Bosch · Dishwasher

Bosch Dishwasher E03 Error Code

The documented meaning, with the context that matters for your appliance.

What does the Bosch Dishwasher E03 code mean?

E03

DOCUMENTED MEANING

Control relay fault

Exact models are not specified in the source. Check your model’s manual.

View manufacturer sources

Model applicability

Exact models are not specified in the source. Check your model’s manual.

Use the instructions for your exact appliance model. A similar display on another model can have a different meaning or procedure.

Sources

Manufacturer documentation supporting this entry. FaultDecoded is independent of these manufacturers.

Bosch Dishwasher Error Codes
Bosch · Source consulted 2026-09-21