Troubleshooting Carrier AC Unit Not Cooling
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- Опубликовано: 13 окт 2021
- On this video I show how to troubleshoot a Carrier AC unit that is not cooling.
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#propertymanagement #maintenancetechnician #multifamilyhousing #apartmentmaintenance #handyman #Tallahassee 
Развлечения
Link to SUPCO M500 Megohmmeter: amzn.to/3BEKIHr
If you'd like to support the channel, you can do so by shopping for tools or whatever you need on AMAZON at no extra cost to you through this link,
amzn.to/3lDwxx1
Tools That Can Make You Easy Money: www.dirtymaintenancenation.com/diy-tools-for-men/
If I've provided any value for you and you'd like to donate $1.00 or more into my online tip jar, you can do so through this link, (all cards accepted)
squareup.com/store/dirty-maintenance-nation
This page contains affiliate links, which means that if you click on the link and make a purchase, I’ll receive a small commission at no extra cost to you. Lex Vance is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon .com
Hey Lex, I have a weird one for you. I was in my room and watching some videos and then I get a weird burning smell from the air ducts in the air ducts from the main hall where the filter is, the bed rooms and living room where the ac ducts are and started smelling a burning rubber or medal smell it was something I never smelled before. About half a minute later all the house alarms started going off and when fire fighters came to find the cause they noticed the fan was running different then usual, We had a Brothers Technician come out, It's a Carrier unit and couldn't recreate the situation. We found the out door unit had a cap going so I am going to replace it. If it's the Fan or Motor, I am not going to mess with it as it's out of my expertise. But I wanted to get your opinion on what you think it could be. The Fire Crew noticed the fan was abnormal and the tech noticed it was different then usual but didn't deem it unsafe and it didn't re occur. Thank you in advance Lex Vance. Also don't forget to leave some skids on the next power slide ;)
@@Mayu_Listen_to_my_Song Yes, sounds like the fan motor got hot and was cooking. Time to replace it. I hope all works out for you!
@@LexVance Thank you Lex, Much appreciated. So to follow up, apparently it wasn't the unit that was melting. Originally we thought it had been the furnace fan motor or fan itself was cooking. But the Tech couldn't find any signs of it. When the fire fighters noticed the breaker on the panel was warm but NOT hot, they were puzzled as there had been no signs of crisp on the inside or outside unit. The out door unit's cap may be going bad but it has not caused a issue and the fan outside lags because of it but eventually gets up to speed without issue. I am going to replace the cap after the part comes in. So this morning coming home from work, my Nana is washing dishes from yesterdays dinner and found that a rubber pot handle had gotten charred. I didn't notice till after the fire fighters got here I had subconsciously turned off the stove burners on both sides after all the alarms went off without thinking and as I am on the phone and the minute the FD starts pulling up, all the alarms stopped going off and I didn't think much of it at the time but I noticed it and was confused at first but focused. The unit is two years old but man that was something.
you dont leave any questions unanswered, you keep bringing different situations up and tirelessly go thru each solution.thank you .heart of a good teacher a man whose ultimate language is music language of love and peace, Hey by the way Gabos tacos is closing its doors after 35 years in tallahassee ,sad
That's sad about Gabos. Thank you so much for watching TV Computer!
Good find on the bad compressor. I think the install crew did a careless job installing the units. They get in and out as fast as they can. Another great video Lex!
Good to hear from you Danny!
Good job buddy, way to go the extra mile by disconnecting all the compressor wires and starting it up one more time. Grasshopper is becoming the teacher. 😎👍
Good to hear from you Shannon!
Sorry you have deal with those carriers, good job. Thanks for sharing the video! Be safe!
Good to hear from you Phillip!
My man Lex Dropping Gems again!! I Salute u Sir!!!
Good to hear from you Hector!
Nice troubleshooting as usual. Thanks for your tips.
Thank you so much for watching Robert!
A couple of observations:
1. Thank you for the trimmed-down formatting that lacks the minutes of conversation, drive-time, etc.
2. I still think you live on another planet as I have still never seen a condensing unit with these teeny 15-amp electrical breakers.
Regardless, thank you so much for the excellent videos!
👍😆👍 Right on Big N8! I thought the same when I got to this property. All 300 AC units run on a 15 amp breaker. The installers said, "It's all good". Thank you so much for watching Big N8!
Thanks for another good video have a great day 🙏👌🏻
You too, Ricardo! Thank you so much for watching!
Man 1 year old unit,shoot guess that subcontractor won't be getting any more play in that development.
