amber light indicates ionization, not ozone. ozone is generated only if you can smell it. You can fix your unit, trade it in for a brand new one or find additional help here: https://freshairpurifiers.net
xl has not been manufactured for over 10 years now, so it's at least 10 years old. You can fix your unit, trade it in for a brand new one or find additional help here: https://freshairpurifiers.net