If cleaning with a non-conductive abrasive pad doesn't restore the signal

Check for 120VAC at the primary side

What power source is required for the QFM2100

the 0271F00112S is the blower housing only

Lennox 10Y59 Module Freon If cleaning with a non-conductiveThe Lennox 10Y59 is a high performance 5. 0 Programmed Motor Module designed for precise ECM blower motor control in premium Lennox HVAC systems. As an essential OEM replacement part, this module serves as the direct replacement for R46132 102, ensuring seamless mechanical and electrical integration without the need for field programming. This variable speed motor controller is engineered to optimize airflow by continuously adjusting blower motor