Good video!!
Trouble shooting on the next level scale!!
Thank you so much for watching James!
Home run Sir Lex-A-Lot ... Very informative vid as usual ... And video compressor replacement please ...
Thank you so much for watching Eddy! This one's gonna be a rush job due to a move in the same day the compressor comes in. I won't be able to film but I do have a compressor change video right here:
ruclips.net/video/vbrNb9mYQEY/видео.html
You are majestic !
Thank you so much for watching J L!
Good job
Thank you so much for watching Leslie!
Hey Lex , great video . I like to ask you For a favor. Can you make a video about changing the compressor out from start to finish how do you recover the Freon and all that. That will be great . That’s where I need to live it more help on. Love all your videos. Just be safe out there
There's videos on how to recover refrigerant. It's easy. Here's a video of me changing a compressor out:
ruclips.net/video/vbrNb9mYQEY/видео.html
I’m sorry the beginning of this video was hilarious “what’s going on skid we got a no cooling call…..what is that?!?!?” Lmao that was just funny to me great video lex
Instead of dude, I say skid. I had an uncle who drove racecars that we called Skid. Like skid marks on a racetrack. I always thought it was funny and started saying it. Thank you so much for watching David!
@@LexVance lex, it seems you have to answer that Skid question every new video! I had the same question myself the first time I watched one of these. Let me make a suggestion- why don't you make a short "fun" video where you tell that story and explain some of your little Lex-isms. Then, on each new video, you can put a note on the screen about Skid, then a link in the desc to the explanation video. Might be fun and save you some repeating!
Nice video man
Thank you Chess!
Man ive been doing hvac for 19 years. Id take a goodman anyday over carrier trane or lennox. Rheem and goodman for me cuz
So true! Thank you so much for watching Joshua!
Lennox is in their own world with their pressures and sc/sh
hey lex. enjoying your vid man. being binge watching it all weeks. because I just got a job in hospital building tech and I have no experience in it except for my practical training during study for 6 month in a factory. just wondering should I buy the tools needed before my 1st day or it will be supplied. all I have are a test pen and multimeter. I also need to travel to my neighbor country for this job. so should I prepare before taking the plane? or just run with it? hoping for the best.
Awesome Taufiq! Do a little preparing so you'll be ready to strike when opportunity knocks. Here's a link of a list I made of some tools that new maintenance technicians should have: www.dirtymaintenancenation.com/must-have-tools-for-maintenance-technicians/
Thanks for being very informative. There is always a different way to skin a cat. Again Thanks.
You're welcome! Thank you so much for watching Robert!
Well Lex I’m a couple weeks into working at the hotel. I can say that yes no on call is nice. And not being supervised (2nd shift) is also nice. Just do the work and go home… I will say that I’m not liking it so far because of how boring it is. At apartments you can walk around outside in beautiful environments and decorated apartments. Hotels it’s the same rooms over and over again. Think I may actually end up going to apartments but I’ll keep you updated lol.
Right on thank you Chris. I've always wondered how I would do at a hotel. I love being outside as well. Now that it's cooler weather, I love it. 😆 Not so much when it was 105 outside. Keep me posted, skid!
One thing with unplugging compressor is the fan not pulling enough amps to trip breaker. I had one where compressor was good but a short on leads going to compressor. Just a little info for anyone starting out.
Thank you so much for watching KB!
Hey Lex, thanks for an awesome video! This is random and I’m sure you’re happy where you’re at but have you considered working in hotels? The medium to high end ones pay upwards of $20/hr plus maintenance is typically around the clock so all shifts are available and a large majority of hotels are no on call (this was all I needed to hear. No on call rocks) Plus the more amenities the more perks. Such as the ones that serve food typically offer free delicious food/drinks to the staff everyday. Something to consider. Plus Ptacs are a piece of cake vs split units. And no over furnishing like washer/dryers in each room or whatnot. I see a lot of the guys who switch to hotels don’t switch back. Good luck buddy! Nows definitely the time Indeed is full of them. That being said I’ve only worked hotels for a short while. I’m curious how I am going to like the scenery vs apartments. Not being outside much is great temperature-wise but being outside is kinda nice in its own way. Guess we shall see!
Right on. Keep me posted on your journey Chris!
