Miele · Professional Troubleshooting Guide
The dishwasher is unable to drain water. This error will not halt the machine immediately but will prevent it from progressing in its cycle.
Click steps to track your progress.
Turn off the dishwasher's power supply.
Clean the drain filter at the bottom of the dishwasher thoroughly.
Check the drain hose for any kinks or blockages.
Reset the dishwasher by opening and closing the door, or by pressing the start button for a few seconds.