If your Bosch dishwasher is showing an error code, it’s designed to help you identify what’s going wrong. These codes usually relate to water supply, drainage, heating, or sensor issues. Below you’ll find the most common Bosch dishwasher error codes, what they mean in plain language, and what you can safely try at home.
Common Bosch Dishwasher Error Codes
E01 / E1 – Heating system fault
This code indicates a problem with the dishwasher’s heating circuit, meaning the water may not be heating correctly during the wash cycle.
What you can try: Turn the dishwasher off at the power for a few minutes, then restart it.
When to call service: If the error returns, professional repair is usually required.
E02 – Heating relay or control issue
E02 suggests the dishwasher is detecting an electrical issue related to water heating.
What you can try: Reset the dishwasher by switching off power briefly.
When to call service: If the code persists, a technician should inspect the appliance.
E03 – Heating time exceeded
The dishwasher could not heat the water to the required temperature within the expected time.
What you can try: Check that your home’s hot water supply is working normally.
When to call service: Ongoing issues usually point to a heating component fault.
E04 – Heating element or temperature control issue
This error indicates abnormal heating behaviour detected by the dishwasher.
What you can try: Restart the dishwasher after a short power reset.
When to call service: If the code continues, professional diagnosis is recommended.
E05 – Temperature sensor error
The dishwasher cannot accurately measure water temperature.
What you can try: Power reset the appliance.
When to call service: Sensor replacement may be required.
E06 – Door not closing properly
E06 appears when the dishwasher detects that the door is not fully closed or locked.
What you can try: Check for obstructions around the door and close it firmly.
When to call service: If the error remains, the door latch may need servicing.
E15 – Water protection system activated
This error indicates water has been detected in the base of the dishwasher, triggering a safety shutdown.
What you can try: Turn off the dishwasher and allow it to dry for 24 hours.
When to call service: Persistent leaks should be inspected by a professional.
E22 – Filter or drainage blockage
E22 usually means the dishwasher is struggling to drain due to a blockage.
What you can try: Clean the filter and check for visible debris.
When to call service: If draining problems continue, service may be needed.
E24 – Drain hose or pump issue
This code indicates restricted or improper drainage.
What you can try: Ensure the drain hose is not kinked or blocked.
When to call service: Ongoing drainage faults require professional repair.
E25 – Drain pump blockage
The dishwasher detects that the drain pump is not working correctly.
What you can try: Remove visible debris from the filter area.
When to call service: A faulty pump should be inspected by a technician.
How to Clear a Bosch Dishwasher Error Code
Many Bosch dishwasher error codes can be cleared by switching the appliance off at the power for several minutes and then restarting it. If the error returns, it usually indicates an underlying fault.
When to Call Service
You should contact a qualified technician if an error code keeps reappearing, the dishwasher stops mid-cycle, or water leaks are visible. Electrical and internal component issues should not be repaired without proper training.
Frequently Asked Questions
Can I keep using my Bosch dishwasher with an error code?
It’s best not to continue using the dishwasher if an error code appears, as this could lead to further damage.
Do Bosch dishwasher error codes reset automatically?
Some temporary errors may clear after a reset, but persistent codes usually require attention.
Are Bosch dishwasher error codes the same across all models?
Most codes are consistent, but exact meanings can vary slightly by model.
More Bosch error code guides
If you’re troubleshooting other Bosch appliances, these guides may also help: