Bosch Dishwasher error codes

A collection of common error codes for Bosch dishwashers, with what they mean and the basic checks you can try at home before booking a repair.

E09 – Heating fault

The dishwasher has detected a problem heating the water.

Severity: High · Typical fix time: 40–60 minutes

E15 – Water leak detected in base tray

E15 means the safety float in the base tray has detected water, so the dishwasher shuts off the inlet valve to prevent flooding.

Severity: Medium · Typical fix time: 30–60 minutes