Call for no heat, on arrival system was calling for heat, homeowner said that when temperatures get low system does not keep up and never has since installed, found that the system was wired incorrectly, Heat-strips was wired to stage 2 and there is no stage 2 so they never got a call to turn on, wired correctly and checked operation heat strips energized, checked pressures they were good pictures attached, she signed up for a maintenance will need to schedule her to return and perform maintenance.