Sanyo Air Purifiers - Page 5 - Recent Questions, Troubleshooting & Support
Red light in on my purifier an how to fix
As errors and fixes vary by brand at least and sometimes by model as well, that minimum information is posted with a query. On some models, it would mean that the filter needs replacement, that its filtration ability had fallen below an acceptable threshold. On others, it would mean that pollution has been detected. The user manual should indicate what it means. Possibly, you might find information at the brand site or at a user manual site or just by Googling "brand model air purifier red light"
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