replacing it with this OEM Trane thermistor will clear the fault and restore sequence of operations

Common issues include moisture contamination from the heat exchanger or electrical wire harness corrosion

you can program up to 14 discrete setpoints with to-the-minute precision

and flame sensing with industrial-grade accuracy

Carrier HD56FR235 Motor 328140-751 replacing it with this OEMThe Carrier HD56FR235 is a high performance 1. 7 HP blower motor designed for demanding commercial and industrial HVAC applications. This three phase motor operates on a versatile 208 230 460V power supply, making it a staple for technicians servicing Carrier package units and large scale air handlers. Running at a synchronized speed of 1725 RPM, this heavy duty motor ensures consistent static pressure and optimal airflow across complex duct systems.