Bosch Dishwasher Red Light Flashing : Quick Fixes

The bosch dishwasher red light flashing indicates that the dishwasher is unable to complete its cycle due to a malfunction or an error. To resolve this issue, you should first turn off the power to the dishwasher and check for any potential blockages or obstructions in the dishwasher’s filter or spray arms.

Dishwashers are an essential appliance in most households that can save time and energy, but it’s essential to know how to troubleshoot issues that arise. One of the most common problems with bosch dishwashers is the red light flashing, which indicates an error that requires attention from the user.

This article will explain what the red light flashing means and how to fix the issue in some simple steps. By adhering to these guidelines, you can quickly resolve the issue and have your dishwasher up and running in no time.

Bosch Dishwasher Red Light Flashing

Understanding The Bosch Dishwasher Red Light Flashing Issue

The bosch dishwasher is a popular choice for many households. However, if you encounter the red light flashing issue, it can be quite frustrating. Understanding the issue and its common reasons can help you resolve the problem efficiently.

Identifying The Issue

Identifying the issue may seem difficult, but it is crucial to know what’s causing the red light to flash. Here are a few steps to help you identify the issue:

  • Look for the error code: The flashing red light is an indicator of an error code message. Check the control panel for an error code number to help identify the issue.
  • Check the filters: A clogged filter is the most common issue that causes the red light to flash. Check the dishwasher filters and clean them thoroughly.
  • Check the drain hose: Ensure that the drain hose is properly connected to the dishwasher and the sink. Any kinks or obstructions in the hose may cause water to back up in the dishwasher, causing the red light to flash.

Common Reasons For The Flashing Light

The bosch dishwasher red light flashing issue can be due to several common reasons. Here is a list of the most common reasons and their explanation:

  • Blocked filters: A blocked or dirty filter can cause the dishwasher to malfunction. The filter system needs to be cleaned regularly to stop this from happening.
  • Improperly loaded dishes: Overloading the dishwasher or placing dishes in the wrong position can cause the water to spray unevenly, leading to a flashing red light. Make sure you don’t overload the dishwasher and place the dishes correctly.
  • Drainage issues: If the dishwasher’s drain or drain pump is clogged, the dishwasher won’t function properly, causing the red light to flash. Clean the drain and drain pump regularly to ensure it’s working correctly.
  • Malfunctioned sensor: A malfunctioned sensor may misinterpret the level of water or detergent and cause the red light to flash. Contact a bosch technician to check and replace the sensor if necessary.

Identifying and understanding the causes of the bosch dishwasher’s red light flashing issue can help you troubleshoot and solve the problem efficiently. If these basic troubleshooting steps don’t work, it’s a good idea to contact a professional to help fix the problem.

Quick Fixes For Bosch Dishwasher Red Light Flashing

If you own a bosch dishwasher, you may have experienced the red light flashing issue. This issue can occur due to several reasons such as power supply, drainage system, and control panel. But, you do not have to worry about this issue anymore, as we have gathered some quick fixes to solve the bosch dishwasher red light flashing issue.

Checking The Power Supply And Connections

  • Check if the dishwasher is properly connected to the power supply.
  • Make sure that the circuit breaker switch is turned on, and the outlet is working correctly.
  • If you find any issue with the power supply or connection, call a professional electrician to fix the problem.

Inspecting The Dishwasher Filter And Cleaning It

  • Locate the dishwasher filter at the bottom of the tub.
  • Remove the filter and clean it under running water. Make sure to remove all the debris and food particles.
  • After cleaning the filter, place it back to its position properly.

Removing Any Clogs Or Debris From The Dishwasher’S Drain Hose

  • Turn off the power supply and disconnect the dishwasher from the outlet.
  • Locate the drain hose at the back of the dishwasher.
  • Check for any clogs or debris in the drain hose. Remove the debris if any.
  • Connect the drain hose securely after cleaning.

Resetting The Control Panel

  • Turn off the dishwasher and unplug it from the outlet.
  • Wait for a few minutes, and plug the dishwasher back to the outlet.
  • Press and hold the start button for three to five seconds.
  • Release the start button after the time elapses and wait for the dishwasher to reset.

By following these quick fixes, you can resolve the bosch dishwasher red light flashing issue. However, if the issue persists, it would be best to call a professional to fix the dishwasher.

Advanced Fixes For Bosch Dishwasher Red Light Flashing

Have you recently noticed that the red light on your bosch dishwasher keeps flashing? If so, don’t worry, because there are some advanced fixes you can try to solve this issue. This article will guide you through the steps to take, ensuring you can enjoy your sparkling-clean dishes once again.

Checking Temperature Sensor And Replacing If Necessary

The primary cause of a bosch dishwasher’s red light flashing is a faulty temperature sensor. If this sensor isn’t working correctly, it can’t detect the water’s temperature. As a result, the dishwasher won’t proceed to the next cycle and thus cause the red light to blink.

Here are the key points to check when it comes to the temperature sensor:

  • Locate the temperature sensor on the dishwasher. It’s typically located in the tank or sump of the dishwasher.
  • Use a multimeter to test the temperature sensor’s resistance. The sensor should have a resistance of around 1.37k ohms at room temperature.
  • If the temperature sensor’s resistance doesn’t match the specified value, replace the sensor.

