Today I was dispatched to a system tuneup. When I arrived, the customer said that yesterday the unit stopped working. I found the outdoor unit throwing a low pressure lockout code when I reset the code the system started up my pressures. Look normal for the cooler weather today. The refrigerant lines freeze up almost immediately in the condenser. After going over everything with my field support tech. We have diagnosed a bad TXv. We are going to replace the coil and TXV. Customers are gonna give us a call Tuesday morning if they do not hear anything from us by Monday. Thank you for choosing LBA