I cover how the relays on a blower motor's control board work! This control board is used with non-ECM blower motors. . . . #hvac #hvacservice #hvactechnician #hvactraining #hvacdesign #hvacmaintenance #acservice #hvactech #hvaclife #hvactechnician #ECM #blowermotor #controlboard #relay | AC Service Tech LLC

Blower motor circuit tracing using wiring-diagram voltage checks Learn how to use wiring diagrams to troubleshoot blower motor failures with step by step guidance for tracing power flow, checking voltage, testing motor windings, and diagnosing relay and safety switch faults. This practical guide covers wiring diagram reading, circuit tracing, multimeter voltage checks, continuity testing, insulation resistance tips, and how to interpret schematic symbols so HVAC technicians and homeowners can is

In disassembling a blower motor, it is important to be careful to prevent damaging the parts. Always refer to the instructions in the manufacturer’s maintenance and repair manual, and use proper tools for it. Watch the full video on the HVAC School website to learn more cleaning tips for air conditioner blower wheels. https://buff.ly/3XGfKJl #HVAC #HVACSchool #HVACtipsandtricks #HVACmaintenance | HVAC School