Checking And Replacing The Dishwasher Heating Element

The heating element of the dishwasher is responsible for heating the water to the proper temperature. If the heating element malfunctions, it can cause the water not to heat, resulting in the red light flashing. Here are the key points to check:

  • Locate the heating element on the dishwasher’s sump.
  • Use a multimeter to test the heating element’s resistance. It should have a resistance of around 15-30 ohms.
  • If it doesn’t have the expected reading, replace the heating element.

Inspecting The Dishwasher’S Circulation Pump And Motor

A defective circulation pump and motor can cause the dishwasher’s red light to flash. These components work together to circulate water throughout the dishwasher’s system. Here are the key points to check:

  • Locate the dishwasher’s circulation pump and motor. It’s usually located at the bottom of the dishwasher.
  • Check that both components work by observing if water is running through the system.
  • If there’s no water running, disconnect the dishwasher’s power supply and remove any debris that may be blocking the pump or motor.

Checking The Inlet Valve

Water coming into the dishwasher passes through an inlet valve. This valve regulates the flow of water into the dishwasher. If the valve doesn’t work appropriately, the dishwasher won’t receive enough water to properly operate, causing the red light to blink.

Here are the key points to check:

  • Locate the inlet valve where water enters the dishwasher.
  • Check the valve’s filters to ensure they’re not clogged.
  • Test the valve’s resistance with a multimeter. It should read approximately 2k ohms.
  • If the readings are different and the filters are clogged, clean or replace the valve.

By following these advanced fixes, you can solve your bosch dishwasher’s red light flashing issue and return to enjoying perfectly clean dishes. Remember to take caution while proceeding with these repairs and always disconnect the dishwasher’s power supply before beginning any work.

How To Prevent The Bosch Dishwasher Red Light Flashing Issue

If you own a bosch dishwasher and have noticed the red light flashing, you may be wondering what the problem is and how to prevent it from happening again. Fortunately, this issue can often be resolved with some simple maintenance tasks and the right cleaning agents.

In this blog post, we will explore some tips for maintaining your bosch dishwasher and preventing the red light flashing issue.

Tips For Maintaining A Bosch Dishwasher

  • Run hot water in the sink before starting the dishwasher to ensure that the water entering the dishwasher is hot and helps to break down the detergent.
  • Avoid overcrowding the dishwasher, as this can prevent water and detergent from reaching all the dishes effectively and can cause dishes to chip or break.
  • Check and clean the dishwasher’s filters regularly. Clogged filters can prevent water from draining properly and can cause the red light to flash.
  • Inspect the dishwasher’s spray arm and clean any blockages or debris that may be preventing the water from spraying effectively.
  • Use rinse aid to help prevent residue buildup and improve drying performance.

How Often To Clean The Dishwasher And Its Components

  • Clean the dishwasher’s interior once a month to remove any residue or buildup. Use a soft cloth or sponge and a mild cleaning solution to wipe down all surfaces, including the door and gasket.
  • Check and clean the filters on a weekly basis, especially if you use your dishwasher frequently.
  • Inspect and clean the spray arm every few months or as needed.

Recommended Cleaning Agents For The Dishwasher

  • Use a dedicated dishwasher cleaner once every three months to remove any buildup or residue in the dishwasher’s interior.
  • Avoid using abrasive cleaners or scrubbers, as they can cause scratches or damage to the dishwasher’s surfaces.
  • Use a dishwasher detergent that is specifically designed for your dishwasher model.

By following these tips for maintaining your bosch dishwasher, you can help prevent the red light flashing issue and ensure that your dishwasher performs at its best. Remember to clean the filters and spray arm regularly and use the right cleaning agents for your dishwasher.

With these simple steps, you can keep your bosch dishwasher in top condition and enjoy clean, sparkling dishes every time.

Frequently Asked Questions On Bosch Dishwasher Red Light Flashing

Why Is The Red Light Flashing On My Bosch Dishwasher?

The red light on your bosch dishwasher may be flashing due to a variety of reasons such as a faulty door, a clogged drain, or a malfunctioning heating element.

How Do I Reset The Red Light On My Bosch Dishwasher?

To reset the red light on your bosch dishwasher, turn off the power for at least one minute, then turn it back on again. If the problem persists, try cleaning the filters or calling a professional for help.

How Do I Clean The Filters On My Bosch Dishwasher?

To clean the filters on your bosch dishwasher, turn off the power and remove the filters from the bottom of the dishwasher. Rinse them thoroughly with warm water and a mild detergent, then replace them back into the dishwasher.

Why Won’T My Bosch Dishwasher Start?

If your bosch dishwasher won’t start, ensure that the power supply is connected and the door is properly latched closed. If those steps fail, check the circuit breaker to see if it has tripped and reset it if necessary.

What Should I Do If My Bosch Dishwasher Continues To Have Issues?

If your bosch dishwasher continues to have issues, it may be time to call a professional repair service. Do not attempt to fix the problem yourself if you are not experienced with dishwasher repair, as this can lead to further issues and possible safety hazards.


Overall, a bosch dishwasher red light flashing can indicate various issues, from minor ones such as a clogged filter or an open dishwasher door to more complex ones such as a defective water inlet valve, motor brushes, or control module.

Fortunately, most problems can be easily resolved by following the manufacturer’s instructions or calling in a professional technician to perform repairs when needed. While these unexpected issues can be frustrating, staying calm and taking the right steps to troubleshoot the problem can prevent further damage and costly repairs.

Just be sure to practice regular maintenance and address any small issues before they turn into bigger ones. With these tips in mind, you can continue enjoying your bosch dishwasher’s many benefits while keeping it functioning at optimal performance for years to come.

Leave a Comment