Keurig Frother Not Working

Keurig Milk Frother Not Working and Buttons Not Lighting Up

Are you struggling with a Keurig frother that’s not functioning as it should? Don’t fret! It doesn’t necessarily mean it’s broken. There are several common issues that might be causing the problem, and the good news is, you can solve most of them on your own.

Keurig milk frothers, whether stand-alone or as a Keurig coffee maker attachment, can exhibit clear signs of malfunction. These include three short beeping sounds, a light in the front that keeps flashing but the frother isn’t working, or the frother heating the milk but not frothing it.

The problems causing your Keurig milk frother to malfunction could range from forgetting to add milk, trying to brew coffee and froth milk simultaneously, overfilling the milk above the maximum line, using the wrong type of milk, a buildup of gunk on the whisk, misplacement of the whisk, instability of the frother on the base, or not covering the frother with the lid.

This guide will delve into these common issues and provide easy solutions to get your Keurig frother back in working order. 

So, let’s get started!

Keurig Milk Frother

The Keurig frother is a game-changer in the coffee world. It’s a tool designed to whip your milk into a creamy froth, adding a luxurious touch to your coffee. Whether you’re craving a cappuccino, latte, or a simple frothy hot chocolate, this device has got you covered.

Keurig offers a variety of models, each with unique features. Some, like the Keurig K-Cafe, come with a built-in frother, while others, such as the Keurig K-Latte, include a standalone frother accessory. Regardless of the model, the frother’s function remains the same – to transform your milk into a rich, velvety froth.

However, to keep your frother performing at its best, regular maintenance and cleaning are crucial. Over time, milk residue can build up, affecting the frother’s performance.

Common Signs of a Non-Functioning Keurig Frother

Recognizing the signs of a malfunctioning Keurig frother is the first step towards troubleshooting. Here are some common indicators that your frother might need some attention:

Frother Doesn’t StartThe frother doesn’t start properly when you turn it on.
Beeping SoundsThe machine starts beeping when the frother is not placed correctly on the base. The beeping involves three consecutive short sounds.
Flashing LightsThere are flashing lights at the front of the Keurig Frother. These flashing lights indicate you are trying to carry out two processes simultaneously.
Frother Keeps FlashingThe Keurig Frother keeps flashing and doesn’t work at all.
Frother Heats but Doesn’t FrothThe frother turns on and heats the milk but isn’t frothing.

How To Fix Keurig Frother Not Working Issues

Let’s dive deeper into some of the common problems you might encounter with your Keurig frother and how to troubleshoot them:

1. Ensuring Milk is Present

It might seem like a simple oversight, but forgetting to add milk to the frother is a common issue that can prevent your Keurig frother from working. The frother operates by aerating the milk, creating a rich and creamy froth that enhances your coffee experience. Without milk in the frother, the device has nothing to aerate, and thus, it won’t function as expected.

If you find that your Keurig frother isn’t working, the first step should be to check if there’s milk in the frother. If you’ve forgotten to add milk, simply pour the desired amount into the frother, ensuring not to exceed the maximum fill line. Once you’ve added the milk, try operating the frother again.

In most cases, this simple step can resolve the issue and get your frother back to working order.

2. Sequential Brewing and Frothing

Keurig machines are designed to deliver convenience and efficiency, but they also have their limitations. One such limitation is that Keurig cannot brew coffee and froth milk simultaneously. While it might seem like a time-saving idea, attempting to perform both tasks at the same time can overload the machine and prevent it from functioning correctly.

If you notice the light on the frother base pulsing in and out, it clearly indicates that the machine is overloaded. To resolve this, you should allow the coffee to finish brewing before you start the frothing process.

Doing one task at a time ensures that your coffee and milk are prepared perfectly, enhancing your overall coffee experience.

3. Milk Above the Maximum Line

Each Keurig frother is designed with a maximum fill line, indicating the maximum amount of milk it can handle. If you fill the frother above the max line prevents the frother from working properly. Overfilling can cause the milk to spill over during the frothing process, creating a mess and potentially damaging the machine.

If you find that your frother isn’t working and the milk is above the maximum line, the solution is simple. Pour out the excess milk until it reaches the appropriate level, then try operating the frother again. Remember, it’s always better to add less milk initially; you can always add more if needed.

4. Choosing the Right Milk for Frothing

The type of milk you use can significantly impact the frothing process. Different types of milk have different fat contents, which can affect how well they froth. For example, whole milk and 2% milk, which have higher fat content, tend to froth better than skim milk or non-dairy milks like almond or soy milk.

If you’re having trouble frothing your milk, consider switching to a different type. Experiment with different kinds of milk to see which one gives you the best froth.

