Bosch Washing Machine Error Codes (What They Mean + Fixes)

If your Bosch washing machine displays an error code, it’s designed to alert you to issues such as drainage problems, water supply faults, door lock errors, heating issues, or sensor problems. Understanding these codes can help you decide whether a simple reset may resolve the issue or if professional service is required.

Common Bosch Washing Machine Error Codes

E18 / F18 – Drain error

This error indicates the washing machine is unable to drain water properly.

What you can try: Check that the drain hose is not kinked and remove any visible blockages.

When to call service: If the error returns, the drain pump may need inspection.

E17 / F17 – Water inlet error

The washing machine is not filling with water as expected.

What you can try: Ensure water taps are fully open and household water pressure is normal.

When to call service: Persistent filling issues usually require professional service.

E16 / F16 – Door not closed

This code means the door is not properly closed or locked.

What you can try: Check for obstructions and close the door firmly.

When to call service: If the door will not lock, service may be required.

E23 / F23 – Leak detected

This error indicates water has been detected in the base of the washing machine.

What you can try: Turn off the machine and allow it to dry for up to 24 hours.

When to call service: Repeated leak detection should be professionally inspected.

E02 – Motor or drive fault

E02 suggests a problem with the motor or drive system.

What you can try: Switch off the washing machine and allow it to rest before restarting.

When to call service: Motor-related faults usually require technician support.

E03 – Heating error

This code indicates the washing machine is not heating water correctly.

What you can try: Restart the machine after switching off power briefly.

When to call service: Heating system issues typically need professional repair.

E06 – Temperature sensor error

The washing machine cannot accurately read water temperature.

What you can try: Power reset the appliance.

When to call service: Sensor-related faults usually require service.

CL – Child lock activated

This is not a fault but indicates the child lock feature is turned on.

What you can try: Disable child lock using your model’s instructions.

When to call service: Service is not required for this code.

How to Clear a Bosch Washing Machine Error Code

Many Bosch washing machine error codes can be cleared by switching the machine off at the power supply for several minutes and then restarting it. If the code returns, it usually indicates an underlying issue.

When to Call Service

You should contact a qualified technician if an error code keeps reappearing, the washing machine stops mid-cycle, or you notice leaks, unusual noises, or poor washing results.

Frequently Asked Questions

Can I keep using my Bosch washing machine with an error code?

It’s best to stop using the washing machine until the issue is resolved to avoid further damage.

Do Bosch washing machine error codes reset automatically?

Some temporary issues may clear after a reset, but recurring codes usually need attention.

Are Bosch washing machine error codes the same across all models?

Most Bosch washing machines use similar codes, but exact meanings can vary by model.

More Bosch error code guides

If you’re troubleshooting other Bosch appliances, these guides may also help: