Why Does My Cuisinart Coffee Maker Leak? – 6 Reasons and 7 Solutions to Stop Its Overflow

Today, I am going to talk about this fairly common phenomenon: Why does your Cuisinart coffee maker leak? I am also going to provide 7 unique solutions that can help you solve this leakage problem easily at your home.

A coffee maker is the best thing we are all using in our offices and homes. Many people wish to drink coffee in the early morning to revitalize our mind and body.

There are several well known coffeemaker brands that are available in the market. I am sure the reason you are looking for the answer to this overflow problem is your love for Cuisinart brand.

When it comes to a durable and efficient coffee maker, many folks prefer to use the Cuisinart brand. Many of us love this brand because of its unique features.

Even one of my friends uses Cuisinart coffeemaker to brew coffee instantly at her home. But unfortunately, one day she found a small leakage at the bottom of her coffeemaker.

At that point, she didn’t know whether the hot water or hot coffee is leaking from her coffee machine. So, she approached me and asked me about possible reasons why Cuisinart coffeemaker is overflowing.

And I thought that this same problem must be faced by thousands of Cuisinart coffee maker owners. Therefore, I decided to write about it in this guide.

Table of Contents

6 Main Reasons Behind the Leaking of Cuisinart Coffee Maker

Cuisinart DGB-900BC Grind-and-Brew 12-Cup Automatic Coffeemakers

There are certain reasons for coffeemaker leakage which could be caused by either faulty machine or due to broken accessories. Before you implement the solution, its important to make sure where it is leaking and what kind of leakage is happening.

It may be water, coffee, or grounds. So, it could be due to multiple reasons and one must carefully analyze the actual problem.

Over the years, I have studied and found few important reasons that often lead to Cuisinart coffeemaker leakage. Some of them are as follows.

Reason No. 1: You Haven’t Closed Brew Basket Properly

If your coffee overflows the Cuisinart basket, it could be due to the fact that you have not closed the brew basket in the right manner.

This is one of the major causes due to which your coffee or water overflows when you start your coffee maker.

Reason No. 2: Too Much of Coffee Beans

The second major reason is you sometimes put too much of coffee grounds or coffee beans in your coffee maker. This also leads to coffee overflow.

According to the Cuisinart Coffee Maker Company Manual, you should not add more than 14 scoops or tablespoons of coffee beans in the cup.

If you go over this quantity, then obviously your coffeemaker will start to overflow.

Reason No. 3: Filling out Too Much of Water

When you pour water in the water reservoir of the coffee machine, it is important not to go overboard with the water quantity. You must measure the number of required cups as per the given water level indicator on the machine.

If you exceed the maximum 12-cup line, then your coffeemaker will automatically start to overflow. To avoid this water overflow, you must not go beyond the 12-cup water limitation.

Reason No. 4: Adding More Than 16 Scoops of Pre-Ground Coffee

If you want to use pre-ground coffee with your Cuisinart Coffee Maker, then you must adhere to their guidelines.

The company guidelines specifically mention that you should add no more than 16 scoops or tablespoons of pre-ground coffee to your machine.

If you add a greater number of scoops of such finely grounded coffee to your machine, then it will start to overflow for sure. So, follow these guidelines to avoid an unwanted situation.

Reason No. 5: Removing Carafe for More Than 20 Seconds

The company guidelines also suggest avoiding removing coffee carafe for longer than 20 seconds.

If you do this more than often then a coffee filter basket can start overflowing in few days.

So, I suggest not to remove the carafe for a longer period of time.

Reason 6: Not Using Cuisinart Gold Tone Coffee Filter

Yes, this is also one of the main reasons that might be causing your coffee maker to overflow.

The Cuisinart brand strongly suggests using only company manufactured Cuisinart Gold Tone Coffee filters for your coffee machine.

Other unbranded coffee filters are usually of low quality and it often causes your machine to overflow.

If you want to avoid this issue, then it is highly advised to use only company approved Gold Tone coffee filters.

Click Here to Get Official Cuisinart GTF Gold Tone Filter for Your Coffee Maker.

When Does Your Cuisinart Coffee Maker Leak?

If you are wondering when is the maximum times this coffee machine overflow, then the following situations will help you a lot.

• While you fill the coffee

• At the beginning of coffee brewing

• In the end

These are the three main situations when coffee maker leaks usually.

Depending on the cause and the situation at which your machine leaks or overflows often, the solution varies. The type of leakage decides what type of solution you should implement.

One situation is when your coffeemaker starts losing water due to a defective seal on the bottom of the tank.

In this condition, you need to either replace the bottom immediately or contact the professionals for fixing the seal of the bottom.

Whatever the problem is, you must know the right solution to solve it as soon as possible.

7 Solutions to Repair Leaking of Your Cuisinart Coffee Maker

Cuisinart DCC-1200 Brew Central 12 Cup Programmable Coffeemaker, Black/Silver

To overcome all types of Cuisinart coffee maker leakage issues, you need to follow a few important tricks of the trade.

I am sure the following 7 solutions will help you solve your coffee machine leakage problem easily and without much hassles.

Solution 1: Clean Your Coffee Maker with Vinegar Solution

If your coffeemaker seems to be clogged and leaking the water or coffee, then you need to first clean it from inside.

Cleaning with White Vinegar and warm or room temperature water will do the trick here.

Here, I Assume that your coffee machine has a 12-cup capacity which is completely safe for vinegar and water cleaning. In this case, you will require to use 1 cup of warm water and 11 cups of white vinegar solution.

Just pour this solution in your coffee pot and then start your coffee maker. Allow this solution to do its cleaning for few minutes.

This method helps to unclog the pumps which in turn prevents any type of leaking caused by clogged pumps. If this clogging is really old, then you might have to repeat this method twice or thrice to get better results.

Solution 2: Fix Loose or Damaged Water Hose on the Bottom

In many cases, due to continuous usage; the water hose at the bottom of your coffee maker is damaged or worn out after a year or two. It happens due to overheating or excessive heating of the hoses.

The temperature there can rise up to 130 degrees. So, obviously the water hoses get damaged after a certain time period and need to be replaced.

In this case, you need to replace it with a new water hose. If you are not sure how to do it yourself then I recommend calling a coffee maker repair specialist at your home.

In another case, the water hose clamp gets loose over time due to corrosion of the metal tubing. If you find it loose, then just tighten it and your problem is solved.

If your hose is broken or damaged then you have to replace it with a new one. In such a scenario, you will have to buy a new water hose for cheap online and get it done on your own.

Special Note: If you want to replace or tighten the water hose yourself, then I recommend to get a new extra-long T10 security torx screwdriver. You will need it surely when you want to open the base unit which comes with 4 small screws.

If you want a thorough DIY installation procedure to replace the damaged water hose or orange tube inside, then check out this detailed repair article from Shareyourrepair.com.

Click Here to Get a New Water Hose for Your Coffee Maker Online.

Click Here to Buy a Reliable T10 Security Torx Screwdriver to Repair Water Hoses of Your Coffeemaker.

Solution 3: Clean or Fix The Broken Pump Valve

A broken or clogged pump valve obstructs the path of the water. It does not allow the water level to rise and thus water does not flow properly through the fill tube.

If you switch on your coffee machine and water does not flow properly through the fill tube, then obviously it will leak on your countertop.

In most cases, the pump valve is clogged due to the mineral deposits or coffee grounds. You need to clear the path by unclogging the valve.

If the valve is sealed then you either have to call the repair person or just have to replace the whole pump.

Before checking the pump valve, make sure you have unplugged the coffee maker.

To clean the pump, unplug the coffee maker and place it somewhere. For a minor clogging, you can clean it yourself otherwise, it’s best to seek professional help.

Solution 4: Replace Damaged Lid and Fractured Glass

If the coffee or water is leaking from the coffee carafe or coffee pot, then you need to make sure that the handle of the machine is properly attached.

Some people also don’t seal the lid in the right way which causes water or coffee to leak.

If you see that water is leaking out from the lid, then reseal it properly. Even after that, if the water is leaking out, then it is time to get a new lid for your coffee maker.

Click Here to Get a New Replacement Lid for Your Cuisinart Coffee Maker.

If the water is not coming out from the lid, then it must be leaking due to damaged glass. In this case, you need to replace this fractured glass with good quality and durable glass carafe.

Click Here to Get a New Cuisinart Replacement Glass Carafe for Your Coffeemaker.

Solution 5: Install Water Reservoir Properly

Some folks pour too much water in the water tank of the coffee maker. You should not exceed the intended 12-cup line which is shown on the water level window indicator.

Pouring too much water above the indicator level often causes water overflow and leakage. Sometimes people do not close the cover lid of water reservoir properly. This also causes leakage once you switch on your machine.

In some cases, there could a problem related to the seal which comes with a reservoir. If there is some issue with the seal, then either you can replace it yourself with the new one or you can contact the repair personnel to get it replaced.

It is important to properly install the removable water reservoir to prevent any water overflow.

Solution 6: Check and Replace Broken Brewing Switch

Sometimes, there could be a problem with a brewing switch. It is located at the bottom and inside the base plate. As mentioned above, you will need T10 Security Torx Screwdriver to unplug the base plate.

Once you remove the bottom plate, you will see the brewing switch. When it doesn’t work properly, it can cause water or coffee overflow.

To prevent this, you will have to first test the switch whether it is working properly. To test it, you will require a reliable digital Ohm meter such as Neoteck Auto Ranging Digital Multimeter.

If the reading shows 0 ohm then you should rest assured that your brewing switch is working fine.

If the reading shows other than zero number, then there is a fault in the switch and its time to replace it with a new one. In this case, you will have to contact the company repair service.

Solution 7: Replace Faulty Tube Connectors

A broken tube connector is another issue that causes your Cuisinart coffee maker to leak and overflow.

If you don’t pay attention to these faulty tuber connectors then it might continue the leakage for a longer time period.

In this scenario, my suggestion is to check where the fault is or from where the leakage is happening.

Sometimes, the elbow of the tube connector gets damaged and it starts leaking. If this is the case, then just replace the old elbow with the new one.

In case of broken or damaged tube connector, you will need to replace them too with the new one.

It is also important to clean up the surface really well in order to fit the new tube connector and elbow properly in their place.

Frequently Asked Questions Regarding Cuisinart Coffee Maker Leakage

Cuisinart SS-15P1 Coffee Center 12-Cup Coffeemaker and Single-Serve Brewer, Silver

Why Water Comes out of The Bottom of My Cuisinart Coffee Maker?

If the water tank is being overfilled, then water comes out from the bottom of your coffee machine. To overcome this problem, do not fill the carafe above the maximum level.

In case you are using a separate water decanter, try to use only limited water quantity. Make sure that the water level does not cross above the given water level indicator mark in the tank.

What Are The Main Causes Behind Water Leakage Of The Cuisinart Coffee Maker?

The main causes behind the Cuisinart coffee maker are listed below as follows.

The majority of coffee maker owners face these problems at one point or another.

• The water tank is cracked

• The seals are worn out

• Poor hoses installed

• Resistance is cracked

• The waterproof feature is broken

Steam nozzle is scaled and it starts to leak

• Pump valve is loose

Once you find out the main reason, then it becomes easier to implement the appropriate solution.

What Are The Solutions to Fix The Water Leakage Problem of Cuisinart Coffee Maker?

• Make sure the coffee filter is properly installed and the brew basket is appropriately closed.

• You need to make sure that the water reservoir is fully installed and positioned safely.

• Do not exceed the intended water level which is provided in the water tank in the form of water level indicator.

• In the end, if you don’t seem to find the root cause or are not well aware of the solution implementation, then get in touch with the professional repair service and get the problem solved.


I hope you are now well equipped with all the root causes of your Cuisinart coffee maker leakage. You can re-read all the 6 major reasons and then find out what’s wrong with your current coffeemaker.

Depending on the problem, you can implement the appropriate solution to it. I am sure the above 7 water and coffee overflow solutions will help you solve your problem quickly and without many issues.

Plus, to avoid any future leaking problem, you need to regularly clean the machine, check pump value, inspect tube connectors and do regular maintenance.

I am sure if you follow its regular cleaning maintenance, then you won’t have any leaking or overflow problem in the future.

Good luck!



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