“I have only had this purifier for 3 months and it keeps giving me an F4 code? Thank you”
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Hi Terri, this is Kelly with Dyson. When your non-washable filter needs replacing, you will see an F error code on the display. You will need to replace the filter, and then reset the appliance to clear the code. To do this, turn the power off, wait 60 seconds and then turn the machine back on. Best wishes, Kelly Dyson Customer Support
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