How to Fix Bosch Dishwasher Error Code E04 [In 2 Minutes]

A dishwasher is one of the most complicated and useful tools for every household out there. It is helpful because it makes it very easy to do dishes within a matter of minutes.

Similarly, it is complicated because it is hard to locate and fix any kind of issue with the dishwasher. Bosch dishwasher E04 error code is one of them. 

Nowadays, most new dishwasher model comes with this feature, which helps you identify issues using an error code.

Similarly, the Bosch dishwasher also has this feature which lets you locate the issue with a glance.

If you have been using the Bosch dishwasher, then I am pretty sure you might have encountered various error codes. 

Today in this article, we will be talking more about Bosch dishwasher error code E04. Bosch dishwasher E04 is a common problem that is seen in every dishwasher.

You’ve come to the right place if you don’t know how to fix this error code.

Here we will discuss the different reasons you encounter this error code, along with step-wise solutions for every particular problem. 

Why my Bosch dishwasher is showing an E04 error code?

Bosch dishwasher E04 error code is associated with a problem in the dishwasher sensor.

There are different types of sensors in the dishwasher if the flow sensor of your dishwasher is not working or just got broke.

You are likely to encounter an E04 error code in our Bosch dishwasher. 

In some situations, if the injector of the dishwasher is failed, you are likely to encounter an E04 error code in the dishwasher.

This issue is mainly caused due to clogged and hard water or sometimes when jets do not pass through the holes in the sprinkler. 

What is the cause of the Bosch Dishwasher Error Code E04?

As mentioned earlier, the Bosch dishwasher E04 error code is mainly encountered due to the dishwasher sensor and injector issue.

The dishwasher sensor and injector malfunction, especially when a clog inside the dishwasher.

If your dishwasher has any of the problems, your dishwasher will show an E04 error code in the dishwasher.

Here is the list of issues that can affect your dishwasher sensor and injector. 

Clogged dishwasher

A clogged dishwasher can also cause an E04 error code in the dishwasher. Therefore, I recommend you correctly inspect the dishwasher after use.

If your dishwasher food particle is not cleaned correctly after it functions, it can cause create an E04 error code issue in the dishwasher. 

If you are experiencing a standing water issue in the dishwasher, you need to clean the dishwasher mesh filter.

I recommend removing the dishwasher filter compartment and thoroughly cleaning the dishwasher food particles.

Similarly, the drain hose can also create a drain issue on the dishwasher, so make sure to clean the dishwasher drain hose when cleaning the dishwasher filter. 

Short circuit

Short circuits are very rare in the modern dishwasher. But, we should take this problem into consideration.

It can also cause a short circuit issue in the dishwasher. If there is a short circuit in the dishwasher,

it can create an issue with the sensor and other parts of the dishwasher, which can cause an E04 error in the dishwasher. 

An issue on the Control panel

Control panel issues can also cause an E04 error code in the dishwasher. A control panel is the brain of the dishwasher; it processes all the instructions and helps the dishwasher function properly.

Similarly, every sensor on the dishwasher is somewhat connected to the dishwasher control panel. 

Therefore, any issue on the dishwasher control panel can affect the dishwasher sensor and display the E04 error code.

If there is an issue on the control panel and you are detecting a couple of error codes. I recommend you to call dishwasher technicians.

Control panel issues are often hard to fix and require technical knowledge to locate and fix the problem. 

Clogged Nozzle

In most cases clogged nozzle cause an E04 error code in the Bosch dishwasher. If you are regularly cleaning the dishwasher but still nozzle is getting blocked.

Then, there must be a problem with your water. If your water contains a high amount of minerals, it can cause a clog issue in your dishwasher. 

There is no exact solution to fix the hard water problem, but you can use the filter. You can connect the filter to the water supply pipe.

It can control up to 50% of the minerals inside the dishwasher equipment. 

How to fix the E04 error code in the Bosch dishwasher?

Before fixing this problem, first, you need to locate the issue causing the error code in the dishwasher.

Once you locate the issue, you can quickly resolve the problem with your dishwasher. There are different ways to fix the E04 error code in the Bosch dishwasher. 

If the flow sensor is damaged, you need to replace the sensor. Then only the issues get fixed on your dishwasher.

Check these solutions if the flow sensor is working and the dishwasher still shows the E04 error code.  

Reset the dishwasher

The first thing I recommend you to reset the dishwasher. Sometimes the glitch inside the dishwasher can also cause the dishwasher to show an E04 error code.

