It is recommended that when a compressor is being replacing a complete evaluation of the part and system be made. Changing the compressor is one of the larger repairs that a service technician can encounter during the repair of a heating and cooling system. This checkout form has been developed to help guide the technician through the repair process.
Testing the existing compressor
Important Note: Before making any electrical checks disconnect all electrical power to system including Indoor and outdoor power sources.
To make the following tests disconnect power wiring going to compressor!!