How to Fix Bosch Dishwasher Error Code E15?

Many people wish to know how to fix Bosch Dishwasher Error Code E15, here we have provided the causes and the fixes of “Error Code E15” in the Bosch Dishwasher.

by P Nandhini

Updated May 17, 2023

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How to Fix Bosch Dishwasher Error Code E15?

What is Bosch Dishwasher Error Code E15?

Bosch, a renowned German company that produces a wide range of appliances and tools, including household dishwashers, occasionally encounters an E15 error code. But what does this error code signify? Let's explore the possible causes of the E15 error code on a Bosch dishwasher and learn how to fix it. In a Bosch dishwasher, the E15 error code indicates the accumulation of water at the machine's base.

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Specifically, water has gathered in the trough, activating the safety switch. Consequently, the dishwasher ceases its operation, and the E15 error message remains until it is reset. The E15 error is part of the dishwasher's leak protection system, designed to prevent the use of the dishwasher when water is detected where it shouldn't be, thus averting potential flooding on the kitchen floor.

To resolve this issue, the first step is to reset the E15 error code on your dishwasher. Once the reset is completed, you need to troubleshoot and address the root cause of the water accumulation at the bottom of the machine. Failure to do so will result in the recurring appearance of the E15 error message.

By following the appropriate troubleshooting measures and resolving the underlying issue, you can effectively fix the E15 error code on your Bosch dishwasher, ensuring its smooth operation and preventing any potential water-related problems.

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How to Fix Bosch Dishwasher Error Code E15?

Bosch Dishwasher Error Code E15 is a common issue that users may encounter while using a Bosch dishwasher. This error code indicates a problem with the water supply in the dishwasher. When the E15 error code appears on the display panel, it means that the dishwasher's anti-flood device has been activated.

If you're facing the Bosch Dishwasher Error Code E15, you can follow the steps below to troubleshoot and resolve the issue:

  1. Turn off the dishwasher: First, turn off the dishwasher and unplug it from the power supply. This ensures your safety while working on the appliance.

  2. Check for water leakage: Inspect the dishwasher for any visible signs of water leakage. Look for water pooling at the bottom of the dishwasher or underneath it. If you find any leaks, identify the source and address it accordingly. Common areas of leakage include the water inlet valve, hoses, and connections.

  3. Examine the Aquastop system: The Aquastop system is designed to prevent water leakage in Bosch dishwashers. Check if the system has been activated due to false leak detection. Look for any kinks or damage in the water supply hose. Additionally, inspect the safety valve and sensor for any faults or malfunctions. If necessary, replace the faulty components.

  4. Clean the drainage system: A blocked or clogged drainage system can trigger the E15 error code. Start by checking the dishwasher's filter and removing any debris or food particles. Next, examine the drain hose for obstructions and clear them if present. Additionally, inspect the dishwasher's drain pump for any clogs and clean it if necessary.

  5. Reset the dishwasher: After performing the above steps, reset the dishwasher to see if the error code clears. Simply turn on the dishwasher and initiate a new cycle. If the error code does not reappear, it indicates that the issue has been resolved.

  6. Contact customer support or a technician: If you have followed the troubleshooting steps and the E15 error code persists, it is recommended to contact Bosch customer support or a qualified technician for further assistance. They can provide specific guidance based on the model of your dishwasher and help resolve the issue effectively.

It's important to note that these steps are general guidelines and may vary based on the specific model of your Bosch dishwasher. Always refer to the appliance's user manual or manufacturer's instructions for detailed information on troubleshooting and resolving error codes.

Cause of Bosch Dishwasher Error Code E15

Resetting the mentioned error code will restore the functionality of your dishwasher. However, unless you address the underlying cause, the problem will reoccur. Excessive soap usage, a sump basin leak, a leak in the water tank or hoses, and broken fixtures within the dishwasher can lead to unwanted water in the dishwasher trough.

Excess Dishwashing Soap or Detergent

When using your Bosch dishwasher, it is crucial to add the appropriate amount of soap or detergent as instructed on the bottle. The dishwasher's water supply is automated, but the soap or detergent is manually added, so it is important to follow the recommended dosage.

Sump Basin Leak

The sump basin, located at the lowest part of the dishwasher, collects dirty water before it is drained from the main compartment. A leak in the sump basin can cause water to accumulate in the dishwasher trough.

Leaking Water Tank or Hoses

Bosch dishwashers have water tanks and hoses responsible for supplying and circulating clean water for washing and draining dirty water from the machine. Any leaks in the water tank or hoses can result in water pooling at the bottom of the dishwasher.

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Broken Fixtures

In addition to tanks and hoses, Bosch dishwashers have various fixtures that guide the flow of water. These fixtures ensure proper water distribution and circulation for optimal performance. If any of these fixtures are broken or malfunctioning, it can disrupt the flow of water and contribute to the E15 error code.

By addressing these potential causes, such as using the correct amount of soap, fixing leaks, and repairing broken fixtures, you can prevent water accumulation in the dishwasher trough and resolve the E15 error code.



Disclaimer: The above information is for general informational purposes only. All information on the Site is provided in good faith, however we make no representation or warranty of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, availability or completeness of any information on the Site.

How to Fix Bosch Dishwasher Error Code E15? - FAQs

1. What does Bosch Dishwasher Error Code E15 indicate?  

The E15 error code indicates the accumulation of water at the base of the dishwasher, triggering the safety switch and preventing the dishwasher from operating.

2. What are the common causes of Bosch Dishwasher Error Code E15?  

The E15 error code can be caused by excessive soap usage, a sump basin leak, a leak in the water tank or hoses, or broken fixtures within the dishwasher.

3. How can I avoid excessive soap usage in my Bosch dishwasher?  

It is important to follow the recommended dosage of soap or detergent as instructed on the bottle to prevent excessive soap usage.

4. What should I do if I have followed the troubleshooting steps and the E15 error code persists?    

If the E15 error code persists after following the troubleshooting steps, it is advisable to contact Bosch customer support or a qualified technician for further assistance.

5. Why is it important to address the underlying cause of the E15 error code?  

Addressing the underlying cause is crucial to prevent the error code from recurring and to ensure the proper functioning of your Bosch dishwasher.

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