Bosch Dishwasher Troubleshooting E15: 9 Problems 100% Fixes!

Bosch Dishwasher is a popular brand of dishwasher that is known for its quality and durability. However, like any other appliance, it is not immune to faults and errors.

One of the most common errors that users experience is the E15 error code. This error code indicates that there is an excessive amount of water present in the dishwasher, triggering the safety switch and causing the machine to stop working.

If you are experiencing the E15 error code on your Bosch Dishwasher, it is essential to troubleshoot the problem to get it fixed.

This article will provide you with seven problems and fixes for Bosch Dishwasher troubleshooting E15.

The article will cover what the E15 error code means, the possible causes of the error, and how to fix it.

By the end of this article, you will have a better understanding of how to troubleshoot the E15 error code on your Bosch Dishwasher and get it working again in no time.

Bosch Dishwasher Troubleshooting E15:

What is E15 Error Code?

The E15 error code is a common problem that occurs in Bosch dishwashers. It indicates that there is water in the base of the dishwasher, which triggers the leakage protection system and stops the dishwasher from working.

This error code can be caused by a variety of issues, including a leak in the sump basin, water tank, or hoses. It can also be caused by a control board glitch or a faulty safety switch.

9 Problems that Cause E15 Error Code:

There are several problems that can cause the E15 error code to appear on a Bosch dishwasher. Here are seven of the most common:

Problem	Cause
1. Leaking water supply hose	Loose connection or damaged hose
2. Clogged drain hose	Food debris or other blockages
3. Malfunctioning water inlet valve	Valve is stuck open or closed
4. Faulty float switch	Float switch is stuck or damaged
5. Broken sump pump	Pump is clogged or damaged
6. Damaged heating element	Element is burned out or broken
7. Control board malfunction	Board is damaged or faulty
8. Excess detergent or soap	Overloading the dishwasher with too much detergent or soap, filling the detergent dispenser beyond the recommended level, or using the wrong type of detergent can cause the dishwasher to fill with excess soap or detergent, leading to the E15 error code.
9. Broken fixtures	Broken fixtures within the dishwasher, such as a faulty float switch or water inlet valve, can cause the dishwasher to fill with too much water or soap, triggering the E15 error code.

Fixes for Bosch Dishwasher E15 Error Code:

There are several fixes for the E15 error code in Bosch dishwashers, depending on the cause of the problem. Here are a few solutions:

• Remove the kick plate and front panel, inspect the unit to identify the cause of the error, and prevent further damages to the dishwasher and your home.
• Check the water supply hose and drain hose for blockages, and clean or replace them as necessary.
• Inspect the float switch and sump pump for damage or blockages, and clean or replace them as necessary.
• Check the heating element for damage, and replace it if necessary.
• Reset the dishwasher by turning off the power supply for a few minutes, and then turning it back on again.
• Replace the control board if it is damaged or faulty.
• Turn off the water inflow and contact Bosch Customer Support at 1-800-944-2904 for assistance.

1. Turn off and unplug the dishwasher:

The first step in fixing the E15 error code on a Bosch dishwasher is to turn off the dishwasher and unplug it from the power source.

This will help to prevent any further damage and ensure your safety while working on the dishwasher.

2. Remove excess detergent or soap:

The E15 error code on a Bosch dishwasher is often caused by excess detergent or soap buildup.

To fix this issue, remove any excess detergent or soap from the dishwasher, including from the dispenser and spray arms.

Use a damp cloth to wipe away any residue and ensure that the dishwasher is clean and free of excess detergent or soap.

3. Run a hot water cycle:

After removing excess detergent or soap, run a hot water cycle to flush out any remaining residue.

This can help to clear any clogs or buildup in the dishwasher and ensure that it is functioning properly. To run a hot water cycle, fill the detergent dispenser with a cup of white vinegar and run the dishwasher on the hottest setting.

