I ACCIDENTALLY LET THE SMOKE OUT
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- čas přidán 2. 07. 2024
- This was a call on a Manitowoc Ice machine not working, and I actually made a pretty big mistake ... But in the end all was well.
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00:00 TEASER
00:08 SPONSOR CARD
00:18 VIDEO START
02:16 CONDENSING UNIT INSPECTION
02:26 TRIGGER WARNING
03:10 FOUND A PROBLEM
05:22 COMPRESSOR OVERLOAD TEST
06:02 1 2 3 PLEASE DONT BLOW UP
08:54 TOLD YOU I'D WIN
09:41 CLEANING TIME
10:02 SPRAY RAIL REMOVAL TIP
11:42 I COULDN'T LEAVE IT
12:22 O DOYL RULES
I've seen other CZcamsrs clearly put a 24V coil contactor in place of a higher voltage one and then jump-cut to the machine working (with a different contactor). I think it's good to show that you can make mistakes. I tend to leave mine in and laugh them off, so that others don't feel too bad about their mistakes.
I agree Clive I think it's important to acknowledge our mistakes so others can learn what not to do!
@@HVACRVIDEOS It's not IF you make a mistake, it's how you recover from the mistake. It shows that you are not infallible, and it also shows a mistake that could easily happen in a moment's inattention. I'm surprised the spider carcass had such high electrical resistance (impedance? It is AC after all...)
Some years ago, I was swapping a full set of tires from a parts vehicle to my registered vehicle. Every time I jacked one of the vehicles up, it would slide off the jack. Several attempts were made before it finally dawned on me that I hadn't chocked the wheels - and I was jacking up the "drive wheel," so the freewheeling tires let the vehicle roll forward slightly until the jack slid out.
I felt like the World's Biggest Idiot, but if there's one thing CZcams has taught me, I'm not quite the idiot I think I am. 😆
Hi, Clive! Nice to have you here! I absolutely agree with you on that point.
It looked like the sparks&magic smoke came primarily from the solid-state relay (is it one?) right next to the contactor. Did you, HVACR, fry that as well? The 24 V coil has almost no resistance compared to a 240V one, so the short-circuit current might have fried the coil-switching relay - by the form factor, I assume it's a solid-state relay. Well, I'll continue watching (7:05).
EDIT: It's a Timer Relay. I stand corrected. 😀
There are two kinds of people in the world: Those who have made mistakes, and those who've never done anything at all. :-D
my armchair engger goes "why would indigo change the working volatge of the coils"
It always surprises me just how many things run on magic smoke.
P.F.M.
Seeing the spider being responsible for all that reminds me of my pc earlier this year. My pc would turn on and then immediately shut off on protection. Checked the surge protector and had a colony of ants moving in. Motherboard cpu 8 pin no longer worked.
Sometimes it really is a bug in the system.
That's where the term actually comes from lol. Valve computers were both warm, shiny and worked on 100-150 volts so bugs loved getting fried in them
Just FYI, fire ants _love_ electricity.
If you pause the video in just the right spot, you can see the orange glow from inside the time delay module as it's letting the smoke out.
In the teaser it was clearly not the Contactor that smoked but 20/20 in hindsight.
@@n.gineer8102 Yeah that is what I spotted too, and why I went back and paused it to see what really happened.
If you miss the flames you can see the smoke comes out of the time delay, not the contactor.
I once made a mistake, I'm not the owner but just a employee. Told the owner what happen and he said a lot of employees would have covered it up. I offered to pay for the part I Installed incorrectly and he would not hear of it. I still work there 8 years later after that day.
Being a consistent employee will take you places
@@Logan-fp7qt Used to. Not any more. That's the same mentality as walk in and show the manager your resume. Outdated.
You know the video will get spicy when a life insurance ad runs after saying you eliminated the black widow spider...
what ads lol i dont get ads with adblockers
💀💀💀
I hope that you gain more viewers by your honesty and showing that your human like anyone else. If you make a mistake it’s ok. Just fix it up. That’s it. And of course let the customer know too. They’ll appreciate it. (At least I think they would). I work in IT and I’ve been honest about my mistakes and what I’ve done to fix it and people ended up trusting me more. Not sure how customers are regarding mistakes in hvacr. Appreciate the video especially recovering from covid. Good stuff!
This is a major problem with everything. their seems to be this idea that you're not supposed to make mistakes. Once you stop making mistakes is when you stop learning. Making mistakes is ok. Not fixing that mistake is not. I really wish people would stop this line of thinking.
@@davidmiller9485 I truly agree! I make mistakes still till today. In my field of IT I have 9 certifications now. And a few more on the way. And guess what? I know I'm still going to mess up somewhere along the line. It's just being human. But that was very well said. And I couldn't agree more.
