2014 Trane XC 95M Upon arrival today the dining room / kitchen system was below the set point calling for heat with only the inducer motor running. Four pages of diagnostic service codes between April 13th and today. All service codes indicate a intermittently failing integrated furnace control Install replacement IFC control board upgrade kit including inducer variable speed module Test run system in heating mode and cooling mode from the XL950 communicating control with no errors or faults Replace all basement air filters and shut down both humidifiers for summer Cooling maintenance will be performed next week *Homeowners will complete invoicing with online pay