4. Check for broken fixtures:

If the E15 error code persists, it may be caused by broken fixtures within the dishwasher, such as a faulty float switch or water inlet valve.

These can cause the dishwasher to fill with too much water or soap, triggering the E15 error code. Inspect the dishwasher for any broken fixtures and call a professional for repair if necessary.

5. Reset the dishwasher

If the E15 error code still persists, try resetting the dishwasher. This can be done by pressing and holding the start button for three seconds. If this does not work, refer to the manufacturer’s instructions for resetting the dishwasher.

How to Prevent E15 Error Code?

Regular Maintenance:

Regular maintenance is the key to preventing E15 error code in Bosch dishwashers.

Make sure to clean the dishwasher at least once a month. Remove any debris or food particles from the dishwasher’s filter and spray arms. Clean the dishwasher’s interior with a soft cloth and mild detergent.

Check the dishwasher’s water inlet and outlet hoses for any kinks, bends, or leaks. Make sure that the water supply valve is fully open and that the water pressure is within the recommended range.

Proper Loading of Dishes:

Improper loading of dishes can also cause E15 error code in Bosch dishwashers. Make sure that the dishes are loaded properly and are not blocking the dishwasher’s spray arms.

Do not overload the dishwasher, as this can prevent proper water circulation and can cause water to leak into the dishwasher’s base.

Use the correct amount of detergent recommended by the manufacturer. Using too much detergent can cause excessive sudsing, which can lead to water leakage.

Filled with excess detergent or soap:

Bosch dishwashers are designed to provide efficient and reliable cleaning, but they can experience issues from time to time. One common problem that Bosch dishwasher owners may encounter is the E15 error code.

This error code indicates that the dishwasher has filled with excess detergent or soap, causing it to overflow and trigger the error code.

The most common cause of the E15 error code is overloading the dishwasher with too much detergent or soap.

This can happen if the detergent dispenser is filled beyond the recommended level or if the wrong type of detergent is used.

To troubleshoot this problem, the first step is to turn off the dishwasher and unplug it from the power source.

Then, remove any excess detergent or soap from the dishwasher, including from the dispenser and spray arms.

Next, run a hot water cycle to flush out any remaining residue.

Broken fixtures:

If the E15 error code persists, it could be due to broken fixtures within the dishwasher.

For example, a broken float switch, which is responsible for regulating the water level in the dishwasher, can cause excess soap or detergent to build up and trigger the error code.

Additionally, a broken water inlet valve can cause the dishwasher to fill with too much water, leading to an overflow of soap or detergent.

Other Bonus Tips:

Here are a few additional tips to prevent E15 error code in Bosch dishwashers:

• Do not use the dishwasher to clean items that are not dishwasher safe.
• Do not use hot water to rinse dishes before loading them into the dishwasher.
• Do not use the dishwasher without first running hot water in the sink until it is hot.
• Do not open the dishwasher mid-cycle, as this can cause water to leak out.

By following these simple tips, you can prevent E15 error code in your Bosch dishwasher and enjoy clean, spotless dishes every time.

Conclusion

After troubleshooting the Bosch dishwasher E15 error, it is clear that there are several causes of the problem.

These include water leakage, defective drain pump, clogged hoses, and dirty pump filter. It is important to note that while some issues can be fixed by the homeowner, others may require professional help.

One of the most common causes of the E15 error is water leakage. This can occur in the hoses, sump basin, or water tank.

The anti-flooding mechanism prevents the dishwasher from flooding your kitchen floor with extra water. In this case, the homeowner can check for leaks and replace any damaged parts.

Another common issue is a defective drain pump. This can cause the dishwasher to fill up with dirty water.

The homeowner can troubleshoot this by cleaning the pump filter and checking the drain hose for any blockages.

If the issue persists, it may require professional help. Using the proper type and amount of detergent is also important to prevent spotty dishes. Additionally, installing a water softener can reduce mineral deposit damage.

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