In hvac it’s better not to mention mistakes like those because you’ll get bad reactions from the customers.
@@wwefan61911 Ahh I see. Thanks for letting me know. I just learned something new!
@@wwefan61911 Does that not prove the point though? Once again people are so fixated on no/not making mistakes that they don't acknowledge that we all make them. I have had mistakes made by my mechanic (sigh, i'm a old race engine/transmission builder. However, after my spinal surgery i just can't do it any more) and i'm ok with it as long as they make it right. That's why i still go to that mechanic. He always fixes his mistakes. Those customers are part of the problem. I wonder how they would feel if i started bringing up mistakes they made? Granted i doubt it would make a difference because they don't see the hypocrisy. Never the less, it's a real problem that creates more problems.
You are a human being ; we appreciate your candor and honesty
Dude credit to you for showing even the bad bits.. shows integrity. Keep it up man.
Here in the electronics business I have occasionally let the smoke out of tiny chips. :-)
Yeah I've done that. Grabbed the wrong contactor off the van and threw it in quick because I was in a hurry, and I smoked a $600 board on a Stoelting softserve machine. Customer got a new free relay board. Been doing this for 31 years and mistakes still happen and will until the day I retire. Live and learn. Great video my friend.
Which is why I've learned the saying "To go fast, go slow". When you try to speed up, mistakes are made that costs more time. It goes faster when you do everything right the first time.
I wired up a 120 furnace to 240 once. Smoked everything.
@@andrewgilbreath1331 it's funny you say that I just talked to a guy tonight that did just that very thing. He asked if i had a transformer he could have and I said sure what for. He explained he did just that and I told him he may not have anything left in the furnace to save.
We all make mistakes when there are so many variables in our field. The fact that you share yours with us save so many from making that same one. At the end of the day it’s easy to over look something small that will teach you a big lesson!
when i was a brand new tech they threw me to the wolves. i did all the compressor’s for home warranty co.. i crossed the run and start wire fried the start winding. luckily my boss was to warranty it. a lesson very well learned. now i double check before i turn on the machine. at least yours wasn’t a compressor. nice mr. humble. awesome job
I have lost track of the times I have let the electronic smoke of surrender out. Computer power supplies, transformers, theater lights, sound systems. I have fried them all. Thankfully I have also figured out how to rebuild many. It's amazing how much charge a sandstorm has.
Thanks for showing your mistakes. It proves that I am not the only one.
I love the 1,2,3 don’t blow up then it blows up lol 😂 happens to the best of us
Finally i have proof to show that your not a robot😂..keep the content coming
Bro... I do network troubleshooting and repair for a living (and training for that matter.)
I logged into a Wattbox at one point (think a glorified power strip with a web interface so you can manipulate the outlets remotely.) and accidentally hit the wrong button. Took out the main circuit and had to have one of our Tier 2 agents go back in, re-arrange things, and turn it back on for me. Talk about embarrassing! I tell that story in every training class I have though, because they need to understand that they happen and the important part of it is to RECOVER from the mistake and make things right. Awesome video, thank you for the amazing content. :)
Everybody makes mistakes and from that mistake we grow cause this is how we learn. Thanks Chris for putting this up.
Your an refrigeration guy. No matter what anyone walking this earth says. You will make mistakes. Especially in resturaunt refrigeration, i done mcdonalds for 5 years and nothing will come close to the high level you challenge yourself everyday. I use to love always stopping by my jobs from time to time just because i enjoyed the facts of perfection in the craft. So many people that do residential hvac that change thermostats, capacitors, and fan motors day in and day out will never understand until there thrown to the wolves
Several years ago I turned on my central air for a preseason check and the compressor didn't turn on. Found a box elder bug had crawled in the compressor contactor contacts and died. Removed the corpse and all was well. Kudos for showing the magic smoke!
Lol it’s nice to know I’m not the only one to grab the wrong contractor off the van. I usually do just the opposite though I grab a 240 volt instead of a 24 then in sitting there fir a minute trying to figure out why it won’t energize. Thanks great vidio.
That happened to me before when I replaced a WIF compressor. I thought it takes a 24 V coil contactor just like HVAC units. Powered unit on, same thing happened. It took 208 V coil.
I enjoy watching your videos. It really helps me when I trouble shoot.
Have a great day.
If you don’t pull the dump valve to inspect it after cleaning the ice machine I can almost ensure you that you will have a callback since the dump valve retains all the calcium and debris causing it to remain open . Manitowocs , Ice O matics , and Scotsman’s are notorious for this 😁
This channel has been one of the best teaching tools for the trade that I've seen. Thank you.
