What Does E22 Mean On Bosch Dishwasher

If you’ve ever encountered the perplexing error code E22 on your Bosch dishwasher, you’re not alone. Modern dishwashers are equipped with advanced technology that can sometimes lead to error codes, which can be frustrating for users. In this article, we’ll delve into the meaning of the E22 error code on Bosch dishwashers, explore its potential causes, and provide you with actionable steps to troubleshoot and resolve the issue.

The Role of Error Codes

Modern dishwashers are designed to make our lives easier, but they also come with complex internal systems. Error codes, like E22, are the dishwasher’s way of communicating with us when something goes awry. These codes are designed to help both users and technicians identify the underlying issue quickly.

Decoding the E22 Error Code

The E22 error code on Bosch dishwashers typically relates to a drainage problem. It indicates that the dishwasher’s drain pump is not functioning as expected. This can lead to water not being properly drained from the appliance after a wash cycle.

Potential Causes of the E22 Error Code

1. Clogged Drainage System

One common cause of the E22 error is a clogged drainage system. Over time, debris, food particles, and even small objects can find their way into the dishwasher’s drainage components, impeding the flow of water.

2. Faulty Drain Pump

A malfunctioning drain pump can trigger the E22 error. If the pump fails to expel water efficiently, the dishwasher’s internal sensors detect the issue and display the error code.

3. Kinked or Blocked Drain Hose

A kinked or blocked drain hose can prevent proper water drainage. This can happen if the hose is not installed correctly or if an obstruction is present.

4. Sensor Issues

Sometimes, the error code might be triggered by a faulty sensor that incorrectly detects a drainage problem. In such cases, a reset or sensor replacement might be necessary.

Troubleshooting and Resolving the E22 Error

1. Check the Drainage System

Inspect the drainage components, including the filter, drain pump, and drain hose. Clean out any debris or obstructions that might be causing the issue.

2. Test the Drain Pump

If the drain pump is not functioning, it might need to be replaced. Consult the user manual for guidance on testing the pump and replacing it if necessary.

3. Examine the Drain Hose

Ensure that the drain hose is properly installed and free from kinks or blockages. Straighten out any kinks and clear any obstructions.

4. Reset the Dishwasher

Sometimes, a simple reset can resolve the error. Turn off the dishwasher, unplug it, wait for a few minutes, and then plug it back in. Restart the dishwasher and check if the error persists.


Encountering the E22 error code on your Bosch dishwasher can be frustrating, but armed with the knowledge provided in this article, you’re better equipped to tackle the issue. By understanding the potential causes and following the troubleshooting steps, you can get your dishwasher back to its efficient self in no time.


Q: Can I fix the E22 error myself?

A: Yes, many E22 error cases can be resolved by following the troubleshooting steps outlined in this article.

Q: Do I need any special tools to fix the drain pump?

A: Basic household tools are usually sufficient for the task. However, refer to your user manual for any specific recommendations.

Q: Why does the drain pump get clogged?

A: Food particles, grease, and debris can accumulate over time, leading to a clogged drain pump.

Q: Is the E22 error code common?

A: The E22 error code is not uncommon, and it’s often related to drainage issues in dishwashers.

Q: If I’m unable to resolve the error, what should I do?

A: If the error persists after trying the troubleshooting steps, consider reaching out to Bosch customer support or a professional technician for assistance.

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