Will do! Good money and no on call but man I’m already starting to miss the scenery. Seeing the exact (or nearly exact) hotel rooms is depressing vs. decorated apartments. Plus it’s a different crowd. People there for work and travel vs people who are happy and relaxing at home (apartment). Definitely an adjustment. I’ll keep you updated! It’s also interesting to have more staff to talk to. For example at the hotel there is a woman who literally works in this little gift shop. Just by herself in this tiny little gift shop in the corner of the hotel. What an interesting lifestyle. Wake up and go to work in the tiny gift shop. Don’t think I could do that but it definitely makes for some interesting characters. Anyhow I can ramble all day. I’ll keep ya updated!
Best trade in the world
So true! Thank you so much for watching!
Nice
link2-
ruclips.net/video/a3lNZsJQD5k/видео.html
Thank you so much for watching Maintenance Technician!
You said something about nitrogen, what they have to run nitrogen for it to work right?
Also is Rheem a great 3 ton unit, thanks
When they braze the system in with torches, they need to flow nitrogen so there's no oxidation inside the copper pipes. It breaks off and gets into the system and messes up the compressor or clogs orifices.
@@LexVance ok great thanks, is a 3 ton Rheem a great unit with no problems ?
Yup my Carrier is 5-6 years old and BOOM, not working as Spring starts up. In a 2 story house not good on the second floor. The thermostat Ver 1 was a piece of crap as well. Suffered long with that one till they agreed to replace it. WIFI simply didn't work. Will say Ver 2 works fine. Not happy the compressor isn't firing up.
Sorry Joe! 😭
Astonishing to have that many bad
compressors. Hopefully film the
replacement.
600 units. Always something wrong.
Thank you.
Thank you so much for watching Senior!
Two questions Lex, what brand compressor and what brand run cap?
Copeland scroll compressor with Supco capacitor. I replaced the capacitor with a Titan. Thank you so much for watching Speck!
I’ve been considering on getting a job as a maintenance technician. How is the growth in this career and would this be able to branch into other maintenance tech fields such as a maintenance mechanic, industrial maintenance tech, etc.?
Yes, you can branch off into other maintenance fields after a few years in multi family housing. 👍 Thank you so much for watching luv!
@@LexVance thanks for the reply lex!
the factory caps are indeed garbage the lg compressors icp uses aren’t bad they just have to babied during install or you will be replacing them constantly the only compressor Ive had to replace out of 390 went bad because I recovered 18 pounds of refrigerant out a 2 ton unit with a 12 foot line-set
Right on. Good to hear from you central!
I now test every new capacitor before I install them. I have had brand new capacitors be bad right out of the box.
It's so annoying! 😭 Thank you so much for watching Chris!
My Carrier is 4 years old, and compressor was replaced after 1 year. 3 years later I'm told it has gone again, and no longer under warranty, so they want to replace the entire unit. The previous unit had lots of problems, too. We have a AC-specific surge suppressor on it, and it was not tripped. Why would we have so many issues with these units? Is there another brand we should get, or some infrastructure we can put in place to fix the problem?
If the equipment isn't installed cleanly and correctly, lots of issues will happen. They're supposed to flow nitrogen while brazing the copper lines. If not, the copper will oxidize on the inside and once it starts corroding it will damage equipment. Also, things aren't made with quality anymore. Trane is a great brand. However, if installed incorrectly it will not last 10 years. Thank you so much for watching!
@lex what does it mean if the fan is not spinning but the thermostat is working?
It could be a bad capacitor or a bad fan motor or motor is not getting correct voltage. It could be numerous things I'd need to check with my volt meter. Thank you so much for watching Korey!
@lex thanks for the information I missed spoke about the issue is the fan blowing but only hot air 💨
@@FlyTvchannel could be multiple things. I'd need to be there for this head scratcher 🤔.
Just had a 8 year old Carrier die today. Major leak in the A coil. Getting an equivalent model Lennox.
Right on Thomas! Thank you so much for watching!
Did you change apartment complexes or new management company?
Just moved to another property with the same company. Thank you so much for watching Patrick!
I can't get my mind wrapped around the crappy installers work. They definitely threw those systems together skid! On to the next one! Thankfully their still under warranty.
Yep! Still under warranty so the parts are free. 🙏 Good to hear from you Rich!
It’s called “screw the next guy, im finishing this now no matter how hard the future fix will be cuz I won’t be the one fixing it”
It’s nothing new but it’s sure getting worse
With so many compressor failures on new units, is it possible you have an intermittent low voltage issue?
Low voltage? I'm not sure. The compressor runs on high voltage.
