Performed A/C tune-up on a Carrier heat pump system. Checked the electrical, mechanical and performance systems of the unit. Cleared, cleaned, flushed and treated the drain line and cleaned the exterior of the air handler. Removed the leaves at the outdoor condenser and washed the outdoor coil. I found the outdoor started was pitted and the outdoor fan motor was showing signs of overheating. I spoke with the homeowners and they agreed to have the contactor and fan motor replaced. They also chose to have surge protection devices installed. I completed the repairs and cycled power at the thermostat to function test the system. No other major issues were found. The system is running at completion of service.