Check system checked blower motor and blower wheel cleaning evaporator coil check duct work and Wipe the duct work installed a hard start kit and a float switch check fan motor and compressor check contactors and capacitors System is a 2015 system. Model number for air handler. ARUF37C14AA And serial number for air handler. 1504005679. Model number for outdoor unit. GSZ140361KA. And serial number for outdoor unit. 1503404120