Bosch Cooktop / Rangetop
Bosch Cooktop / Rangetop E9011 Error Code
What it means
The cooktop detected incorrect supply voltage or an incorrect electrical connection.
Try this first
- Disconnect cooktop power.
- Do not continue using the appliance until the electrical connection is checked.
- Have the supply and installation inspected by a qualified electrician.
If the error keeps returning
If E9011 returns after troubleshooting, Bosch recommends customer support or qualified service.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →