Arrived checked air handler. Opened the panels and noticed oil residue. Gave quick scan with leak detector immediately hit on multiple spots. Evaporator coil has refrigerant leak. Blower wheel dirty. No wet switch. Checked condenser. Found high voltage going to contactor disconnected. Reconnected high voltage to contactor and cycled breaker on. Breaker immediately tripped. Removed compressor out of series. Fan motor turned on. Removed top of condenser and checked pins at compressor. Compressor is grounded. Contactor pitted. Recommend system replacement. System over 10 years old out of warranty. Based on our findings today, it might be time to think about getting a brand new system.