SERVICE CALL: upon arrival homeowner stated the hvac system for second floor is not working properly. After complete troubleshooting I found the Air handler Bryant 3 years old 2 1/2 ton capacity the Ecm blower module Control failed and the system start ice up when is running i verified manufacture warranty and the parts are cover under warranty but not Labor. Homeowner declined any repairs at this moment. Thanks for Choosing TE CERTIFIED. Brand of equipment. BRYANT P N . HD42AQ25