Bosch error code e24

Every appliance owner knows the frustration of an unexpected malfunction. If you own a Bosch dishwasher and have encountered the Bosch error code E24, you’re not alone. Recognizing the importance of your dishwasher in daily routines, we’ve delved deep to uncover the reasons behind this error and have brought forth step-by-step solutions to resolve it.

Understanding the Bosch Error Code E24

The Bosch error code E24 typically signals a drainage issue in your appliance. Simply put, your dishwasher is having trouble draining the water. Whether it’s a blockage or a pump issue, several factors could contribute to this predicament.

Bosch error code e24

Reasons Behind the Bosch Error Code E24

  1. Blocked Filters: One of the prevalent causes for the E24 error is accumulated debris and residues that obstruct the filter, causing drainage issues.
  2. Blocked Pump: Sometimes, foreign objects or food particles can get lodged inside the pump, hindering its function and leading to poor drainage.
  3. Kinked Drain Hose: A drain hose that is bent or kinked can restrict water flow, causing the E24 error to manifest.
  4. Air Gap Blockage: If your dishwasher setup includes an air gap to prevent water backflow, blockages in this component can result in the E24 error.
  5. Faulty Drain Pump: In some instances, the drain pump itself might be malfunctioning or broken, which can prevent efficient water drainage.

How to fix bosch error code E24?

Fix 1: Cleaning the Blocked Filters

A blocked filter is among the primary reasons why the E24 error manifests in Bosch dishwashers. Over time, food remnants, soap residues, and other particulates can accumulate in the filter, hindering efficient water drainage. Regular maintenance and cleaning can prevent such obstructions. Here’s a step-by-step guide to tackle this issue:

  1. Turn Off the Appliance: Before any maintenance, safety comes first. Ensure your dishwasher is turned off and unplugged from its power source.
  2. Access the Dishwasher Base: Open the dishwasher door and carefully remove the bottom rack to access the filter area.
  3. Locate the Filter: At the base of your Bosch dishwasher, you’ll find a cylindrical filter. This component is responsible for trapping larger debris, preventing them from entering the drain.
  4. Remove the Filter: Twist the filter counter-clockwise (usually a quarter-turn should do) and then lift it upwards. Some Bosch models might have a securing mechanism, so refer to your user manual if you encounter resistance.
  5. Clean Thoroughly: Using warm water, rinse the filter to dislodge any debris. For stubborn particles or built-up residues, utilize a soft-bristle brush to scrub gently. Avoid using harsh chemicals or abrasive pads as these can damage the filter mesh.
  6. Inspect the Filter: Once cleaned, inspect the filter for any signs of damage. Tears, holes, or significant wear can compromise its function. If any such signs are evident, consider replacing the filter.
  7. Reinsert the Filter: Place the cleaned filter back into its original position, ensuring it sits snugly. Twist it clockwise to lock it in place.
  8. Reassemble the Dishwasher: Slide the bottom rack back into its position. Plug in and power on the dishwasher.
  9. Run a Quick Cycle: It’s a good practice to run a short rinse cycle after cleaning. This ensures that any dislodged debris is flushed out, and you can verify if the error has been resolved.

Regularly cleaning the filter, at least once a month or depending on usage, can significantly reduce the chances of encountering the Bosch error code E24.

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Fix 2: Addressing the Blocked Pump

Just like the filter, the pump in your Bosch dishwasher plays a pivotal role in draining water efficiently. If obstructed, the pump can be a significant contributor to the E24 error. Here’s how to check and clear any blockages in the pump:

  1. Ensure Safety First: Before diving in, make sure the dishwasher is turned off and unplugged. You never want to work on an appliance while it’s connected to power.
  2. Open and Access: Open your dishwasher and pull out the bottom rack, granting you clear access to the base where the pump is located.
  3. Locate the Pump Cover: In the bottom center of the dishwasher, there’s a cover that shields the pump. This cover might have a few screws or can be twisted off depending on the model.
  4. Remove the Pump Cover: Gently unscrew or twist to remove the pump cover. Store the screws safely, ensuring they don’t fall into the drain.
  5. Inspect the Pump Area: With the cover off, take a flashlight and carefully inspect the pump area for any visible obstructions. Items like broken glass, bones, or larger food particles can sometimes get trapped.
  6. Clear Any Blockages: Using tweezers or needle-nose pliers, gently remove any debris or objects obstructing the pump. Ensure you get everything out to allow the pump to function efficiently.
  7. Test the Pump Rotation: With the obstructions removed, try rotating the pump impeller (it’s the part that looks like a fan). It should move freely without any hindrance. If it’s stuck or feels stiff, there might be something caught deeper inside, or the pump may be faulty.
  8. Replace the Pump Cover: Once you’ve ensured the pump is clear, reattach the pump cover. Secure it using the screws if necessary.
  9. Reposition the Bottom Rack: Slide the bottom rack back into the dishwasher.
  10. Power On and Test: Plug the dishwasher back in and run a short rinse cycle to ensure water drains properly and to check if the E24 error has been rectified.

Remember, the pump is a crucial component in the dishwasher’s drainage system. Keeping it clear of obstructions will not only prevent the Bosch error code E24 but will also ensure the longevity and efficiency of your appliance.

Fix 3: Resolving Issues with the Kinked Drain Hose

The drain hose serves as the exit route for the dirty water in your dishwasher. If it’s bent, twisted, or kinked, it can impede water flow, triggering the E24 error. Here’s a comprehensive guide to addressing this concern:

  1. Safety Above All: Begin by ensuring the dishwasher is turned off and unplugged from the mains. This precaution prevents any accidental startups.
  2. Access the Drain Hose: Depending on your setup, the drain hose can be accessed either from the front (by removing the kickplate) or the rear. You might need to gently pull the dishwasher out if it’s built-in.
  3. Inspect the Hose: Once you have access, inspect the hose’s entire length. Look for any sharp bends, kinks, or twists that may obstruct the water flow.
  4. Straighten the Hose: If you find any kinks, gently straighten the hose with your hands. Ensure it maintains a smooth path without any obstructions.
  5. Check for Clogs: Sometimes, it’s not just a kink causing the problem. The hose can have internal clogs. Hold the hose vertically to check if any water spills out, indicating a potential blockage.
  6. Clear the Hose: If you suspect an internal clog, detach the hose from both the dishwasher and the drain end. Run warm water through it. For stubborn blockages, you can use a long, flexible brush or a straightened coat hanger. Always be gentle to avoid damaging the hose.
  7. Reattach the Hose: Once you’ve ensured the hose is kink-free and clear of blockages, reattach it to both the dishwasher and the drain end. Make sure connections are snug and tight to prevent leaks.
  8. Reposition the Dishwasher: If you had pulled out the dishwasher, gently push it back into position, ensuring the hose remains kink-free as you do.
  9. Power and Test: After everything is in place, plug the dishwasher back in. Run a short cycle to check if water drains properly and to verify if the E24 error is resolved.

Maintaining a smooth and clear drain hose is essential. Periodic checks, especially if you’ve recently moved the dishwasher or had plumbing work done, can prevent issues related to the Bosch error code E24.

Fix 4: Handling the Air Gap Blockage

An air gap is a small device typically installed on the kitchen sink or countertop. It acts as a safety mechanism to prevent any backflow from the sink into the dishwasher. If this becomes blocked, it could lead to drainage problems, resulting in the E24 error. Here’s your guide to addressing an air gap blockage:

  1. Safety First: As always, start by ensuring the dishwasher is turned off and unplugged. This step is crucial to avoid any unexpected accidents.
  2. Identify the Air Gap: The air gap is usually a cylindrical metal or plastic item, often silver or chrome-colored, located near your faucet on the sink or countertop. It will have vented slots for air.
  3. Remove the Air Gap Cap: Most air gap caps can be twisted off or might have a snap mechanism. Gently remove the cap to expose the internal area.
  4. Check for Visible Blockages: Look inside the air gap for any obvious obstructions like food particles, debris, or buildup. The top area is a common spot for blockages.
  5. Clear the Blockage: Using a soft brush or cloth, gently clean the inside of the air gap. If there’s a more significant blockage deeper inside, a straightened coat hanger or a small brush can be helpful. Ensure you don’t push the debris further down.
  6. Inspect the Drainage Hose from Air Gap: The air gap connects to the dishwasher via a hose. Ensure this hose doesn’t have kinks or bends. Check its connection to both the air gap and the dishwasher.
  7. Flush with Water: To be thorough, you can pour a small amount of water into the air gap (using a funnel can be handy). The water should drain smoothly into the dishwasher or the disposal, depending on your setup.
  8. Reassemble the Air Gap: Once cleared, replace the air gap cap. Ensure it’s seated correctly and snugly in place.
  9. Power On and Test: Plug the dishwasher back in and run a brief cycle. Check if the E24 error has been rectified and if the water drains properly.

Regularly checking and cleaning the air gap can be a proactive step in ensuring seamless dishwasher performance. Remember, it’s not just about preventing the Bosch error code E24 but also about maintaining the overall health of your appliance.

Fix 5: Addressing a Faulty Drain Pump

The drain pump is a fundamental component of your Bosch dishwasher, responsible for pumping out the dirty water. If it’s malfunctioning or has become faulty, it can be a direct contributor to the E24 error. Here’s how to approach a potentially faulty drain pump:

  1. Safety Precaution: Before any maintenance tasks, ensure the dishwasher is completely powered off and unplugged.
  2. Access the Dishwasher Base: Open the dishwasher’s door and remove the bottom rack for better accessibility to the base.
  3. Locate the Drain Pump: At the base, typically near the center, you’ll find the drain pump, covered by its shield or housing.
  4. Check for External Blockages: Before concluding that the pump is faulty, inspect it for any visible debris or obstructions. Sometimes, a mere blockage might mimic a pump failure.
  5. Detach the Drain Pump: If no blockages are evident, you might need to detach the pump. Depending on your Bosch model, this may involve turning the pump counter-clockwise to unlock it or removing a few screws.
  6. Inspect the Pump: Once detached, examine the pump for any signs of wear, damage, or malfunction. The impeller should rotate freely without any obstructions.
  7. Test the Pump: If you have a multimeter, you can check the pump’s resistance. A reading outside the typical range (usually between 100-300 ohms) indicates a faulty pump.
  8. Replace if Necessary: If your inspections and tests suggest a malfunctioning pump, it’s best to replace it. Ensure you purchase a Bosch-compatible pump.
  9. Install the New Pump: Attach the new pump where the old one was located. Secure it firmly, either by twisting it into a lock position or using the screws.
  10. Reassemble the Dishwasher: Replace the bottom rack and ensure everything is back in its proper place.

Fix 6: Checking the Control Module for Electrical Issues

Sometimes, the Bosch error code E24 isn’t strictly a physical obstruction or component malfunction. Instead, it may be an electrical or software glitch in the dishwasher’s control module. Here’s how to inspect and potentially resolve this issue:

