HVAC Blower Motor FAN WON'T TURN ON, NOT WORKING! Top 10 Reasons/Problems! Heat and AC!

In this HVAC Training Video, I Show 10 Common Blower Fan Motor Problems and I Explain Why The Blower Motor is Not Running, Not Working during Fan Mode, Air Conditioning Mode, or Heating Mode! Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.

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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 #fanmotor #airconditioner #top10 #hvacproblems
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[jeffroberts]

Following your checklist, I was able to eliminate all possibilities except #6 - failed control board. Sure enough, when I pulled the board out and inspected it closely, one of its tiny components had been deep-fried. Thirty minutes later after a trip to a local supply house, the blower was running normally again. Fixing problems like this can be simple; identifying what needs fixing is where expertise like yours is so valuable. Many, many thanks for sharing!

[robertxerri]

Former USAF 3E tech from 20+ years ago. I enjoy watching your videos to remind me of a past life with zero stress and working with my hands.

[clayman]

After too many hours of youtube to admit, I still haven't solved my problem. But this is by far the most informative video I've seen, thank you very much!

[BigPowerAL]

Passed my EPA 608 Cert. and moved into our HVAC group. Just bought your book and appreciate your detailed descriptions. It’s good to a newbie like me. Cheers!

[chadryanh]

Why would anyone give this video a thumbs down? You couldn’t find a better video explaining what could be wrong with your blower. People hate for no reason other than to be ignorant.

[smiler]

AC Service Tech has the best HVAC channel on YouTube. Always top-quality videos!

[cookmaster]

SIR - You are God Send Help. THANK YOU A MILLION AND I WILL NEVER FORGET YOU.
My situation was the Inside Air Handler or Evaporator Blower motor wouldn't turn on, while the outside compressor condensing unit will turn on. I was afraid that the air handler motor /Capacitor / relay would be the culprit and perhaps even the controller board. I have changed the motor / cap and relay on the condensing unit but never messed with the Air Handler Blower or the inside unit and was dreading it. Your Video saved me from no telling what kind of an expensive ride I would have had with those AC repair service surprises. Mine is a 35 year old Goodman unit and probably doesn't have the ECM etc since it is a single speed motor. I watched your video in full and was going to go step by step. I followed Step 7 (the thermostat) first since it was easy and never knew thermostat could cause an issue while allowing the condensing unit to come on. I removed the Battery, measured the voltage was reading 1.334 and was hoping a new BATT would help. Guess what i put a new battery and the Fan handler came on and the AC is working now. Never realized that thermostat showing to be in working shape could cause this. May God Bless you for your Great Service and Once again a Big Thanks to you and you are TRULY GOD SEND HELP.
One question sir - Is it normal for the condensing unit to come on first and the Air handler fan to turn on after a 25 second delay. I dont think it was like this before. Is this some symptom of some thing coming... Thank You.

[chefblair]

Wow. Thorough is an understatement. If I spent a few hundred hours on this channel I might never need a tech service call.

[fernandofrancisco]

I like the way you explained everything. Step by step no way you can miss it .You are the master of HVAC thanks again Craig.

[chinkapinfishwych]

Excellent tutorial. Step by step troubleshooting, very good camera work, clearly understood audio. Kudos.

[jqj]

Very very helpful (understatement of the year) . You helped me narrow down what was going on with my blower motor. It was a bad thermistor in my ECM. You easily saved me a grand or 2!

[charlesonyango]

Thank you. This is one of the best explained troubleshooting videos on YouTube.

[dandearman]

You got my attention at 8:50 with your yellow magnetic jumper wire. Never seen these anywhere before and I see Amazon has them. I troubleshoot a lot of industrial machinery and with most of the terminal strips there is no way to attach a meter lead and a person only has two hands. I was going to make some of these leads and bought and received some small neodymium magnets. Another thing is why a person should use a bleeder resistor instead of a screwdriver to discharge a capacitor is because some capacitors have an internal fuse and if you use a screwdriver you run the chance of blowing the fuse besides blowing the tip off of your screwdriver. Great job.

[patrickdalton]

Great video very informative and clear my blower works intermittently will try some of these troubleshooting tips

[tlee]

Thanks Craig. Bought your book on Amazon recently. Love it. Worth every penny & then some. Thank you for giving back to society.

[macboyyhd]

A note on the thermostat face: after I changed my batteries, I still had to jump one of the connections before the face could become functional again. I also tested my cap, it was on the lower end of its capacitance rating, but I wonder if draining it and putting it back did something as well… one of my EE coworkers recommended I try that specifically.

Anyway, thanks for the awesome video!!

[bretgin]

Thank you for putting together this very helpful list of common HVAC issues. Very logical with clear testing steps.

[altarbillies]

Thanks for the video...did the easiest thing and checked the batteries...yup, they needed replacing...thank you!!!

[waymor]

Whew! It was the thermostat batteries. This just happened tonight. I heard the burner ignite and the gas flow but noticed the fan didn’t start a few minutes later like it normally does. I turned off the heat and turned on the fan and nothing. I’m thinking the fan motor is shot or maybe the capacitor. Did a quick YT search and found your video. I never would have thought of the thermostat batteries. The display did not show the BATT indicator. I replaced the batteries and the fan is working. Thank you.

[gbasplen]

Thanks. By testing my blower motor resistance and not seeing/smelling any indication of burning, and noticing the motor turned freely I purchased a new control board and that fixed the problem!