ERROR CODE EXPLAINED
Bosch Unlimited Cordless Vacuum
Bosch Unlimited Cordless Vacuum Air channel blocked Error Code
What it means
The vacuum fan thermal protection activated because the air channel is restricted.
Try this first
- Turn the vacuum off.
- Disconnect it from power.
- Empty the dust container.
- Clean the filter.
- Check the suction pipe and attachments for blockage.
- Allow the vacuum to cool before restarting.
Can I keep using it?⚠ Airflow restriction
Repair usually required?✅ Usually no
If the error keeps returning
If the message returns after the airflow path is cleaned, contact Bosch support.
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.