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Bosch dishwasher E15 or E3100 code: the leakage-protection system detected water in the base

E15 or E3100 means the leakage-protection system detected water in the base. Turn off the water inflow and disconnect power.

Direct answer

On a supported Bosch dishwasher, E15 or E3100 means the leakage-protection system detected water in the base. Turn off the water inflow and disconnect power. Then inspect only visible supply, drain and door areas for the leak source.

What this covers

  • Bosch dishwashers displaying E15 or E3100
  • The code and product type exactly match the official source
  • Customer-accessible checks before component replacement

What it does not cover

  • ×A similar code on another manufacturer or appliance type
  • ×Codes omitted from the exact model manual
  • ×Internal wiring, sealed-panel or live-electrical repair
Try in this order0 of 4 completed

  1. Confirm E15 or E3100 on the exact model

    Reversible

    Photograph the complete display, record the model tag and note the cycle stage. Similar-looking codes can mean different things on another product line.

  2. Check the condition named by the code

    Reversible

    Turn off the water inflow and disconnect power.

  3. Correct the remaining user-serviceable cause

    Reversible

    Inspect only visible supply, drain and door areas for the leak source.

  4. Run one controlled verification

    Reversible

    Keep the dishwasher off until the cause is identified; do not tilt it to clear the code. Bosch directs users to customer support for base-water and safety-switch faults.

Evidence ledger

Sources behind this answer

Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.

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Bosch Owner SupportBosch dishwasher error codes

Official Bosch code meanings, customer checks and service-only boundaries.

Exact questions

Common follow-ups

What does E15 or E3100 mean on a Bosch dishwasher?+

It means the leakage-protection system detected water in the base.

Can I clear E15 or E3100 by resetting the dishwasher?+

A restart may clear a stored display only after the underlying condition is corrected. Repeatedly resetting without correcting the cause is not a repair.

When is professional service appropriate?+

Bosch directs users to customer support for base-water and safety-switch faults.

Change recordAug. 17, 2026 — Published the exact E15 or E3100 meaning, customer-safe checks and service boundary from Bosch Owner Support.
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