A Gaggenau problem is usually easier to describe once you know which system is involved. This guide covers the common failures and the checks we run to find them.

400 And 200 Series
Gaggenau's 400 and 200 series cover Vario cooktops, combi-steam ovens, and integrated dishwashers, all built to a European standard that shares parts logic with other BSH products. The steam ovens add a water circuit that can scale up over time, and the dishwashers report E-codes for water and drainage in the same way a Bosch or Thermador machine does. These are precise appliances that reward measured diagnosis over guesswork.
Codes We Act On
The dishwasher and water-circuit codes below are the ones we meet most. On the ovens, a heating complaint usually traces to an element or the steam system rather than a numeric fault.
| Code | What It Means | What We Check |
|---|---|---|
E15 | Water in the base, float tripped | Leak point and safety float |
E24 | Drain blocked or restricted | Filter, hose, and drain pump |
E09 | Heating circuit fault | Heating element and flow |
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