Is Your Ninja Coffee Bar Leaking? (Here's Why & Fixes)

Upgraded Home Team
by Upgraded Home Team
The Ninja Coffee Bar is a coffee lover’s dream, but they are sometimes prone to problems such as leaking. You can fix a leaking Ninja Coffee Bar if you replace the rubber gasket if the base valve is the problem, but there are other possible causes that you can fix. Whether it be the base valve or the filter, let’s take a look at how you can stop your Ninja Coffee Bar from leaking.

There’s nothing like that first cup of coffee in the morning to get you going for the day. For 64% of Americans, this little ritual is absolutely necessary for us to function properly. The average person in the United States drinks 2.7 cups of coffee a day.

We need our coffee machines to work! But even popular brands, like the Ninja Coffee Bar, sometimes have problems.

If your Ninja Coffee Bar is leaking, it may be a problem with the reservoir connection. When the base valve of the machine and the water reservoir don’t have a tight fit, leaks can be a problem. A rubber gasket, like those used on a kitchen sink or a garden hose, may be all you need to fix your problem.

But before you rush off to the hardware store, let’s make sure that there’s not something else wrong with your coffee maker that may have an easier fix. Here are some troubleshooting steps to help get your Ninja Coffee Bar back in action.

Follow them in order to make sure you’ve identified the right problem and the right solution.

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Verify There’s a Problem

The first thing you should do when you see water coming from your coffee bar is to make sure that something is wrong. While that may sound silly, there’s actually a good chance that what you’re experiencing is completely normal and expected.

Check To See if it’s the Reservoir at the Base Valve

Even if the system is working perfectly, there will be some dripping that occurs any time that the reservoir is removed from the base valve of the machine. When this happens, all you need to do is to dry the inside of the bottom of the reservoir and the connection point on the base valve with a soft cloth or paper towel.

Check To See if it’s Coming From the Filter

If you notice some excess water coming out around the filter or the coffee cup, this can be normal too. The sputtering that occurs during the brewing process can cause drips and splatter around the filter. Again, simply wipe up any extra water with a towel. While these types of leaks can be annoying, they are just part of the normal functioning of any coffee maker.

Don’t Overfill the Reservoir

While the Ninja Coffee Bar company says that you can completely fill the reservoir, there is actually a fill-to line that should not be crossed. If you’re putting too much water into the reservoir, it can cause it to overflow and leak water during the brewing process.

Make sure that you are not going over the fill-to line when you replace the water in the reservoir. If there is leaking, you might put slightly less water than is indicated by the fill line. This will help make sure that overfilling isn’t your problem. It will also prevent water from flowing over while the machine brews.

Make Sure the Reservoir is Properly Connected

If the leak is coming from the connecting point between the reservoir and the base, it is important to make sure that you have properly attached them. It can be easy to rest the reservoir in the base without actually creating the seal.

When you connect the reservoir, there should be an audible click when it is fully connected to the base. This click ensures that the two are in the right position and there is a good seal on the system. If you don’t hear this click, make sure that you have the reservoir placed correctly. Then, turn it until you hear the click and know they are fully connected.

Fix For Leaking Water Reservoir

Clean Your System

Coffee machines need to be cleaned regularly or gunk can build up inside and cause problems. If you haven’t cleaned your Ninja Coffee Bar recently, it could be that the water pump has become clogged. This can cause the machine to leak and prevent it from working properly.

Make sure that you give your system a good cleaning, and see if the leaking stops. If it does, you’ll want to start cleaning your coffee bar more regularly. Running a vinegar juice mixture through the machine several times a week can help prevent clogging and make sure that you’re system is working right.

Check the Tubes and Tube Connectors

If you check all of the easier fixes above and your Ninja Coffee Bar is still leaking, it is time to look for the bigger problems. The first place to check is the rubber tubes that connect the reservoir to the coffeemaker.

If there is water along the tubes, look to see if you can identify where it is coming from. There may be a hole in one of the tubes, or it may be a problem with the connectors that join the tubes to other parts.

If you find that there is a leak coming from a connector, you can try to tighten the connection and make sure that the tube hasn’t just come loose. If that doesn’t work, you’ll need to disconnect them from your coffee machine and take them to the hardware store to buy a replacement. Or, if you find that there is a hole in the tube, this will require a replacement as well.

Installing a Gasket

Once you’ve checked all the other possible sources of the leak, if you still have water seeping from the machine, it is most likely a problem with the reservoir seal. This is a problem that many Ninja Coffee Bar owners have dealt with.

Step 1: Buy Your Supplies

While some people have tried to use Teflon tape to create a proper seal, most find that this does not work. Your best bet is to buy a rubber gasket that is about 1 inch in diameter or a neoprene washer that is ⅝ inch x 2 inch.

Step 2: Attach the Gasket

Fit the rubber gasket around the connector at the bottom of the reservoir and create a tight seal when it is placed in its base.

Tips for Installing a Gasket

To make sure you get the right fitting gasket, you can take the reservoir to the store with you. You may find that the gasket needs to be trimmed back from the outside, which you can easily do with a pair of scissors.

How Do I Clean My Ninja Coffee Bar?

Use a Vinegar Solution

The easiest way to keep your Ninja Coffee Bar clean and working correctly is to regularly run a vinegar solution through your system several times a week. This will help to reduce the dirt build-up and prevent clogging in the coffee maker.

Step 1: Make the Vinegar Solution

Simply mix one part vinegar to one part water.

Step 2: Run the Solution Through the Coffee Bar

Pour the solution into the coffee bar, then turn it on and let it brew the solution.

Step 3: Rinse and Repeat

Next, fill the coffee bar with normal water and let it brew again. Then, fill it with water and brew one more time. You should be good to go!

Use a Descaling Solution

The makers of the Ninja Coffee Bar also make a special descaling solution that is recommended for regular use. This helps prevent a build-up of minerals from the water flowing through the system. To use the scaling solution, follow the instructions on the label.


Related Questions

Why is my Ninja Coffee Bar beeping 5 times?

If your Ninja Coffee Bar beeps 5 times and will not brew, it is having trouble pulling water from the reservoir. The most likely reasons for this are that you either do not have enough water in the reservoir or that the Drip Stop is closed.If it’s the former, just add more water! If it’s the latter, check your Drip Stop lever and if it’s closed, slide it right to open it. Make sure that everything is properly placed and not blocking the Drip Stop and you should be good to go!

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Upgraded Home Team
Upgraded Home Team

We are a team of passionate homeowners, home improvement pros, and DIY enthusiasts who enjoy sharing home improvement, housekeeping, decorating, and more with other homeowners! Whether you're looking for a step-by-step guide on fixing an appliance or the cost of installing a fence, we've here to help.

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