Dyson Air Purifier Error Code F12: How to Fix It
Medium 20-45 minutes Medium Severity
Verified June 2026
- Error Code
- F12
- Brand
- Dyson
- Product Type
- air_purifier
- Severity
- Medium
- DIY Difficulty
- Medium
- Estimated Fix Time
- 20-45 minutes
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Tools You'll Need
- Phillips screwdriver
- Soft brush or compressed air
How to Fix Error Code F12
-
Perform a Hard Reset
Always unplug the device before any troubleshooting. -
Check and Clean the Pump Area
Do not use water or cleaning fluids near electrical components. -
Replace the Pump
If you are not comfortable with electronics, seek professional help.
Parts You May Need
Internal pump
Check Price on Amazon
Internal pump
Check Price on Amazon
Internal pump
Check Price on Amazon
Internal pump
Check Price on Amazon
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When to Call a Professional
If you are not comfortable disassembling electronics, or if replacing the pump does not resolve the error, contact Dyson support or a certified technician.Frequently Asked Questions
What does error code F12 mean on a Dyson air purifier?
Error code F12 indicates an internal pump fault. The pump that circulates air is malfunctioning.
How do I reset my Dyson air purifier after an error?
Unplug the purifier from the wall for 60 seconds, then plug it back in. This hard reset often clears temporary errors.
Can I replace the pump myself?
Yes, if you have basic DIY skills. You will need to open the unit, disconnect the old pump, and install a new one. Always unplug the device first.
Where can I buy a replacement pump for my Dyson purifier?
You can purchase a compatible pump from Dyson's official website, Amazon, or other appliance parts retailers.
Is error F12 covered under Dyson warranty?
If your purifier is still under warranty, Dyson should repair or replace it free of charge. Contact Dyson support for assistance.