Bosch Dishwasher Troubleshooting Tips

Having a dishwasher at home can greatly simplify your kitchen chores. Bosch dishwashers are known for their reliability and performance. However, like any other appliance, they can experience issues from time to time. In this article, we will provide you with troubleshooting tips to help you resolve common problems with your Bosch dishwasher.

Bosch Dishwasher Common Issues and Solutions

  • Dishwasher Not Starting
  • Poor Cleaning Performance
  • Water Not Draining
  • Excessive Noise

Dishwasher Not Starting

One of the most frustrating problems you may encounter is when your Bosch dishwasher fails to start. Before panicking, try the following solutions:

  • Check if the dishwasher is properly plugged in and the power supply is functioning.
  • Ensure that the door is closed and latched securely.
  • Check the control panel for any error codes or indicators.

If the issue persists, consult the user manual or consider contacting Bosch customer support for further assistance.

Poor Cleaning Performance

If your dishes are not coming out as clean as they should, try these troubleshooting steps:

  • Make sure you are using the recommended dishwasher detergent and that it is fresh.
  • Check if the spray arms are clogged or damaged. Clean or replace them if necessary.
  • Verify that the dishwasher is loaded correctly, allowing proper water circulation.
  • Consider using a dishwasher cleaner to remove any buildup or residue inside the dishwasher.

Water Not Draining

When you notice standing water in the bottom of your dishwasher, you can follow these steps:

  • Check if the drain hose is kinked or clogged. Straighten or clean it as needed.
  • Ensure that the garbage disposal, if connected, is clear and functioning properly.
  • Examine the dishwasher’s air gap, if present, and clean it if necessary.
  • Inspect the dishwasher’s drain pump for any blockages or malfunctions.

Excessive Noise

Unusual noises during the dishwasher’s operation can be bothersome. Try these solutions:

  • Check for any loose items, such as utensils or small objects, that may be causing the noise.
  • Verify that the dishwasher is properly leveled and that it is not making contact with surrounding cabinets or walls.
  • Inspect the spray arms, filters, and other internal components for any obstructions or damage.
  • If the noise persists, consider consulting a professional technician for further evaluation.
Americas Top 3 Best Bosch Dishwasher United States of America 2020 Bosch Dishwasher Troubleshooting Tips

Bosch Dishwasher Troubleshooting Steps

  • Check Power Supply
  • Ensure Proper Loading
  • Clean Filters and Spray Arms
  • Verify Water Inlet
  • Inspect Drain Hose
  • Examine Dishwasher Components

Check Power Supply

Before proceeding with any troubleshooting, ensure that your Bosch dishwasher is receiving power. Check if the dishwasher is properly plugged in and if there are any issues with the electrical outlet or circuit breaker.

Ensure Proper Loading

Improper loading can affect the dishwasher’s performance. Make sure you distribute the dishes evenly and do not overcrowd the dishwasher. Ensure that larger items do not obstruct the spray arms.

Clean Filters and Spray Arms

Clogged filters and spray arms can hinder proper water flow and cleaning performance. Regularly clean these components by removing them and rinsing them under running water. Use a soft brush to remove any stubborn debris.

Verify Water Inlet

Check if the water inlet valve is fully open and free from any obstructions. Ensure that the water supply line is not kinked or damaged. If necessary, clean the inlet valve screen to remove any buildup.

Inspect Drain Hose

A clogged or improperly installed drain hose can prevent water from draining properly. Inspect the drain hose for any kinks, clogs, or damage. Straighten the hose or clean it if needed.

Examine Dishwasher Components

Inspect the dishwasher’s internal components, such as the motor, pump, and float switch, for any signs of damage or malfunction. If you notice any issues, it is advisable to seek professional assistance for repair or replacement.

Maintenance Tips for Preventing Issues

To keep your Bosch dishwasher in optimal condition and prevent future problems, consider the following maintenance tips:

  • Regularly clean the dishwasher’s interior, including the filters and spray arms.
  • Use dishwasher-safe utensils and avoid placing items that are not dishwasher-friendly.
  • Run the dishwasher on a regular basis to prevent stagnant water and residue buildup.
  • Check and clean the dishwasher’s door gasket to ensure a proper seal.
  • Follow the manufacturer’s instructions for descaling the dishwasher if you live in an area with hard water.

By following these maintenance practices, you can extend the lifespan of your Bosch dishwasher and reduce the likelihood of encountering issues.

How often should I clean the filters in my Bosch dishwasher?

It is recommended to clean the filters at least once a month to maintain optimal performance.

Why is my Bosch dishwasher not drying the dishes properly?

Ensure that you are using a rinse aid and selecting the appropriate drying option on your dishwasher. Also, check if the heating element is functioning correctly.

Can I use regular dish soap in my Bosch dishwasher?

No, regular dish soap is not suitable for use in a dishwasher. Only use dishwasher detergent specifically designed for automatic dishwashers.

How long should a Bosch dishwasher typically last?

With proper maintenance and care, a Bosch dishwasher can last for approximately 10 to 15 years.

What should I do if my Bosch dishwasher displays an error code?

Refer to the user manual for the specific error code and follow the recommended troubleshooting steps. If the issue persists, contact Bosch customer support for further assistance.


In conclusion, Bosch dishwashers are reliable appliances, but occasional troubleshooting may be necessary to address common problems. By following the tips provided in this article, you can resolve issues such as dishwasher not starting, poor cleaning performance, water not draining, and excessive noise. Additionally, practicing regular maintenance can help prevent future problems and keep your dishwasher running smoothly.

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