@@LexVance what I am talking about is if there is a problem somewhere causing voltage to be less than 240 to the compressors from time-to-time (or all of the time). There are several situations that can cause this, but especially on very hot days when every compressor is running and sucking-up all of the electricity. This will lower the voltage and increase the amperage, eventually taking a toll on the compressors. Something to consider if you haven’t already.
@@brucestorey917 Right on. Once I got the old compressor out and blew the lines with nitrogen, chunks of the old compressor came shooting out. Problem found. 😆 The inside of the old one blew apart.
@@LexVance what were the chunks and what caused it?
@@brucestorey917 The windings inside the compressor. Chunks of metal shot out of the suction line. 😭
100% failed due to improper install. Technically, Carrier should reject a warranty claim and force the building owners to go after the installers for failing to install to manufacturer requirements. As you said, multiple compressor failures. I’d be shocked if Copeland screwed up that bad. Thanks for the video!
So true! I agree 100%. It's ridiculous. Thank you so much for watching Holt!
I have a question, why do you say it was a improper install? what was wrong with the installation?
I just went to a friend's house where a carrier was i stalled two years ago, compressor hard to start, and won't start, getting stuck
Oh no!
Might be a dumb question but what’s a “herm”, you said yellow’s the common and blue is the herm?
Joe hermetically sealed compressor is the proper term.
However herm on the capacitor (cap)
Is all of the term you will get.
Like lex said that just goes to start side of compressor, run side comes from contactor . Hope that helps .
What James said. 👍
Most residential & small commercial compressors are hermetic! (A sealed dome compressor) …. Some large systems are SEMI-HERMETIC like CARLYLE COMPRESSORS!
Where I go to church we have two 15 ton split systems that are Carrier (semi-herm) units! Took over 50 lbs R22 refrig to top one off one day! Had to replace outdoor after some dumb behind tried to steal the outdoor coil!
Jus learn residential you separate the common wire terminal(usually black) on the motors from the run & start terminals on the contactors ! The contactor common capacitor side & the fan motor common wire do not go on the same side!!! I had a guy trying to do ac call me up…. And he wired wrong way & capacitor blew up on him!?!?! Prob ruined compressor too! When you’re learning pay attention to how capacitors & compressors are wired up! The compressor is the heart of the AC/Heat pump!
@@orlandojohnson5742 Thanks!
plis help Mr. 5 pk kaset trouble FO
I'd need to be there for this head scratcher 🤔.
👍
Thank you so much for watching C!
Mine same way only 2 years old. Carrier not making good ac anymore.
So true. Thank you so much for watching Zoot!
I would say it's more of a install problem than Carrier.
Yep. I agree. Thank you so much for watching KB!
I have had several carriers go down at the property I'm at now recently. I'm not impressed.
Same here. Good to hear from you Owen!
Compressor bad they didn’t flesh the system properly before new install
So true! Thank you so much for watching!
Cost efficient
Thank you so much for watching Brenda!
Those carriers come with a crap capacitor doesn’t even give you a warning when it goes. Titan hd, MARs and trade pro is the way to go.
Yep! I put a Titan on there. Thank you so much for watching Charles!
ICP just be putting any ol thing on those condensers 🤣 I installed one for a friend over the summer and now I’m dreading the day he’s gonna call about his new system being a piece a crap before a year is even up 😂.
Well, I watched this video after discovering ice buildup on the indoor unit coil.
If the fan is working inside, that usually means it's low on Freon/refrigerant. Thank you so much for watching Weston!
@@LexVance Well, Only if we could find out where the refrigerant is leaking out.
@@westonhuffman7908 Yep, that's the hard part. Squirt soap bubbles on all the welded joints. If you can't find it on any joints then it's usually in the air handlers coil. Then it needs to be replaced.
Man, it almost seems like AC units are all you fix anymore 😂
So true! 😆 Thank you so much for watching Chris!
@@LexVance just switch careers to HVAC 😂
I'm wondering who laid that brick looks really sloppy. 👻
Yep! 😆 Thank you so much for watching Tim!
That's bad install of those new units. Damn shame that most don't take pride in their work. And most owners don't want their guys to "waste" time on installing and starting up new units correctly
I agree! Good to hear from you St C!
shes a beeper momma shes a beeper
👍😆👍 Thank you so much for watching James!
I Love how easy this ruclips.net/user/postUgkxvAj3godqGAIP5rApM1laH767JGtPG1-h carrier is to adjust from my friend to me taking turns holding the baby! It provides great support on my back too! This has definitely made shopping easier! I always get asked where I get it too!
Thank you so much for watching!
👍
Thank you so much for watching Waylon!