xpe-13-5010

Good morning,

Im new in this forum, I just want to know how to solve this problem.
I check the eu filter but it is already broken but my question, is that normal that the filter has a little damage? because sometimes my Igen is working but when i open the front main door of the Igen the AC is not totally working, and their a times that maybe after 2 hours the machine is automatically working and the problem dissapear, but this morning i need to clean and replace the corotron and when i will start to print im facing the same problem.

sorry for my poor english, i hope you can help me.
thank you and god bless