Came out because the customer was concerned about her heat working only some of time. After performing a full diagnostic check of the system. We found that the 2017 package unit had a bad crankcase sensor as well as a bad ambient temperature sensor. The solenoid on the reversing valve is also bad so the reversing valve e will need replaced. We disabled for now so that the customer can get some heat in the house. We will need to replace these parts to get the system working to specifications. the part need to be ordered. According to the York office it will take 7 to 10 business days to arrive.