Dyson Air Purifier Error Code F1: How to Fix It

Easy 15-30 minutes Medium Severity Verified June 2026
Error Code
F1
Brand
Dyson
Product Type
air_purifier
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
15-30 minutes
Error code F1 on your Dyson air purifier indicates an internal sensor fault. This usually means the sensors that detect air quality or temperature have malfunctioned. Don't worry, this is often a simple fix you can do at home without calling for service.
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Tools You'll Need

How to Fix Error Code F1

  1. Reset the Purifier

  2. Clean the Sensors

    Ensure the purifier is unplugged before cleaning.
  3. Check for Blockages

  4. Replace the Filter

    Only use genuine Dyson filters to ensure proper fit and performance.
  5. Perform a Hard Reset

Parts You May Need

Dyson air purifier filter
Check Price on Amazon
Dyson air purifier filter
Check Price on Amazon
Dyson air purifier filter
Check Price on Amazon
Dyson air purifier filter
Check Price on Amazon
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When to Call a Professional

If the error code F1 remains after trying all the steps above, or if the purifier displays other error codes, contact Dyson customer support. There may be a faulty sensor or main board that requires professional repair.

Frequently Asked Questions

What does error code F1 mean on a Dyson air purifier?
Error code F1 indicates an internal sensor fault. The sensors that detect air quality or temperature are not working properly.
How do I reset my Dyson air purifier?
To reset, unplug the purifier for at least 10 minutes, then plug it back in and turn it on. You can also perform a hard reset by holding the power button for 10 seconds while unplugged.
Can a dirty filter cause error F1?
Yes, a dirty or clogged filter can cause sensor errors. Replacing the filter often resolves the issue.
How to clean Dyson air purifier sensors?
Use a dry cotton swab to gently clean the sensor openings on the front of the purifier. Ensure the unit is unplugged before cleaning.
Should I call Dyson for error F1?
If the error persists after trying all troubleshooting steps, you should contact Dyson customer support for further assistance.