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Don’t Get Left in the Dark: Your Easy Generac Generator Maintenance Guide

You bought a generator for one reason: peace of mind. You wanted to know that when the wind starts howling and the neighborhood goes dark, your lights will stay on. But a generator is like a car—if it sits in the driveway for a year without an oil change, it might not start when you really need it to.

Staying on top of your Generac generator maintenance is the only way to ensure it’s ready to jump into action. Here is a simple breakdown of what needs to happen to keep your backup power reliable.

What a Yearly Generator Tune-Up Includes

Just like your car, your generator has an engine that needs a little love once a year (or after every 100 hours of use). A standard checklist usually includes:

  • Fresh Oil and Filters: Old oil can get thick and dirty, making it hard for the engine to turn over in the cold.
  • Spark Plugs and Air Filters: These ensure the engine runs smoothly and efficiently without “choking” out.
  • Battery Health Check: This is the #1 reason generators fail to start. A weak battery won’t have enough juice to kick the engine over.
  • The Weekly Exercise Cycle: Your Generac is programmed to run for a few minutes every week. This keeps the parts lubricated and the battery charged. Make sure you check the status light on your unit occasionally to confirm this “exercise” is actually happening!
  • Testing the Transfer Switch: Before storm season hits, it’s a good idea to simulate a power outage to make sure the switch correctly “talks” to your generator and flips the power over.

Warning Signs Your Generator Needs Help Right Now

Sometimes, your generator will try to tell you something is wrong before it completely gives up. Keep an eye out for these red flags:

  • Error Codes or Yellow/Red Lights: If the little light on the side of your unit isn’t green, it’s time to check the display panel for an error code.
  • Slow or “Struggling” Startups: If it sounds like it’s gasping for air or taking a long time to kick in, there’s likely a fuel or battery issue.
  • It’s Been Sitting Too Long: If your generator has sat unused for more than six months without a professional check-up, the fuel can degrade and the seals can dry out.

A Note on DIY: While it’s tempting to change the oil yourself, keep in mind that DIY maintenance can often void your Generac warranty. Most warranties require service to be performed by a certified technician to stay valid.

 

Keeping Your Backup Power Ready for Anything

A generator is a big investment in your home’s safety, and a little bit of annual care goes a long way. By keeping up with your maintenance, you aren’t just protecting the machine—you’re protecting your family’s comfort and your home’s essential systems, like your fridge and sump pump.

At Electric Avenue LLC, we help neighbors across the Portland metro area, including Clackamas, Multnomah, and Washington County, keep their backup systems in peak condition. We’re a family-owned business, and we treat your generator with the same care we’d give our own.

Not sure when your last service was? If you want a pro to come out, run a diagnostic, and make sure your Generac is 100% ready for the next storm, we’re here to help. Reach out to us for an estimate, and let’s make sure you’re never left in the dark.