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Error E3100 Stops machine US market

Bosch Dishwasher Error Code E3100

E3100 on a Bosch dishwasher usually means: The safety switch has detected water in the base of the dishwasher. On a Bosch Dishwasher, code E3100 points to the leak sensor.

Fix it fast: Manufacturer troubleshooting steps. Full ranked steps below.

Likely part
leak sensor
Fault type
leakage
Manufacturer source Updated Oct 17, 2026 View source

How to fix E3100 — ranked steps

Try these in order. Stop when the code clears.

  1. 1 Manufacturer troubleshooting steps

    DIY
    • Your leakage protection system has been activated.

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