Error passportEB / ID
E15
  • Appliances
  • Bosch
  • Dishwashers

Bosch dishwasher E15: water protection activated

Verified with sources1 sourceReviewed Aug 20, 2026

Risk level

High

Professional inspection is recommended.

Urgency

Immediate

Quick answer

E15 means the dishwasher water-protection system has activated. Close the water tap and arrange professional service.

Safety first

Safe checks you can perform

  • Close the water tap

Leave these tasks to a qualified professional

  • Do not attempt this professional task: Inspect the water-protection activation

Where this code applies

A code is meaningful only inside the right product and version context.

Primary scope

System
Appliances
Brand
Bosch
Product type
Dishwashers

Known code variants

  • E-15
  • Bosch E15
  • Bosch Fehler E15
  • Siemens E15
  • Siemens F15
  • Siemens E3100
  • Siemens E31-00
  • errore E15 Bosch

What it means

The official Bosch manual prescribes closing the tap and contacting service. ErrorBase does not recommend tilting the dishwasher bypassing sensors or repeatedly resetting it.

Warnings and stop conditions

  • Higheditorial warning

    Do not tilt the dishwasher to clear E15 or continue using it after the water-protection system has activated.

    Evidence: Bosch dishwasher instruction manual 9001007960

Symptoms and causes

Probable causes · in order

  • Water-protection system activatedConfirmed

    Bosch defines E15 as activation of the leakage-protection system after water is detected in the dishwasher base.

    Evidence: Bosch dishwasher instruction manual 9001007960 · Bosch USA dishwasher error codes

Safe checks, step by step

  1. 1

    Close the water tap

    No special tools

    Close the dishwasher water-supply tap and leave the appliance out of use until it has been inspected.

    Do not tilt the appliance or bypass the protection system.

    Evidence: Bosch dishwasher instruction manual 9001007960 · Bosch USA dishwasher error codes

Virtual technician

Does E15 still appear after these checks?

Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.

For professionals only

  • Inspect the water-protection activationverified

    Contact Bosch service or a qualified appliance technician and provide the E15 code.

    Why: Bosch directs the user to close the water supply and contact support.

    Evidence: Bosch dishwasher instruction manual 9001007960 · Bosch USA dishwasher error codes

Sources and technical references

Sources: Bosch dishwasher instruction manual 9001007960reviewed 2026-08-20 · verified

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