View visual findings from this job here - https://visionshare.xoi.io/?id=XA-A243-2DEC6A2CBCB245BB9767FD794F6175E0 Customer second floor back up heater system is not working properly: * At arrival found thermostat calling for heating at 72 and satisfied at 72 * Call for heating from the heat pump system to confirm that both the condenser and air hammer are on and running and the suction line is hot- Normal operations * Auxiliary heating is being called from the thermostat, but the auxiliary heat is not turning on * Confirm that there is no call at the air handler for auxiliary heating even though the thermostat is calling * Check wiring at air handler- okay * Check wiring at thermostat- okay * When checking voltage at the air handler and touching wiring the system contact pulls in and begins aux heating operations and then shuts down * Found loose wire connection inside air handler for AUX heating- secure connection and test operations- normal * system was tested in both heat pump and