Bosch Cooktop / Rangetop dE Error Code

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What it means

Demo Mode is active and the cooking zones will not heat.

Try this first

Disconnect cooktop power for 30 seconds.
Restore power.
Touch a cooktop control within 3 minutes.

Can I keep using it?✅ Demo Mode active

Repair usually required?✅ Usually no

If the error keeps returning

The cooktop should heat normally after Demo Mode is disabled.

Official source

Troubleshooting information verified against manufacturer support documentation.

View manufacturer support page →

Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.

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Bosch Cooktop / Rangetop dE: Quick Answer

What it means: Demo Mode is active and the cooking zones will not heat.

First thing to check

Disconnect cooktop power for 30 seconds.

Can I keep using it?

Demo Mode active

Repair outlook

Usually no

If the code remains

The cooktop should heat normally after Demo Mode is disabled.

Model note: Error-code meanings and procedures can vary by model and model year. Confirm the code against the documentation for your exact appliance before replacing parts.

Manufacturer reference: bosch-home.com