Bosch Dishwasher control panel not lighting up is a common issue that can be caused by a faulty power supply or a malfunctioning control board. We will explore the possible reasons behind this problem and guide you on how to troubleshoot and resolve it.

A non-functioning control panel can be frustrating, but with the right steps, you can get your Bosch Dishwasher back up and running smoothly. Whether it’s a simple fix or a more complex repair, we will provide you with the information you need to tackle this issue effectively.

So let’s dive in and get your Bosch Dishwasher control panel lights back on.

1. Common Causes For Bosch Dishwasher Control Panel Lights Not Working

Bosch dishwasher control panel lights not working? There are common causes for this issue. One possible cause is a loose power connection. Ensure that the dishwasher is properly plugged in and the power supply is functioning correctly. Another cause could be a faulty control panel.

Check for any signs of damage, such as cracks or loose wires. If the control panel is defective, it may need to be replaced. Lastly, a defective control board could also be the culprit. This component controls the function of the control panel lights.

If the control board is faulty, it may need to be repaired or replaced. Remember to always consult a professional if you are unsure about any repairs or replacements needed for your Bosch dishwasher.

Bosch Dishwasher No Lights on Control Panel: Troubleshooting Tips for a Dark Display


Loose Power Connection

Are you facing an issue with your Bosch dishwasher where there are no lights on the control panel? One possible reason could be a loose power connection. It is recommended to check the power cord for any loose connections. Additionally, ensure that the power outlet is functioning properly.

A faulty power connection can prevent the control panel lights from turning on, causing the dishwasher to not work correctly. By examining and rectifying any loose connections, you can restore power to the dishwasher and resolve the issue with the control panel lights.

Keep in mind that a stable power connection is essential for the dishwasher to operate effectively.

Faulty Control Panel

The Bosch dishwasher control panel may appear to have no lights if it is faulty. To determine if the control panel is the issue, inspect it for any physical damage. Look for cracked or broken buttons, or any signs of water damage.

Additionally, test the control panel components for functionality. Press each button to check if there is any response or if they are stuck. Also, examine the display to see if it is blank or flickering. If the control panel is indeed faulty, it may need to be replaced to restore the proper functioning of the dishwasher.

Regular maintenance and cleaning can help prevent such issues.

Defective Control Board

A potential issue with your Bosch dishwasher may be a defective control board. To confirm this, first check the control board for any visible signs of damage. Then, proceed to test the control board circuits and connections. This will help determine if the control board is the cause for the lack of lights on the control panel.

If you notice any faults or malfunctions during these tests, it may be necessary to replace the control board. However, it is advisable to consult a professional technician to ensure accurate diagnosis and proper replacement if needed. A skilled technician will be able to provide the best solution for your specific dishwasher issue.

2. Troubleshooting Steps For Resolving Bosch Dishwasher Control Panel Display Issues

Bosch dishwasher control panel not lighting up can be resolved by following a few troubleshooting steps. First, perform a power reset by turning off the dishwasher and unplugging it from the power source for a few minutes. Next, check for any error codes that may be displayed.

Refer to the user manual or Bosch’s website to understand the meaning of the error codes and how to resolve them. Lastly, try running the dishwasher in diagnostic test mode to identify any underlying issues. This mode allows you to test different components of the appliance and can provide helpful insights.

By following these steps, you can potentially resolve the control panel display issues on your Bosch dishwasher.

Perform A Power Reset

Perform a power reset by turning off the dishwasher and unplugging it. Give it a few minutes before plugging it back in and turning it on.

Check For Error Codes

Bosch dishwashers are equipped with an error code system to help troubleshoot issues. To identify the error code, refer to the user manual provided with your dishwasher. Each error code corresponds to a specific problem, and the manual will provide instructions on how to address it.

Whether it is an issue with the control panel or any other component, the error code will guide you in the right direction for troubleshooting. By following the provided instructions, you can resolve the problem and restore the normal functioning of your Bosch dishwasher.

Remember, the user manual is your go-to resource for identifying and addressing error codes. So, make sure to consult it for proper troubleshooting guidance.

Run Diagnostic Test Mode

To access the diagnostic mode on a Bosch dishwasher when there are no lights on the control panel, follow these steps. First, make sure the dishwasher is turned off. Then, press and hold the Start button while turning the dishwasher on.

After a few seconds, release the Start button and press it again. This will initiate the diagnostic test mode. Depending on the model, the dishwasher may display error codes or run various tests. Pay attention to any indicators or sounds that might help identify potential issues.

If you encounter any problems during the test mode, consult the dishwasher’s manual or contact customer support for further assistance. Remember to follow the instructions carefully to properly diagnose and troubleshoot the dishwasher.

