Ionic Fan I Have An Ionic Breeze Air Purifier. It Won"t Work Correctly?

I have an Ionic Breeze air purifier. It won"t work correctly? - ionic fan

I have neither the time and stopped after cleaning and lights flashing fan speed. If set to medium term, is by light flashes and will not let me on. He has the power simply does not work, because the flashing light. You can use a thorough cleaning is necessary, but someone has other ideas or suggestions. He is 4 years.