[Solved] 5 Steps To Fix The Bosch Dishwasher Pump Keeps Running Problem

Bosch dishwashers are known for their reliable performance, but even the best appliances can experience problems from time to time. One common issue that Bosch dishwasher owners may encounter is a pump that keeps running even when the cycle has finished. 

Not only is this frustrating, but it can also lead to increased energy consumption and wear and tear on the appliance. Fortunately, there are several simple steps that you can take to fix this problem and get your dishwasher running smoothly again.

This post will walk you through five easy steps to troubleshoot and resolve the Bosch dishwasher pump keeps running problem.

Table of Contents

Understanding the Bosch Dishwasher Pump

How does a Bosch dishwasher heat pump work

The Bosch dishwasher pump is a critical component of the dishwasher’s cleaning system. It is responsible for pumping water and cleaning detergent into the dishwasher’s spray arms, which then disperse the mixture onto the dishes to clean them. Additionally, the pump is responsible for removing dirty water from the dishwasher and draining it away.

Bosch dishwashers typically use two types of pumps: a circulation pump and a drain pump. The circulation pump works during the wash cycle to distribute water and detergent onto the dishes. It is also responsible for recirculating the water back to the dishwasher’s filtration system, where debris or food particles are captured and disposed of. On the other hand, the drain pump works during the drain cycle to remove dirty water from the dishwasher and send it down.

Over time, the Bosch dishwasher pump can become clogged or damaged due to various factors, such as food debris, hard water buildup, or foreign objects that accidentally make their way into the dishwasher. If the pump becomes clogged, it can cause the dishwasher to run even after the wash cycle is complete continuously. Additionally, a damaged pump can lead to poor cleaning performance or water leaks.

Possible Causes of a Bosch Dishwasher Pump Continuously Running

If you are experiencing the issue of a Bosch dishwasher pump that keeps running, there could be several causes. Identifying the root cause of the problem is the first step in fixing the issue. Here are some of the most common causes of a Bosch dishwasher pump that continuously runs:

Clogged filter or debris in the dishwasher

When the dishwasher’s filter is clogged with debris or debris in the dishwasher, it can obstruct the water flow and cause the pump to keep running. This can happen if the dishwasher needs to be cleaned properly or if large food particles are not scraped off the dishes before placing them in the dishwasher.

Faulty pump motor or impeller

If the dishwasher’s pump motor or impeller is faulty or worn out, it can cause the pump to keep running. This can happen due to regular wear and tear, electrical issues, or excess strain on the pump motor.

Blocked or damaged drain hose

If the dishwasher’s drain hose is blocked or damaged, it can prevent water from draining out of the dishwasher and cause the pump to keep running. Blockages can be caused by food particles or other debris, while wear and tear, sharp objects, or kinks can cause damage to the drain hose.

Malfunctioning pressure switch or water inlet valve

The pressure switch and water inlet valve control the water flow in the dishwasher. If these components malfunction, they can cause the dishwasher pump to keep running. This can be caused by electrical issues, damage to the components, or malfunctioning sensors.

Faulty control board or timer

Can you fix a timer on a dishwasher

The control board and timer regulate the dishwasher’s functions, including the pump. If the control board or timer is faulty, it can cause the dishwasher pump to keep running. This can be caused by electrical issues, damage to the components, or malfunctioning sensors.

Several issues, including clogged filters, can cause a Bosch dishwasher pump that keeps running, faulty pump motors or impellers, blocked or damaged drain hoses, malfunctioning pressure switches or water inlet valves, and faulty control boards or timers. Identifying the root cause of the problem is the first step in fixing the issue.

How to Troubleshoot a Faulty Bosch Dishwasher Pump?

How to Troubleshoot a Faulty Bosch Dishwasher Pump

Troubleshooting the problem requires a systematic approach to identify the underlying cause and find the appropriate solution. Here are some steps to follow when troubleshooting a Bosch dishwasher pump that keeps running:

Turn off the dishwasher and unplug it.

Before attempting any repairs or troubleshooting, ensure that the dishwasher is turned off and unplugged from the power source. This critical safety measure protects you from electrical shocks and damage to the dishwasher.

Check for any visible signs of damage or blockages in the dishwasher

Inspect the dishwasher for any visible damage or blockages, such as cracked or broken components, debris, or food particles stuck in the drain or filter. Remove any visible blockages or debris, and repair or replace any damaged components.

Clean the dishwasher filter and spray arm.

A clogged filter or spray arm can cause the dishwasher pump to run continuously. To clean the filter, remove it from the dishwasher and rinse it under running water to remove any debris or buildup. Inspect the spray arm for clogs or blockages and clean it with a brush or toothpick if necessary.

Check the drain hose for blockages.

A blocked drain hose can cause the dishwasher pump to keep running. Inspect the drain hose for any kinks or clogs, and remove debris or blockages. If the drain hose is damaged, replace it with a new one.

Test the pressure switch and water inlet valve.

The pressure switch and water inlet valve are essential components that regulate the water flow in the dishwasher. A malfunctioning pressure switch or water inlet valve can cause the dishwasher pump to keep running. Test the pressure switch and water inlet valve using a multimeter and replace them if faulty.

Inspect the control board and timer for any faults

A faulty control board or timer can cause the dishwasher pump to run continuously. Inspect the control board and timer for any signs of damage, such as burnt or melted components. If the control board or timer is faulty, replace it with a new one.

Troubleshooting a Bosch dishwasher pump that keeps running requires a systematic approach to identify the underlying cause and find the appropriate solution. By following the above steps, you can diagnose and fix the problem and restore your dishwasher to optimal functioning.

How to Fix a Bosch Dishwasher Pump That Keeps Running?

If you have diagnosed a faulty Bosch dishwasher pump that keeps running, there are several solutions you can consider. Depending on the cause of the problem, you may need to replace a specific component or repair a damaged part. Here are some common fixes for a Bosch dishwasher pump that keeps running:

Replace a faulty pump motor or impeller.

If the pump motor or impeller is damaged or worn out, it can cause the dishwasher pump to keep running. You will need to replace the pump motor or impeller to fix this problem. This requires disassembling the dishwasher and accessing the pump assembly. If you need help with how to do this, it is recommended to seek the help of a professional.

Unclog or replace the drain hose

A clogged or damaged drain hose can prevent water from draining out of the dishwasher and cause the pump to keep running. You can unclog the drain hose or remove any visible blockages using a drain snake. The drain hose must be replaced if it is damaged or beyond repair.

Replace a malfunctioning pressure switch or water inlet valve.

The pressure switch and water inlet valve are critical components controlling the water flow in the dishwasher. If these parts malfunction, they can cause the dishwasher pump to keep running. You will need to replace the faulty pressure switch or water inlet valve to fix this problem. This requires accessing the control panel and replacing the part with a new one.

Replace a faulty control board or timer.

If the control board or timer is faulty, it can cause the dishwasher pump to keep running. To fix this problem, you will need to replace the control board or timer with a new one. This requires accessing the control panel and disconnecting the old part before installing the new one.

Fixing a Bosch dishwasher pump that keeps running requires identifying the root cause of the problem and replacing or repairing the faulty component. Following the appropriate repair steps, you can restore your Bosch dishwasher to optimal functioning and enjoy clean dishes.

Preventing Future Issues 

Regular maintenance of your Bosch dishwasher can help prevent future issues with the pump or other components. Here are some tips to keep in mind:

Regularly clean the dishwasher filter and spray arm

Cleaning the filter and spray arm helps prevent food particles and other debris from clogging the dishwasher’s drain or spray nozzles, which can lead to pump issues. Remove any food particles or debris from the filter and spray the arm after every use.

Avoid overloading the dishwasher or placing large food particles in it

Overloading the dishwasher or placing large food particles in it can stress the pump and other components, leading to potential issues down the line. Be sure to follow the manufacturer’s instructions for loading the dishwasher and avoid placing large food particles in the dishwasher.

Use the right amount of detergent and avoid harsh chemicals in the dishwasher.

Using too much detergent or harsh chemicals in the dishwasher can damage the pump and other components over time. Be sure to use the amount of detergent recommended by the manufacturer and avoid harsh chemicals in the dishwasher.

Inspect the dishwasher’s components regularly for signs of wear and tear

Regularly inspecting the dishwasher’s components, such as the pump, drain hose, and water inlet valve can help you identify potential issues before they become bigger problems. Look for signs of wear and tear, such as cracks, leaks, or corrosion, and address any issues promptly to prevent further damage.

Frequently Asked Questions

1. Why does the Bosch dishwasher pump keep running?

The most common reason the pump in a Bosch dishwasher keeps running is that it’s trying to drain water from the unit, but there is an obstruction in the drainage system, such as a clogged filter, drain hose, or garbage disposal. Another possible reason is a faulty water inlet valve, which can cause the dishwasher to fill with water continuously.

2. How can I stop the Bosch dishwasher pump from running?

To stop the pump from running, turn off the dishwasher and unplug it from the power source. Then, check the drainage system for any obstructions and clear them out. You may need to replace the water inlet valve if the issue persists.

3. Can a Bosch dishwasher pump that keeps running damage the dishwasher?

Yes, if the pump continues to run without water flowing through it, it can overheat and potentially cause damage to the dishwasher. It’s important to address the issue immediately to prevent further damage.

4. Is it safe to use the dishwasher if the pump keeps running?

It’s not recommended to use the dishwasher if the pump keeps running, as it can cause damage to the dishwasher and potentially create a safety hazard. It’s best to address the issue before using the dishwasher again.

5. Can I fix the Bosch dishwasher pump myself?

If you have experience working with appliances and feel confident in your abilities, you can fix the issue by clearing out any obstructions in the drainage system or replacing the water inlet valve. However, if you need more clarification or are comfortable working with appliances, it’s best to call a professional.

6. How much does repairing a Bosch dishwasher pump that keeps running cost?

The cost of repairing a Bosch dishwasher pump that keeps running can vary depending on the cause of the issue and the cost of replacement parts. In general, it may cost anywhere from $100 to $300 to repair, but this can vary significantly depending on your location and the specific repair needed.

Final Discussion

In conclusion, a Bosch dishwasher pump that keeps running is a common issue caused by various factors, including obstructions in the drainage system or a faulty water inlet valve. While the problem may seem daunting, addressing it can be straightforward and may even be accomplished without the need for professional assistance.

Following the steps outlined in this guide, you can diagnose and fix the problem quickly and efficiently, helping restore your dishwasher to its optimal performance. Whether you are an experienced DIYer or new to home repairs, this guide provides an accessible and user-friendly solution to the Bosch dishwasher pump problem.

About Travis K. Foster

Hi, this is Travis K. Foster speaking, a passionate and expert cook. This blog is to introduce you to the best kitchen gadgets. Here I inform you how I find out the best tools for my kitchen. And I review all products after good research to help you to get the best options with more kitchen tips. Stay on, Have fun! Learn more...

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