3. Additional Tips And Maintenance For Bosch Dishwasher Control Panel Display

Regularly cleaning the control panel of your Bosch dishwasher is essential to ensure its longevity and performance. Excessive moisture can damage the panel, so it’s crucial to protect it from any potential water splashes or leaks. By doing so, you can prevent any potential issues with the lights on the control panel not illuminating.

To maintain the control panel display, wipe it gently with a soft cloth and a mild detergent, avoiding any abrasive cleaners. If the lights on the control panel still fail to turn on, despite proper maintenance, it may indicate a more significant problem.

In such cases, it’s recommended to schedule a professional service to diagnose and repair the issue promptly. Taking these additional tips and maintenance measures will help keep your Bosch dishwasher’s control panel in excellent condition and ensure optimal functionality.

Clean Control Panel Regularly

Regularly clean the control panel of your Bosch dishwasher with a damp cloth to prevent any build-up. Avoid using harsh chemicals or abrasive materials as they may damage the control panel. Keeping your control panel clean ensures it functions properly and extends its lifespan.

Maintaining a clean control panel also helps you identify any issues easily, such as if no lights are appearing on the control panel. By following this simple cleaning routine, you can ensure that your Bosch dishwasher operates smoothly and efficiently.

It’s important to care for your dishwasher to avoid any unnecessary repairs or malfunctions. Maintain a clean control panel and enjoy hassle-free dishwashing with your Bosch dishwasher.

Protect Control Panel From Excessive Moisture

To protect the control panel of your Bosch dishwasher from excessive moisture, it is essential to avoid splashing water directly on it. This can help prevent any issues with the lights on the control panel not working properly. Additionally, keeping the dishwasher door seal in good condition is crucial to prevent any leaks.

By regularly inspecting and cleaning the seal, you can ensure that it remains effective and prevents any water from leaking out. This simple maintenance tip can go a long way in ensuring that your Bosch dishwasher operates smoothly and efficiently.

So, remember to be mindful of moisture and take the necessary steps to protect the control panel for a hassle-free washing experience.

Schedule Professional Service If Needed

Bosch dishwasher control panel not lighting up? Troubleshooting didn’t work? Seek professional help for repair or replacement. Contact a qualified technician if needed.

Frequently Asked Questions On Bosch Dishwasher No Lights On Control Panel

Why Is My Bosch Dishwasher Not Having Lights?

If your Bosch dishwasher is not having lights, it could be due to a power supply issue or a malfunctioning control panel.

Why Is My Dishwasher Control Panel Not Lighting Up?

If your dishwasher’s control panel is not lighting up, it may be due to a power supply issue or a faulty control panel.

How Do I Reset My Bosch Dishwasher Control Board?

To reset your Bosch dishwasher control board, follow these steps: 1. Turn off the dishwasher by pressing and holding the power button for at least 3 seconds. 2. Unplug the dishwasher from the power source or switch off the circuit breaker.

3. Wait for 10 minutes to allow the control board to reset. 4. Plug the dishwasher back in or switch on the circuit breaker. 5. Turn on the dishwasher and check if the control board has been reset. Remember to consult the dishwasher’s manual or contact Bosch customer support for specific instructions.

How Do I Test My Bosch Dishwasher Control Board?

To test your Bosch dishwasher control board, follow these steps: 1. Disconnect power by unplugging the dishwasher or turning off the circuit breaker. 2. Open the dishwasher door and locate the control board, usually found at the top. 3. Check for any visible signs of damage or burnt connections on the board.

4. Use a multimeter to measure the continuity of different components on the control board. 5. Compare the readings with the manufacturer’s specifications to determine if the board is faulty. 6. If the control board fails the tests or shows signs of damage, it may need to be replaced.


If you are facing the issue of no lights on the control panel of your Bosch dishwasher, there are several possible causes and solutions. Firstly, check the power supply and ensure it is connected properly. Next, inspect the door latch and ensure it is securely closed.

If these basic steps do not resolve the issue, it may be necessary to check the circuit board for any signs of damage or wear. Additionally, a faulty control panel itself can also be the culprit. In such cases, it is advisable to consult a qualified technician for further diagnosis and repair.

Remember, regular maintenance and proper usage of your dishwasher can help prevent such issues from occurring in the first place. By following these troubleshooting steps, you can easily restore the functionality of your Bosch dishwasher and enjoy hassle-free dishwashing.

Categories: Home & Garden


Hi, my name is Gabrielle. I have been into Automotive Industry for over 15 years. If you’re anything like me, then building, maintaining and improving your Automotive Industry/Projects is all part of the Automotive experience. My goal with this blog is to share my experience with and help you discover new and exciting things about Automotive.