ECM Fan Motor Won’t Turn On or Won’t Shut Off on HVAC Unit! Testing the Board and Fan Motor!
#ECM #Fan #Motor #Wont #Turn #Wont #Shut #HVAC
“AC Service Tech LLC”
In this HVAC Training Video, I Show how to Troubleshoot Whether the ECM Fan Motor or the Main Circuit Board in the Furnace or Air Handler is Bad. I Show the Measurement Points to be Able to Diagnose This Effectively When the Fan Either Won’t Turn On or Won’t Shut Off. ECM Constant Torque and ECM…
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