Ninja Coffee Maker Clean Light Blinking And Won’t Go Off


Have you encountered the common issue where your Ninja Coffee Maker keeps saying clean, even after you’ve just cleaned it?

This can be frustrating, but don’t worry, I’ll guide you step-by-step on how to resolve this issue in the following article.

How To Fix A Ninja Coffee Maker Clean Light That Is Blinking And Stays On?

There are a few things you can do to turn the clean light off:

  • Descale the machine using a 30-minute or 4-hour cleaning cycle. For both cycles, fill the reservoir with white vinegar to the “half-carafe” line and water to the “clean cycle max fill” line. For the 30-minute cycle, press the “clean” button; for the 4-hour cycle, hold the button for 5 seconds. After cleaning, rinse the reservoir and run the clean cycle twice with fresh water.
  • If the light remains on, reset the machine by unplugging it for 15 minutes, disassembling and cleaning its parts, and reassembling.
  • If the issue persists, you might have a broken internal part. Consider contacting Ninja customer service or continue using the machine and manually remind yourself to descale every three months.

Let’s dive into some more detail on how to turn that descale light off below!

ninja coffee maker clean light stays on

Follow The Right Descaling Process

If the ‘clean’ light remains on after you’ve descaled your Ninja coffee maker, it might be because you didn’t do the descaling process correctly. The machine doesn’t recognize that it’s been cleaned, so the light doesn’t turn off.

Ninja coffee makers offer two cleaning options: a quick 30-minute cycle or a thorough 4-hour deep clean cycle. You can choose either one.

Here’s an easy guide to cleaning and descaling a Ninja coffee bar:

30-Minute Cleaning Cycle

  1. Empty any water currently sitting in your reservoir.
  2. Fill the reservoir with white vinegar to the “half-carafe” line.
  3. Fill the remainder of the reservoir with water, up to the “clean cycle max fill” line.
  4. Turn the knob to “full carafe”. If you don’t, the machine will start beeping and won’t allow you to proceed.
  5. Press the “clean” button. The machine will begin pulling a bit of the solution into the system, effectively immersing all parts.
  6. Wait for 30 minutes as the machine descales.
  7. Once the 30-minute cycle finishes, all the vinegar-water solution will have been run through and the reservoir should be empty.
  8. Dump out any remaining solution, and rinse out the reservoir.
  9. Fill the reservoir with clean water up to the max fill line, then run the “clean” cycle again. Do this twice.
  10. The “clean” light should then switch off, indicating the cleaning cycle is complete.

4-Hour Deep Cleaning Cycle

  1. Fill the reservoir with white vinegar to the “half-carafe” line.
  2. Fill the remainder of the reservoir with water, up to the “clean cycle max fill” line.
  3. Hold down the “clean” button for 5 seconds to start a 4-hour timer.
  4. The machine will slowly run 9 ounces of the vinegar-water solution through the system every hour, in order to deeply clean the machine.
  5. After the 4-hour cycle, rinse out the reservoir.
  6. Fill the reservoir with clean water up to the max fill line, then run the “clean” cycle again. Do this twice.
  7. The “clean” light should then switch off, indicating the cleaning cycle is complete.

Note: It’s important to distinguish between the “clean cycle max fill” line and the “max fill” line. For these cleaning cycles, always fill to the “clean cycle max fill” line.

Only fill it to the “half-carafe” line when doing the cleaning cycles with fresh water. This will let the machine sense that you’re not trying to brew coffee.

Reset Your Ninja Coffee Maker

If descaling your Ninja coffee maker didn’t work to get the clean light off, try resetting it with these steps:

  1. Unplug the coffee maker and wait 15 minutes.
  2. Take apart the machine. Remove the water tank and filter.
  3. Clean the removable parts.
  4. Reassemble the machine carefully.
  5. Plug it back in.
  6. Refill the water tank and see if the ‘clean’ light turns off.

This process should help fix any glitches with the coffee maker.

Ignore The Light If It’s Still On

If you’ve properly descaled your Ninja and tried resetting it, but the clean light issue persists, there might be a broken part inside the machine.

In this situation, I’d suggest ignoring the light and continue making coffee like you normally would. Just remind yourself to descale your Ninja every three months.

If the clean light bothers you or you want your machine to work perfectly, consider contacting Ninja customer service. If you’re under warranty, they probably replace your coffee maker.

If your warranty has expired, they might give you a discount on a new machine. However, since the coffee maker still works even with the light on, buying a new one just because of the cleaning light might not be cost-effective.

Additional Methods To Address The Persistent Clean Light Issue

Another option you could try is unclogging your ninja from air bubbles or draining the coffee maker.

I’m not sure if this will turn off the clean light, since I haven’t tried it myself. But you might want to try it anyway.

Cleaning out clogs and removing any scales or coffee debris is a good idea, whether or not it turns the clean light off.

What Happens If You Don’t Descale Your Ninja Coffee Maker?

If you don’t descale your Ninja Coffee Maker, mineral deposits from water can accumulate and impact the machine’s performance, potentially leading to poor tasting coffee, inconsistent brewing temperatures, or even machine malfunctions.

Using filtered or RO water can provide a potentially better experience and result in fewer issues like the clean light staying on, and the grounds basket overflowing as it reduces the mineral content that causes scaling.

Regular maintenance, including descaling, is essential for optimal coffee flavor and machine longevity.


Dealing with a blinking clean light on your Ninja Coffee Maker can be both puzzling and frustrating.

However, by following the provided steps – from the precise descaling process, opting for either a quick 30-minute or a thorough 4-hour clean, to resetting the device, and addressing potential internal clogs – you can effectively address this common issue.

Regular maintenance and descaling not only ensures that pesky clean light remains off but also guarantees the longevity of your machine and consistently delicious coffee.

So, the next time your Ninja Coffee Maker’s clean light starts blinking, you’ll know just what to do!

Thanks for reading!