ErrorCodeDoctor
Bosch · Cooktop

Bosch Cooktop U400 / E9000 / E9010 / E9011 (Electric / Induction) error code

Difficulty: Hard · Cost: $0–$300 · Duration: Requires professional service

The U400, E9000, E9010, or E9011 code on your Bosch electric or induction cooktop means the electrical supply voltage is outside the normal operating range. For E9011 on induction models this can also mean the cooktop is not connected correctly. Contact your electrical utility provider or a qualified technician for assistance.

Common causes

  • The home electrical supply voltage is outside the normal operating range for the cooktop
  • For E9011: the cooktop is not connected correctly according to the circuit diagram

How to fix it

  1. 1

    For U400 / E9000 / E9010: contact your electrical utility provider to check the supply voltage, or contact a qualified technician

  2. 2

    For E9011: disconnect the cooktop from the main power source and reconnect it in accordance with the circuit diagram

  3. 3

    If the error persists contact a qualified technician

Related Bosch Cooktop error codes

1

dE (Electric / Induction)

Demo mode has been activated — the cooktop will not heat

easy
2

D / E (Electric / Gas)

An operational fault or error was detected

easy
3

E / F (Gas)

An electronics fault or error was detected on the gas cooktop

easy
4

F1 / F6 (Induction)

The induction cooking zone overheated and switched off to protect the work surface

easy

U400 / E9000 / E9010 / E9011 (Electric / Induction) error — frequently asked questions

What does the U400 / E9000 / E9010 / E9011 (Electric / Induction) error mean on a Bosch cooktop?

The supply voltage is incorrect — outside the normal operating range

What causes the U400 / E9000 / E9010 / E9011 (Electric / Induction) error?

The U400 / E9000 / E9010 / E9011 (Electric / Induction) error is usually caused by: The home electrical supply voltage is outside the normal operating range for the cooktop; For E9011: the cooktop is not connected correctly according to the circuit diagram.

Can I fix the U400 / E9000 / E9010 / E9011 (Electric / Induction) error myself?

This is rated a hard fix — it often requires tools, parts, or experience, and may be safer left to a professional technician.

How much does it cost to fix the U400 / E9000 / E9010 / E9011 (Electric / Induction) error?

Fixing the U400 / E9000 / E9010 / E9011 (Electric / Induction) error on a Bosch cooktop typically costs $0–$300, depending on parts and whether you do it yourself or hire a technician.

Is it safe to keep using my cooktop with the U400 / E9000 / E9010 / E9011 (Electric / Induction) error?

We'd recommend addressing the U400 / E9000 / E9010 / E9011 (Electric / Induction) error before continuing to use the cooktop, since hard-rated issues often involve a real fault rather than a minor glitch.