  1. Prioritize Safety: Make sure the dishwasher is turned off and disconnected from its power source. Working on electrical components requires extreme caution.
  2. Access the Control Panel: Typically located on the top inside edge of the door or behind the front panel, you’ll need to open the dishwasher door and possibly remove a few screws to access the control module.
  3. Inspect for Visible Damage: Look for any signs of burns, melted areas, or damaged components on the control board. This could indicate a short circuit or electrical malfunction.
  4. Check the Wiring Connections: The control module will have several wire connections leading to various parts of the dishwasher. Ensure all connections are secure and that no wires are loose or disconnected.
  5. Perform a Soft Reset: Sometimes, a simple reset can clear minor glitches. With the dishwasher off, press and hold the start button for about 3-5 seconds, then release. Wait for a few minutes before turning the dishwasher back on to check if the error is cleared.
  6. Consider a Hard Reset: If a soft reset doesn’t work, a hard reset might. To do this, disconnect the dishwasher from power (either unplug it or turn off the circuit breaker) for around 10 minutes. After reconnecting power, check the unit for the error.
  7. Test for Electrical Continuity: If you’re comfortable using a multimeter, you can check the board for continuity, ensuring that the electrical pathways are functioning correctly.
  8. Software Update: Some modern Bosch dishwashers allow for firmware updates. Refer to your user manual or the Bosch website to check if an update is available. Installing the latest software might resolve any glitches causing the error.
  9. Consider Replacement: If you’ve identified visible damage or if the above steps don’t clear the error, the control module itself might be faulty and may need replacement.
  10. Reassemble the Dishwasher: If you had removed any parts to access the control module, make sure to reattach them properly.
  11. Run a Test Cycle: After all checks and possible fixes, run a short cycle to see if the issue persists.

Remember, electrical components can be delicate, and incorrect handling can lead to further issues. If you’re unsure at any step, consulting a professional technician or the Bosch customer service might be the best course of action to address the Bosch error code E24.

Fix 7: Inspecting and Cleaning the Drain Valve

The drain valve is crucial in controlling the flow of water out of your dishwasher. If it’s stuck or not operating correctly, it can be a hidden culprit behind the E24 error. Here’s how to inspect and clean this often-overlooked component:

  1. Always Prioritize Safety: Ensure the dishwasher is entirely disconnected from its power source before proceeding.
  2. Open the Dishwasher: Start by opening the dishwasher door and removing the bottom rack to provide clearer access to the base.
  3. Locate the Drain Valve: Positioned typically near the drain pump, the drain valve has a gate arm mechanism that controls water flow.
  4. Inspect for Blockages: Over time, debris or particles can accumulate, preventing the gate arm from moving freely. Check for any visible signs of obstructions.
  5. Clean the Valve: Gently clean around the valve using a soft cloth or brush, ensuring all debris and residues are removed. If the gate arm appears stuck, gently try to move it. It should pivot easily.
  6. Check the Solenoid: The solenoid is what activates the drain valve. Ensure it’s securely attached and not damaged. A humming sound when trying to drain would typically indicate a faulty solenoid.
  7. Test the Valve’s Resistance: If you’re comfortable using a multimeter, you can test the drain valve solenoid for resistance. The typical range should be between 40-60 ohms. A reading outside of this range may indicate a malfunction.
  8. Consider Replacement: If the drain valve or solenoid seems damaged or shows signs of extensive wear and tear, it might be best to replace it. Ensure you choose a part compatible with your specific Bosch model.
  9. Reassemble Your Dishwasher: Once you’ve inspected, cleaned, or replaced the necessary components, make sure to reposition the bottom rack and close the dishwasher door.
  10. Power Up and Test: Reconnect your dishwasher to the power source and initiate a short wash cycle. Observe to see if the E24 error reappears and if the water drains effectively.

Consistent maintenance can prevent many common issues. By regularly inspecting parts like the drain valve, you not only stave off errors like the Bosch error code E24 but also ensure the longevity and optimal performance of your appliance.

Fix 8: Cleaning the Filter and Sump

The filter and sump in your Bosch dishwasher play a pivotal role in trapping food particles and debris, ensuring they don’t get recirculated during a wash cycle or block the drain. Over time, these components can accumulate gunk, contributing to drainage issues and the E24 error. Here’s your guide to cleaning these crucial parts:

  1. Start with Safety: First and foremost, disconnect the dishwasher from the power source to prevent any accidental startups.
  2. Access the Dishwasher Base: Open the dishwasher door and slide out the bottom rack to provide a clear view of the dishwasher floor.
  3. Locate the Filter: You should easily spot the round filter assembly at the base of the dishwasher.
  4. Rotate and Remove: The filter usually has a twist-lock mechanism. Turn it counter-clockwise (typically about a quarter turn) to unlock, then lift it out.
  5. Inspect the Filter: Examine the filter for any trapped food particles, debris, or buildup. Over time, a filmy residue can accumulate, reducing its efficacy.
  6. Clean the Filter: Rinse the filter under warm running water. For stubborn deposits, a soft brush can be helpful. Avoid using abrasive pads or harsh chemicals as they can damage the filter.
  7. Inspect the Sump: With the filter out, you’ll see the sump – the recessed area underneath. Check for any noticeable debris or obstructions. Occasionally, large particles or even shards of broken dishes can lodge here.
  8. Clean the Sump: Gently clean the sump using a cloth or sponge. If you encounter any stuck items, use tweezers or needle-nose pliers to carefully extract them.
  9. Reinstall the Filter: Once both components are cleaned, place the filter back in its original position. Rotate it clockwise to lock it in place.
  10. Reposition the Bottom Rack: Slide the bottom rack back into the dishwasher.
  11. Power On and Test: Reconnect the power and initiate a short cycle. This will help confirm if the cleaning resolved the drainage issue and if the E24 error is gone.

A regular cleaning regimen, perhaps once a month or more depending on usage, can ensure that the filter and sump remain unclogged. This not only prevents the Bosch error code E24 but also ensures cleaner dishes and a longer lifespan for your dishwasher.

Preventing the Bosch Error Code E24

Maintaining your dishwasher’s efficiency and longevity goes beyond addressing issues when they arise. By adopting a few preventive measures, you can stave off many common problems, including the notorious E24 error. Here’s how:

  1. Regular Cleaning: Make it a routine to clean the filter, sump, and spray arms every month. Accumulated debris and gunk can not only lead to drainage issues but also reduce the cleaning efficiency of your appliance.
  2. Rinse Before Loading: While Bosch dishwashers are designed to handle food residues, it’s a good practice to rinse off larger food particles before placing dishes inside. This simple step can prevent many blockages.
  3. Use the Right Detergent: Ensure you’re using a detergent suitable for your water hardness level. Hard water can lead to limescale build-up, which can block water flow and cause errors.
  4. Inspect the Drain Hose Regularly: Every few months, visually check the drain hose for kinks, bends, or potential blockages. A smooth and unobstructed hose is essential for proper drainage.
  5. Avoid Overloading: While it might be tempting to squeeze in one last dish, overloading can hinder water circulation and drainage. Always ensure there’s some space between items for optimal performance.
  6. Clean the Garbage Disposal: If your dishwasher drains through a garbage disposal, regular cleaning of the disposal can prevent back-ups that might trigger the E24 error.
  7. Regularly Check the Air Gap: If your setup includes an air gap, ensure it remains free from obstructions. An occasional inspection and cleaning can make a significant difference.
  8. Schedule Professional Maintenance: Consider having a technician inspect and service your dishwasher annually. They might spot and rectify potential issues before they become significant problems.

By integrating these preventive tips into your regular routine, you can ensure that your Bosch dishwasher runs smoothly, minimizes unexpected hitches, and serves you efficiently for many years.


In conclusion, tackling the Bosch E24 error can seem daunting initially. However, with the right knowledge and preventive steps, it becomes manageable. Often, simple actions like regular cleaning or checking connections can keep your dishwasher running smoothly. Yet, if problems persist, it’s always wise to consult with professionals. Remember, a well-maintained appliance not only serves efficiently but also lasts longer. So, arm yourself with these insights and ensure your dishwasher’s peak performance. After all, knowing is half the battle! Keep these tips handy, and you’ll be well-prepared for any dishwasher hiccups in the future. Safe troubleshooting!


What does the Bosch E24 error mean?

It indicates a drainage problem in your dishwasher.

Is it safe to attempt a fix myself?

Absolutely, but always disconnect the power first.

How often should I clean the filter?

At least once a month, or more if used frequently.

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