Miele dishwashers are renowned for their efficiency and durability, but occasionally, they may display error codes that disrupt your daily routine.
These Miele dishwasher error codes can indicate anything from minor glitches to significant issues.
Understanding these codes and knowing how to troubleshoot them can save you time and potentially avoid costly repairs.
This comprehensive guide will provide an overview of common error codes and effective troubleshooting solutions to get your appliance back on track.

Key Takeaways
Expert Guide
Common Miele Dishwasher Error Codes and Their Meanings
Understanding what each error code represents is crucial for effective troubleshooting. Below are some of the most common Miele dishwasher error codes and their meanings:
Error Code F11: Water Drain Issue
This code usually signifies a drainage problem, often due to a clogged filter or a blockage in the drain hose.
A faulty drain pump can also be a contributing factor, causing the water to remain inside the dishwasher instead of draining out efficiently.

Error Code F12 and F13: Water Intake Issue
These codes indicate a problem with the water intake, often due to a closed water supply valve or a kinked intake hose that restricts water flow. If the inlet valve is malfunctioning or clogged, it may also prevent the dishwasher from filling with enough water, leading to these errors.
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Error Code F24: Heating Circuit Problem
This error suggests an issue with the heating element or thermostat, preventing the water from heating to the required temperature.
When the heating component fails to reach the correct temperature, it can affect the dishwasher’s cleaning performance, leading to incomplete or unsatisfactory wash cycles.
Error Code F14: Water Circulation Problem
This code often points to a malfunction in the circulation pump or an obstruction in the water path.
When water cannot circulate properly, it can disrupt the spray arms’ operation, which might result in poor cleaning and longer cycle times. In some cases, mineral buildup can be a cause of these blockages.
Error Code F78: Pump Relay Fault
This code indicates an issue with the circulation pump relay, which is responsible for controlling the pump’s operation.
A faulty relay can prevent the pump from activating or functioning correctly, impacting water circulation. In severe cases, replacing the relay or the pump itself may be necessary.
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Troubleshooting Steps to Fix Miele Dishwasher Error Codes
Once you’ve identified the specific error code, follow these troubleshooting steps to address the issue effectively:
Step 1: Reset the Dishwasher
Resetting your dishwasher can often resolve minor errors.
Turn off the dishwasher and unplug it from the power source.
Wait for 5-10 minutes to allow residual power to drain.
Plug it back in and run a test cycle to see if the error code reappears. If it does not, the reset may have resolved the issue.

Step 2: Check Water Supply and Drainage
For water intake or drainage-related error codes (e.g., F11, F12, F13):
Ensure the water supply valve is fully open.
Inspect the drain hose for blockages or kinks, and clean the filter if necessary. A thorough inspection can often identify the root cause of drainage issues.
Step 3: Inspect Heating Elements and Thermostats
For heating-related errors (e.g., F24):
Turn off the power and access the heating element.
Use a multimeter to test the thermostat and heating element for continuity. Replace them if faulty. Proper heating is vital for effective cleaning.
Step 4: Examine the Circulation Pump and Spray Arms
For circulation issues (e.g., F14, F78):
Remove and clean the spray arms, checking for debris that could obstruct water flow. Regular cleaning helps maintain their performance.
Inspect the circulation pump and relay; clean or replace them as needed. Keeping these components in good condition ensures optimal performance.
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Maintenance Tips to Prevent Future Miele Dishwasher Error Codes
Preventive maintenance is essential to keep your Miele dishwasher running smoothly and to minimize the occurrence of error codes.
Here are some effective tips:
1. Clean the filters regularly: This will help prevent clogs that cause drainage issues. A clean filter promotes efficient water flow and enhances cleaning performance.
2. Inspect hoses and connections periodically: Look for signs of wear or blockages that could affect performance. Addressing these issues promptly can prevent more significant problems down the line.

3. Run a monthly cleaning cycle: Use a dishwasher cleaner to remove mineral deposits and grime buildup. Regular cleaning cycles can help maintain the interior and keep it odor-free.
4. Ensure proper loading: Avoid overloading the dishwasher and make sure that the spray arms can move freely. Proper loading ensures that water can circulate effectively, resulting in cleaner dishes.
5. Use the right detergent: Using the appropriate dishwasher detergent can help maintain performance and avoid residue buildup. Choose a high-quality detergent designed for your specific dishwasher model.
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Signs You Might Need Professional Help
While many errors can be resolved with simple troubleshooting, there are signs that indicate a need for professional intervention.
If you encounter any of the following issues, it’s advisable to contact a certified technician:
- Persistent Error Codes: If the error code reappears consistently despite following troubleshooting steps, it may indicate a deeper problem that requires expert attention.
- Unusual Noises: Grinding, squealing, or any unfamiliar sounds during operation can signal mechanical issues that should be examined by a professional.
- Water Leaks: If you notice water pooling around the dishwasher, it could be due to a damaged seal or hose, necessitating professional repair.
- Electrical Issues: If you experience electrical malfunctions, such as tripped circuit breakers or flickering lights, it’s essential to consult an electrician to avoid safety hazards.
By understanding and following these troubleshooting steps, you can quickly address Miele dishwasher error codes and maintain optimal performance.
When faced with an error code, remember to stay calm and methodically go through the troubleshooting process to determine the cause.
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If the issue persists, don’t hesitate to reach out to a professional for help. Keeping your dishwasher in top condition will not only save you time but also ensure your dishes come out sparkling clean, ready for your next meal.
FAQs Of How to Fix Miele Dishwasher Error Code
How do I reset my Miele dishwasher?
To reset your Miele dishwasher, unplug it from the power source, wait a few minutes, then plug it back in and run a test cycle. This can help clear minor errors.
Why is my Miele dishwasher not draining?
If your Miele dishwasher isn’t draining, check for clogs in the filter or drain hose. Cleaning these components often resolves the issue.
How can I prevent heating issues in my Miele dishwasher?
Regularly inspect and clean the heating element and thermostat. This routine maintenance can help avoid heating-related errors.
Is it safe to troubleshoot a Miele dishwasher on my own?
Yes, many Miele dishwasher issues can be resolved with basic troubleshooting. However, for complex electrical or mechanical problems, it’s advisable to contact a professional technician.
What should I do if none of these solutions work?
If you have tried all the troubleshooting steps and the error persists, it’s best to contact Miele customer service or a qualified technician for further assistance