Therefore, make sure to reset your dishwasher once and see if the problem persists or not. If you don’t know how to reset the Bosch dishwasher, I recommend you check the dishwasher user manual. 

In the dishwasher user manual, you can find step-wise instructions to reset the dishwasher. There are mainly two ways to reset the dishwasher one is automatic, and one is manual methods.

If you don’t have a dishwasher user manual, you can consider the manual method to reset the dishwasher. Here is the step-wise instruction to reset the Bosch dishwasher. 

1. First of all, clean all food debris and ensure the dishwasher needs to be neat and clean. 
2. After you clean the dishwasher now, remove the dishes from the dishwasher. 
3. After this, remove the power cord from the power source. Once you remove the power cord, wait for 10-15 minutes. 
4. Once the wait is over, plug the power cord and see if the problem persists or not. 

If the problem persists, check the next solution from the article. There might be a different cause for this problem. 

Remove clog

If the resetting method didn’t work, consider removing the dishwasher filter’s clog. In some cases, the clogged filter also triggered the E04 error code in the dishwasher.

Therefore, ensure proper cleaning inside the dishwasher, and there should not be food particles, debris, and clog inside the dishwasher filter.

Here is the step-wise process to clean and remove a clog from the Bosch dishwasher. 

1. Remove the power cable and water supply pipe from the dishwasher. 
2. Once you are done removing the power cable and water supply pipe, open the dishwasher door. 
3. Remove the lowermost panel of the dishwasher and then open the dishwasher drain compartment.
4. In some models, you can directly remove the mesh filter without removing the drain compartment. 
5. After removing the drain compartment filter, remove the mesh filter and use a saltwater solution. 
6. Clean food particles and debris thoroughly. 
7. Once you are done cleaning, reinstall the mesh filter and drain compartment filter. 
8. Put the dishwasher on the rack.
9. Plug the power cable and water supply pipe, and then restart the dishwasher. 

If the problem persists, I recommend you check the dishwasher’s drain hose. Remove the drain hose from the garbage disposal. Now remove the food debris present inside the drain hose. If the problem is still not solved, check the next

solution from the list. 

Clean nozzle

A dirty nozzle or clogged nozzle can also cause the dishwasher to display an E04 error code in the dishwasher.

I recommend you check the dishwasher nozzle. The dishwasher nozzle is located at the bottom of the dishwasher.

If your water contains a high amount of minerals, then there is a high chance of a clogged nozzle. 

You can easily remove and clean the dishwasher by the following couple. Here is the step-wise solution to clean the dishwasher nozzle. 

1. Remove the power supply cable and water supply pipe passing water into the dishwasher.
2. Open the dishwasher door and then remove the lower past utensils rack. 
3. Now remove the sprinkler. Depending upon the dishwasher model, you may require to remove the screw while removing the sprinkler.
4. Once you remove the sprinkler, use a sharp object, clean the sprinkler nozzle properly, and rinse it under running water. 
5. Once you are done with cleaning the sprinkler, reinstall it on the dishwasher and restart the cycle. 

If the error code E04 persists on your dishwasher, I recommend you to check the next method. 

What to do if the error persists?

If you’ve tried all the above-discussed solutions but the problem persists. Then, I recommend you to call dishwasher technicians or the customer service center.

If your warranty period is not over, you can repair your laptop free of cost. Therefore, I recommend you check your warranty card and see if the warranty period is over or not. 

If you are out of reach to support, you can call technicians to fix the issue with the dishwasher.

Besides this, you also need to maintain proper care of the dishwasher to avoid such problems in the future.

A dishwasher needs to be clean in order to function smoothly. Similarly, use the dishwasher on the recommended settings and never use detergent having high suds. It can also cause the dishwasher to encounter an E04 error. 

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Conclusion

I hope that the article was helpful in figuring out the problem behind the Bosch Dishwasher Error Code E04.

E04 error code is mainly encountered when there is an issue with the flow sensor.

The dishwasher’s flow sensor helps the dishwasher maintain the proper water flow inside the dishwasher. 

Any issue on the dishwasher flow sensor or the water supply can trigger an E04 error code in the dishwasher.

Last but not least, if the problem is still not solved, I recommend you to call dishwasher technicians to fix the issue on your dishwasher.

Besides this, if you have any problem related to the Bosch dishwasher, drop your problem down below in the comment. 

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