Ecoquest Fresh Air Air Purifier "blue light stays starter" Questions

...blue light of my EcoQuest Fresh Air Purifier flashes When I turn the purifier on, it sometimes says to replace the lamp and then the blue sometimes stays on for awhile but the eventually starts ...

...blue light goes out, fan still works, reads light works intermittently, and fan stays on, says perform cleaning which I have done, have put new plate in. Do I need a new bulb? new honey comb, new ...