Remember, the goal is to achieve a creamy and rich froth that enhances your coffee, so don’t be afraid to try different options until you find the one that works best for you.

5. Whisk Has a Buildup of Guck

Just like any other kitchen appliance, your Keurig frother requires regular cleaning to function properly. Over time, dried milk can accumulate on the whisk, creating a buildup of guck. This buildup can interfere with the whisk’s ability to aerate the milk, preventing it from creating the desired froth.

To resolve this issue, you need to clean the whisk regularly. Soak it in warm soapy water and gently scrub it with a non-abrasive sponge or brush. Make sure to rinse it thoroughly to remove any soap residue, and let it dry completely before using it again. Regular cleaning can prevent buildup and ensure your frother continues to work effectively.

6. Correct Placement of the Whisk

The whisk in your Keurig frother plays a crucial role in the frothing process. It helps to aerate the milk, creating the froth. However, if the whisk is misplaced or not properly seated, the frother won’t be able to froth the milk.

If you’ve recently cleaned your frother or moved it, there’s a chance that the whisk might have been misplaced. Check to see if the whisk is in the correct position. If it’s not, reposition it and ensure it’s properly seated. Once the whisk is in the right place, your frother should be able to work as expected.

7. Frother Not Properly Seated on the Base

For your Keurig frother to work properly, it needs to be stable on its base. If the K-Cafe frother isn’t securely seated on the base, the frother is unable to detect it, preventing it from working.

If your frother isn’t working and it’s not stable on the base, try repositioning it. Make sure it’s securely seated on the base, with no wobbling or tilting. Once the frother is stable, it should be able to operate correctly.

8. Frother Not Covered with the Lid

The lid of the Keurig frother isn’t just there to prevent spills; it also plays a crucial role in the frothing process. The lid helps to contain the heat and steam essential for creating froth. If the frother isn’t covered, it won’t be able to froth the milk.

If your frother isn’t working, check to see if the lid is securely in place. If it’s not, put it on and try operating the frother again. The lid should fit snugly on the frother with no gaps or spaces. Once the lid is securely in place, your frother should be able to work as expected.

Advanced Troubleshooting: Dealing with Complex Issues

When the Frother Motor Fails

If your Keurig frother’s motor is not working, it’s a more serious issue that requires immediate attention. This problem could be due to a buildup of milk residue on the base and around the whisk. The jug won’t start the motor if it detects this. To rectify this, remove the whisk and clean it along with the jug using warm soapy water and a non-abrasive sponge.

If you’ve been diligent about cleaning your frother and the motor still doesn’t work, the issue could be with the whisk attachment. Ensure the black magnetic whisk piece is inside and press down firmly on it before adding milk to the jug. If these steps don’t resolve the issue, it may be time to contact Keurig customer support for further assistance.

Problems with the Indicator Light or Jug

Sometimes, the indicator light or the jug might not function as expected. This could be due to a loose connection between the jug and the power base or a faulty electrical outlet. To troubleshoot, ensure the plug is securely plugged into the electrical outlet. If you’re unsure about the outlet’s functionality, try using another one.

Next, check for a secure connection between the jug and the power base. Lift the jug off the base and inspect for any dust or dirt on the base or the underside of the jug. If you find any, clean it with a soft damp cloth and dry it thoroughly before placing the jug back.

In some cases, the jug might stop working shortly after starting. This could be because the jug temperature is too high, especially if you’ve just used the frother. Allow it to sit for two minutes or rinse the inside of the jug with cold water to cool it down before trying again.

Remember, if your frother is not heating milk or has tried all of the above fixes with no success, there may be a bigger issue with a component inside your frother. In such cases, it’s best to reach out to Keurig customer support for professional help.

Keurig K-Cafe Milk Frother Replacement Parts


Keurig frothers can sometimes face issues, but most can be resolved at home. From using the right type of milk to ensuring proper cleaning, these simple steps can help keep your frother in top shape. For more complex problems, like a non-working motor or issues with the indicator light, it’s best to contact Keurig’s customer service.


Why Won’t Your Keurig Frother Work?

Your Keurig frother might not be working due to several reasons like trying to brew and froth simultaneously, not covering the frother with its lid, or using the wrong type of milk.

Why are Keurig K-cafe frother buttons not working?

If the buttons on your Keurig K-cafe frother aren’t working, it could be due to a misalignment or an electrical issue. Consult the user manual or contact Keurig customer service.

Why is Keurig Frother only heating the milk but not frothing it?

If your Keurig frother is only heating the milk but not frothing it, the issue could be with the whisk. Cleaning or replacing the whisk can often solve this problem.

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Ronald Miller

I've been using multimeters for over seven years now, and I've tinkered with almost every brand out there. You might even say I'm a bit of a multimeter expert, but let's not get too carried away with titles.

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