Bosch Dishwasher Error Codes

Bosch dishwashers are known for their efficiency and advanced features, making them a popular choice for homeowners. However, like any other appliance, they may encounter problems that can disrupt their operation. Fortunately, Bosch dishwashers come with a comprehensive set of error codes that can help identify the root cause of the issue. In this article, we’ll go over some of the most common Bosch Dishwasher Error Codes and how to troubleshoot them.

Dishwasher error codes can be frustrating, but understanding them is the first step toward solving the issue. Below is a guide to help you decode and troubleshoot common Bosch dishwasher troubleshooting codes. Don’t worry we’ll walk you through it, one step at a time.

Complete Bosch Dishwasher Error Codes

Error Code	Meaning	Solution
E01-E05	Control Module Issues	Reset by unplugging for 10-15 minutes. If persistent, replace control module.
E06	Door Lock Issue	Ensure door is fully closed. Inspect and replace door latch if necessary.
E07	Drying Fan Malfunction	Check for blockages. Replace fan motor if needed.
E09	Heating Element Failure	Inspect and replace heating element if faulty.
E10	Temperature Sensor Issue	Check wiring and replace thermistor if necessary.
E12	Limescale Buildup in Heating Element	Run a descaling cycle using Bosch dishwasher cleaner.
E14	Water Flow Sensor Error	Clean or replace water flow sensor. Check water inlet valve.
E15	Water Leak Detected (Anti-Flood Protection)	Check for leaks, dry base drip tray. Inspect hoses, pump, and door seals.
E16-E17	Water Inlet Valve Issues	Check water inlet valve and float switch. Reduce water pressure if high.
E18	Low Water Supply / Insufficient Pressure	Ensure water supply tap is fully open. Clean inlet filter.
E19	Heat Exchanger Fault	Requires professional repair or replacement.
E20	Circulation Pump Error	Inspect and clean pump. Replace if necessary.
E21	Blocked Drain Pump	Check and clean drain pump and filters.
E22	Dirty Filter Blockage	Remove and clean dishwasher filter.
E23	Drain Pump Electrical Issue	Replace the drain pump.
E24	Drainage Problem	Ensure drain hose is not bent or clogged.
E25	Blocked Drain Pump or Hose	Clean the drain pump and remove blockages.
E27	Low Voltage Issue	Check for stable voltage supply.
E0100, E0103, E0105-E0107	Software or Sensor Faults	Try hard reset. If persistent, contact Bosch support.
E0110	Power Supply Fault	Ensure power cord is properly plugged in.
E2030, E2060	Sensor Errors (Water Level)	Clean or replace water level sensor.
E2120, E2130	Unknown Component Error	Contact Bosch support for diagnosis.
E3000, E3100, E3200	Internal Software Error	Try reset and update firmware if applicable.
E3300, E3400	Communication Error	Control module might need replacement.
E6001, E6002	Heating or Temperature Sensor Error	Inspect and replace sensor if necessary.
E6101, E6102, E6103	Additional Heating/Temperature Sensor Errors	Verify sensor functionality and replace if needed.
E6160	Circulation Pump Fault	Check for blockages or replace pump.
E6900	Electronics Board Issue	Professional service required.
E8000	Software Error	Reset the dishwasher.
E9001	Unknown Hardware Issue	Contact Bosch support.
E9240	Door Sensor Malfunction	Replace door sensor if faulty.
H01	Delay Timer Activated	Cancel delay timer if not needed.

Reset Method: Press and hold Start button for 3-5 seconds or unplug for 10-15 minutes.

1. E15 Error Code

The E15 error code indicates that the dishwasher is experiencing a water leak. This error code is typically accompanied by the pump continuing to run, even after the dishwasher has been turned off. If you encounter this error code, there are a few steps you can take to troubleshoot the issue.

• First, turn off the dishwasher and unplug it from the power source. Then, check the base of the dishwasher for any visible signs of water leakage, such as pooling water or dampness.
• If you don’t see any signs of a leak, it could be that the sensor has malfunctioned. In this case, you may need to contact a professional to diagnose and repair the issue.

2. E01 Error Code

The E01 error code is an indication that the dishwasher is having difficulty draining water from the machine. This could be caused by a blockage in the drainage system, a malfunctioning pump, or a faulty control board. To troubleshoot this error code, follow these steps:

• Check the drainage system for any blockages, such as food debris or other foreign objects. Clear out any blockages you find and ensure that the drainage system is free of obstruction.
• If the drainage system is clear, check the pump to ensure that it’s functioning properly. You can do this by removing the pump cover and inspecting it for any damage or wear. If you find any issues, you may need to replace the pump.
• If both the drainage system and pump are functioning correctly, it’s possible that the control board is faulty. In this case, you should contact a professional to diagnose and repair the issue.

3. E09 Error Code

The E09 error code indicates a problem with the heating element, which is responsible for heating the water in the dishwasher. This could be caused by a faulty heating element or a malfunctioning control board. To troubleshoot this error code, follow these steps:

• First, check the heating element for any visible signs of damage, such as cracks or discoloration. If you find any damage, you’ll need to replace the heating element.
• If the heating element appears to be functioning correctly, check the control board to ensure that it’s sending power to the heating element. If the control board is malfunctioning, you may need to replace it.

4. E24 Error Code

The E24 error code indicates a drainage problem in the dishwasher. This could be caused by a blockage in the drainage system, a faulty pump, or a malfunctioning control board. To troubleshoot this error code, follow these steps:

• Check the drainage system for any blockages, such as food debris or other foreign objects. Clear out any blockages you find and ensure that the drainage system is free of obstruction.
• If the drainage system is clear, check the pump to ensure that it’s functioning properly. You can do this by removing the pump cover and inspecting it for any damage or wear. If you find any issues, you may need to replace the pump.
• If both the drainage system and pump are functioning correctly, it’s possible that the control board is faulty. In this case, you should contact a professional to diagnose and repair the issue.

5. E25 Error Code

The E25 error code indicates a problem with the dishwasher’s filter system. This could be caused by a clogged filter, a malfunctioning pump, or a faulty control board. To troubleshoot this error code, follow these steps:

• Check the filter system for any blockages, such as food debris or other foreign objects. Remove any blockages you find and ensure that the filter system is clean.
• If the filter system is clean, check the pump to ensure that it’s functioning properly. You can do this by removing the pump cover and inspecting it for any damage or wear. If you find any issues, you may need to replace the pump.
• If both the filter system and pump are functioning correctly, it’s possible that the control board is faulty. In this case, you should contact a professional to diagnose and repair the issue.

6. E22 Error Code

The E22 error code indicates a problem with the dishwasher’s water supply system. This could be caused by a clogged water inlet valve, a faulty water supply hose, or a malfunctioning control board. To troubleshoot this error code, follow these steps:

• Check the water inlet valve for any blockages or debris. If the valve appears to be clogged, you can clean it by removing it from the dishwasher and rinsing it with water.
• Check the water supply hose for any kinks or damage. If the hose is damaged, you’ll need to replace it.
• If both the water inlet valve and supply hose are functioning correctly, it’s possible that the control board is faulty. In this case, you should contact a professional to diagnose and repair the issue.

FAQs:

Q: What should I do if my Bosch dishwasher displays an error code? A: The first step is to consult the user manual for your specific dishwasher model to determine the cause of the error code. If you’re unsure of how to proceed, you can contact a professional for assistance.

Q: Can I repair my Bosch dishwasher myself? A: If you have experience with appliance repair and the necessary tools, you may be able to repair your Bosch dishwasher yourself. However, if you’re unsure of how to proceed or the issue is complex, it’s best to contact a professional for assistance.

Q: How can I prevent errors from occurring in my Bosch dishwasher? A: The best way to prevent errors is to properly maintain your dishwasher. This includes regularly cleaning the filter system, ensuring that the drainage system is free of blockages, and checking the water inlet valve and supply hose for damage or debris.

In conclusion, Bosch dishwashers are reliable and efficient appliances, but they may encounter problems that can disrupt their operation. Understanding the error codes and troubleshooting steps can help you identify and resolve common issues. If you’re unsure of how to proceed or the issue is complex, it’s best to contact a professional for assistance. Regular maintenance can also help prevent errors from occurring in the first place.