, contact a professional.

Issue 2: The engine runs rough or stalls.

Solution: Check the air filter and clean or replace it if necessary. Check the spark plug and replace it if necessary. Check the fuel filter and replace it if necessary. If the problem persists, contact a professional.

Issue 3: The engine overheats.

Solution: Check the coolant level and add more if necessary. Check the radiator and clean it if necessary. Check the oil level and add more if necessary. If the problem persists, contact a professional.

Electrical Issues

Issue 1: The generator doesn’t produce any power.

Solution: Check the circuit breaker and reset it if necessary. Check the voltage regulator and replace it if necessary. Check the wiring and connections and repair or replace them if necessary. If the problem persists, contact a professional.

ALSO CHECK:- How to Fix a Generator That Runs But No Power

Issue 2: The generator produces low voltage.

Solution: Check the voltage regulator and replace it if necessary. Check the wiring and connections and repair or replace them if necessary. If the problem persists, contact a professional.

ALSO CHECK:- Troubleshooting Low Voltage Error on Generac Generators: Everything You Need to Know

Issue 3: The generator produces high voltage.

Solution: Check the voltage regulator and replace it if necessary. Check the wiring and connections and repair or replace them if necessary. If the problem persists, contact a professional.

Benefits of Professional Servicing

While you may be tempted to perform maintenance tasks yourself, it is highly recommended to hire a professional to service your generator. Here are some benefits of professional servicing:

1. Expertise

Professional technicians have the knowledge and experience to identify and fix potential issues before they become major problems. They are trained to work with Generac generators and can access the latest tools and equipment to diagnose and repair problems.

2. Time-Saving

Servicing a generator can be time-consuming, especially if you are unfamiliar with the process. Hiring a professional will save you time and effort, as they are equipped to handle the job quickly and efficiently.

3. Cost-Effective

Regular servicing can help prevent major issues from occurring, which can be costly to repair. By hiring a professional to service your generator, you can avoid costly repairs and extend the life of your generator.

4. Warranty Protection

If your generator is still under warranty, it is essential to be serviced by a professional to ensure the warranty remains valid. Generac requires that a certified technician perform all maintenance and repairs to maintain the warranty.

Final Thought 

Following the Generac Service Schedule A is crucial for ensuring the longevity and optimal performance of your home standby generator. By performing regular maintenance tasks such as changing the oil and filter, inspecting the air filter, and checking the spark plugs, you can prevent costly repairs and extend the lifespan of your generator.

Remember that the Service Schedule A reminder will appear every 200 hours or two years, whichever comes first. It is essential to follow the manufacturer’s recommendations and perform the necessary maintenance tasks promptly to ensure your generator is always ready to provide backup power.

If you are unsure how to perform any maintenance tasks listed in the Service Schedule A, consult the generator’s manual or contact a qualified technician. Neglecting routine maintenance can lead to reduced performance, increased fuel consumption, and even generator failure.

Following the Generac Service Schedule A, you can ensure your home standby generator is always in top condition and ready to provide reliable backup power during a power outage. So, take the time to perform regular maintenance and enjoy peace of mind, knowing that your generator is always ready to keep your home and family safe and comfortable.

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