Service Ticket Issue: AC System not cooling and T-stat screen is blank. Technician Service Report: Upstairs unit filter panel blew off. Filter too dirty. Customer will replace. Reset system. Unit working good after a full system restart. Downstairs system shut down due to Condensate lines being plugged. Replaced tubing. System running good after restart. Thank you for allowing Air Doctorx the opportunity to provide you with the highest quality of comfort and service for your home.