Dyson Air Purifier Error Code F8: How to Fix It
Easy 10-15 minutes Medium Severity
Verified June 2026
- Error Code
- F8
- Brand
- Dyson
- Product Type
- air_purifier
- Severity
- Medium
- DIY Difficulty
- Easy
- Estimated Fix Time
- 10-15 minutes
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Tools You'll Need
- Dyson Link app (smartphone)
- Router admin credentials (optional)
How to Fix Error Code F8
-
Check Your Home WiFi Network
-
Restart Your Dyson Air Purifier
Always unplug the appliance before performing any restart. -
Reset the WiFi Connection on the Purifier
-
Reconnect via the Dyson Link App
-
Check for Firmware Updates
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When to Call a Professional
If the purifier still shows F8 after completing all steps, the WiFi module may be faulty. Contact Dyson Support for assistance. Do not attempt internal repairs yourself.Frequently Asked Questions
Does error F8 affect air purification?
No, the air purifier continues to run and filter air manually. Only WiFi features like app control, scheduling, and monitoring are disabled.
Why does my Dyson air purifier keep losing WiFi connection?
Common causes include weak WiFi signal, interference, router changes, or a need for a firmware update. Ensure the purifier is within range of your router and that you are using a 2.4 GHz network.
Can I use a 5 GHz WiFi network with my Dyson air purifier?
No, Dyson air purifiers only support 2.4 GHz networks. If your router broadcasts both bands, make sure your phone is connected to the 2.4 GHz band when setting up, or temporarily disable 5 GHz in router settings.
How do I factory reset my Dyson air purifier?
To factory reset, hold the 'Standby' and 'Arrow Up' buttons simultaneously for 10 seconds until the display shows 'Resetting all product settings'. This clears all WiFi data, including stored networks.
What does F8 mean on a Dyson air purifier?
Error code F8 indicates that the purifier has lost its WiFi connection. It's a network-related error, not a hardware malfunction.