Arrived at Commercial building and started with unit on right side. Killed power to unit and started checking motor controls. System has a single motor control which was reading a little low, and the dual motor control that was reading low. I then checked out contactor and contacts were black and pitted. Contactor needs replacing too, blower motor (good), mother board (good), 24v (good), 240v (good). Coil cleaned and brushed to get dirt out of coil. Made sure pvc pipes were cleared and no back up drainage. Condenser fan motor is exceeding max amps, fan motor will fail. Condenser fan motor needing to be replaced. Compressor is exceeding max amps and will soon fail. Compressor using 20 amps and limit is 19.4. I recommended replacing whole package unit, because replacing all the parts internally will not fix compressor issue. Compressor is heart of system, system was low refrigerant of R22. There may be a leak in system, my pressures were really low on the low side. There is piping freezi