Responded to inadequate cooling for the whole house. Customer stated that prior to our arrival, previous company recharged the system with 410a but the condenser was designed for r22, causing compressor to seize. Company replaced condenser with a 410a system. Started my diagnostic and found several issues. Outdoor board had an error code (11 flashes) indicating W and O terminals are calling at the same time. Found short in thermostat wires. Once wires were fixed system started up, let run for 20-30 min, pressures were not looking good, head pressure was extremely high and the superheat and subcooling were both at 33-35. Upon further inspection found 410a indoor coil had an r22 TXV installed. Recovered refrigerant, pressure checked for any leaks and flushed lines with RX11 before replacing TXV. Replaced with R410 TXV, pressure checked and did a triple evacuation. Added new refrigerant to system started and tested. System is now cooling but the compressor is showing signs that it may