Bosch Error E18 - Expert Diagnostic Guide

Bosch Dishwasher Error Code E18 Repair Guide The Bosch dishwasher error code E18 indicates a faulty drain pump, which is a critical component responsible for removing water from the dishwasher during the wash and rinse cycles. A malfunctioning drain pump can lead to poor washing performance, water accumulation, and potentially cause damage to the dishwasher and surrounding areas. In this guide, we will walk you through the diagnostic and repair process for the Bosch dishwasher error code E18. ...

March 10, 2026 · 3 min · Tech Team