You can easily clear this suggested maintenance reminder using the generator’s control panel!
As I’ve written about previously, we purchased a 22KW Home Standby Generator from Generac a few years ago. Big standby generators like this require maintenance to ensure they’re functioning properly. Sometimes it’s required maintenance (like replacing the engine oil) and sometimes it’s suggested maintenance (like checking the battery is working well).
If you see a partially green and yellow light on your Generac generator, this is simply a suggested maintenance reminder. There is absolutely nothing wrong with your generator, and it will still start automatically and run. These suggested maintenance reminders are time-based, and occur once a certain interval of time has been reached. Every year, for instance, you’ll see this green and yellow light come on as a reminder to check the condition of the generator’s battery.
Here I’ll show you what the suggested maintenance reminder looks like on the generator and in the Mobile Link app, and how to fix it so you only see a fully green light on your generator!Generac 22kW Home Standby Generator with Wi-Fi and Transfer Switch
What the Maintenance Reminder Looks Like in the Mobile Link App
I first noticed the suggested maintenance reminder via Generac’s Mobile Link app. After opening the app, I saw a yellow triangle next to the typical green checkmark in the upper righthand corner of the home screen:
If you click on the Status History page of the app, you’ll see a detailed message regarding the maintenance reminder (in this case – circled in red – the message says “Inspect Battery maintenance interval reached”):
What the Maintenance Reminder Looks Like on a Generac Generator
Heading outside to the generator, you’ll see that the LED light has changed from fully green to partially green and partially yellow:
If you open your generator, the control panel interface will explain the maintenance reminder (in this case, a yearly “Inspect Battery” reminder to check the condition of the generator’s battery):
If you get a green and yellow light for battery inspection, the main thing you would want to do is check the voltage of the battery. Fortunately, you don’t even need to do this manually with a voltmeter anymore! Just open the Mobile Link app, and you’ll see the battery voltage displayed at the bottom of the screen:
Big standby generators essentially have 12V car batteries in them, so as long as the battery voltage is displayed in green and is somewhere between 12.6V to 14.6V, the battery should be fine!
How to Clear the Maintenance Reminder from the Control Panel
Hit the gray ENTER button once, and you will see the following screen asking if service was performed:
Hit ENTER once more, and the generator will return to normal where only the green “AUTO” light is illuminated. The generator is now back to fully automatic system operation (allows the generator to automatically start and exercises the generator according to the exercise timer).
The control panel should look like this:
More Information on Maintenance Reminders and Service Schedules
According to the owner’s manual, all Generac generators have a suggested service schedule. Checking the battery condition is on a yearly reminder schedule:
How To Find a Generac Generator’s Product Manual
You can find specifications, product/owner’s manuals, and more information for your Generac generator via Generac’s Product Support Lookup page.
Either enter a Model Number/Serial Number, or browse by Product Category (in our case, Standby Generators -> Guardian Series -> 22 kW).
Did this guide help you fix your Generac generator with a green and yellow light? Have any other Generac generator issues you need help with? Let me know in the comments below!
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