In this HVAC Training Video, I Show How Several ECM Multi-Speed Fan Motors Work and How to Troubleshoot Them to Determine the Problem. I Show Measurement Voltages, What Should Happen, and Where to Visually Inspect. Blower Motor Won't Shut Off, Blower Won't Turn On. Blower Ramps Up and Down. ECM Motor Terminal Wiring. Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.

Tools Used In The Video

UEI DL479 Multimeter With Temp Sensor http://amzn.to/2jtsUbJ
Magnet Jumpers- https://amzn.to/2PyKPQZ
Alligator Jumpers- https://amzn.to/2PxqJXn
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
Our Related Videos/Articles

ECM Multi-Speed and Variable Speed Blower Motor Troubleshooting Playlist:
https://www.youtube.com/playlist?list=PLxnHR5_D2ojysb57KfR95xEU_B4Wbw_SK
Full Blower and Fan Motor Troubleshooting Playlist: https://www.youtube.com/playlist?list=PLxnHR5_D2ojyDrxCT9MIttGW4wxOZ3n-7

https://youtu.be/locNv9WsanA
https://youtu.be/lKsIgjEJDII
https://youtu.be/lO5PArRF9rg
https://youtu.be/flbUtLMeSOQ
https://youtu.be/uHXw8o_YoZk
https://youtu.be/5GITgsRmSZ4
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
Our HVACR Educational Books, E-Books, Workbooks, Cards, Posters, and PowerPoints:

All Our Educational Products on Our Site: https://www.acservicetech.com/store
All Our Educational Products on Amazon: https://amzn.to/48pDd82
Mini Split Book and E-Book on Our Site- https://www.acservicetech.com/mini-split-book
Mini Split Paperback on Amazon- https://amzn.to/3ytHJSs
Mini Split Paperback on TruTech Tools- https://www.trutechtools.com/BooksGuides?aff=8
Refrigerant Charging Book and E-Book: https://www.acservicetech.com/ac-book
Refrigerant Charging Paperback on Amazon: https://amzn.to/46xTeHf
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
Our HVACR Online Resources!

Our HVAC Calculators: https://www.acservicetech.com/hvac-calculators
Our Newest Articles: https://www.acservicetech.com/articles
Try our HVAC/R Quizzes! https://www.acservicetech.com/quizzes
Our Other Resources: https://www.acservicetech.com/resources
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
Tools Used in Our Videos!

Tool Links on Our Site: https://www.acservicetech.com/tools
Our Tool List on Amazon: https://www.amazon.com/shop/acservicetech
Support the Channel by purchasing tools through TruTech Tools!
Use this link https://www.trutechtools.com/?aff=8
Save 8% at checkout using code "acservicetech"
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
Follow Us On Our Social Media & Podcasting Channels!

Patreon: https://www.patreon.com/acservicetech
Facebook: https://www.facebook.com/acservicetech
Instagram: https://www.instagram.com/acservicetech/
X: https://twitter.com/acservicetech
LinkedIn: https://www.linkedin.com/company/ac-service-tech-llc
Tiktok: https://www.tiktok.com/@acservicetech
Spotify: https://open.spotify.com/show/74KXLz5uJoQZXG8V5F2r9n
Apple Podcasts: https://podcasts.apple.com/us/podcast/ac-service-tech-answers-podcast/id1522359430
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
️ Disclaimer:
Information in this video is intended for educational purposes only. Any work related to the topics in this video should be performed by licensed technicians or by apprentices under the supervision of licensed technicians. AC Service Tech LLC is not responsible for any possible damages or injuries caused by the use or misuse of any information provided. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
#hvacr #hvacr #hvactrainingvideos #hvactraining #hvactraining101 #acservice #acservicetech #blowermotor #blowermotor #multispeed #troubleshooting #diagnosis #ECM #ecmmotor
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
Shop through Amazon! Your Purchases through Amazon provide a means for channels such as mine to earn advertising fees from all purchases after clicking through. Prices are the same as normal.