Bosch induction hob: error U400E9000E9010U1
Code U400 / E9000 / E9010 / U1 on a Bosch induction hob display means: incorrect supply voltage.
- Meaning
- Incorrect supply voltage
- Check first
- Check that the hob is connected according to the manual (two phases are often needed).
- Repair shop
- 0 zł, not a fault
Most common causes
- Incorrect connection
- Voltage fluctuations in the installation
What you can check yourself
Switch the hob off at the circuit breaker for 30 seconds and turn it on again.
Check that the hob is connected according to the manual (two phases are often needed).
If the error comes back, call an electrician to check the voltage in the installation.
- the error keeps coming back after these checks,
- water is leaking or you smell burning,
- the appliance trips the circuit breaker.
Is it worth repairing?
Pick your model and fault. We compare the repair cost with what the appliance is worth.
Open the calculator →Questions
What does error U400 mean on a Bosch induction hob?
Code U400 / E9000 / E9010 / U1 means: incorrect supply voltage. The most common causes: incorrect connection, voltage fluctuations in the installation.
Can I keep using the induction hob with error U400?
If the error goes away after the checks above, yes. If it keeps coming back, water leaks, you smell burning or the breaker trips, stop using it and call a repair service.
Other codes: Bosch induction hob
- F1 / F6the hob zone overheated and switched off
- F2 / F4 / E7015electronics overheated, hob zone switched off
- U2 / U3the heating element overheated
- F5hot cookware near the control panel
- dEdemo mode is on
- F8automatic shutdown after the zone ran too long
A code can mean different things on different models and years. Always check the manual or the manufacturer's support page too. Repair prices are approximate, for repair shops in Poland.