2013 water furnace 7 series NVV060 5T variable speed. Pressurized two pump flow center, intelliZone 2 Upon arrival today for Westin Air's first ever inspection on this equipment installed by a different contractor, the equipment is in non-running heat pump condition heating the house on auxiliary only. Homeowner's primary concern is no communications with the Aurora web link. Equipment is currently in active lockout on E5 freeze protection with submenu - Suction temperature sensor. Equipment also has the following list of relevant diagnostic service codes E3 low refrigerant pressure - 43 times E5 freeze protection FP1 -74 times E7 condensate shutdown - 63 times E72 suction temperature sensor - 57 times Initial run testing discovers that the ground loop system is at 0 PSI, refrigerant pressures are very low and short cycling on low pressure safety switch at 40 PSI in heating mode, and the suction line temperature sensor has failed displaying -112°. The leaving air temperature has al