Thanks for the nice words bud
@@HVACRVIDEOS .. Hi my smeg freezer is working but red light blinking..
@@HVACRVIDEOS it was happening few months back .. I off and on I was doing after that was gone normal.. now this week again same thing happening... what can I do
Gen George S Patton Jr said "Never judge a man by the fact he never falls, but how high he bounces back after the experience", (after he hits bottom) you are human, you are not infallible and you recovered from the mistake in a professional manor instead of just freaking out and going "well, i guess they need a whole new machine now" you took the time to repair the mistake and make it right, then you went the extra mile for the customer with the cleaning to make dam good and sure that machine was 100% good-to-go and that there were no other issues at hand, it happens to everyone brother, and you handled it efficiently and professionally, stay safe out there
Lol I've heard that noise before. 277v into a 120v trans. I learned to always check after that.
We've all let the smoke out of em. Those 24v contactors, will get you everytime. You see the 2 on the box and think its a 208 contactor. I work for my dad, he wouldn''t pay attention sometimes and just grab a 24v thinking its a 208 contactor. Him not having his glasses on didn't help also.... I've had times I had to check behind Manitowoc parts on several occasions. Different voltage part than what the box said!
The feared BZZZZT catches us all in the end. 🙏🏻 😂 Respect for showing it!
All right, this guy is honest... mistakes happen.
BUT, he has also shed light on these ice machines and hygiene surrounding that, which is something I wondered about. Where I live, I have been sick a few times from the ice, because the machine was likely not clean.
I always dump the first couple batches of ice, hey we all make mistakes just depends on if you own up to it. Good work.
🎶Itsy bitsy spider crawled into the contactor points,the contractor closed and squashed the spiders guts out!🎶
Turns out she really was a Widow after all hahaha. Side note no spiders are poisonous, poison has to be ingested. They are actually venomous, venom is injected. Awesome channel man!
I’ll take that spiders can be venomous and aren’t technically considered poisonous… But it is false that poison can only be ingested. Poison can also be inhaled, absorbed, and injected.
As others said and I also bring up my mistake with the customer. You did remind me of one I did a few years back. I was changing a bulb/lamp in a table lamp for a good friend and I grabbed a bulb/lamp from car which I had some from home with me as they did say they think the table lamp has a fault. well not looking at the boxes that I took one was 12v which was for a old camper that I did work on a few years ago. I put in the table lamp and switched it on and there was such a bang I thought I had died. It was a 12v bulb/lamp on 240v. I did for one thing learned to check the box for the voltage of the bulb/lamp
Magic Smoke is Magic Smoke regardless of scope! It's amazing to watch it even at the small scale of integrated circuit on the workbench when it lights up! Good on 'ya for sharing a mistake as it helps more than you think, thanks Chris...Happy Holidays!
The fact that you left the mistake in the video and covered that mistake says alot.
Love the channel!!! Beware, working on older quite cube, cleaned unit ,left plate not freezing, replaced TXV and hot gas valve on that side, worked great BUT! turned unit off to check for LP shut off, NOPE, found contactor welded shut, replaced contactor, all good right NOPE, pumped down again this time violet short cycle and comp. shake. guess what I found defective low pressure switch. perfect example of the way you train your guys, its not always the firs diagnosis and repair there could always be extra, PS after 23 yrs never installed the wrong coil voltage components, YEAH RIGHT LOL TY.
I am more impressed you held back the language when it smoked, most of us would have jumped back and exclaimed a few choice words
Always great vids Chris. Thanks for letting us tag along and learn.
Done that....not with an ice machine an ac.....I've done it in reverse also, thought I had a DOA contactor....thanks for the videos
I was training an apprentice, showing him how to make sure secondary on transformer was correct. I accidentally moved the common wire instead of the 240-208 volt wire. It sounded like a 22 rifle shot. I blew the transformer and the Circuit board on that voyager gaspack. Oooops.
Great video.Thanks Chris.
Happens to all of us. At least nobody else there saw it happen. Reminds me of a time when I was working on a burner for an industrial oven. Had to take the combustion blower off to get inside to adjust the diffuser. It had moved which was preventing the pilot from lighting. I was distracted talking with one of the plant guys when I was putting it back together and ended up wiring two of the incoming legs to the motor together for a direct short…a 480v direct short lol. The motor starter exploded in a bright blue ball of arc flash when I started the oven. Two plant guys witnessed it and went scurrying away in panic. Next thing I know they are back with the plant operations supervisor and the safety supervisor. Not a fun day for me 🤦♂️
Enjoy your videos along with your honesty.
Huh, I was wondering what you meant by 'please don't blow up', so it was interesting to see what happens when it does 'blow up'. Also good on you showing your mistakes and letting people know that everyone makes mistakes and it's human.
I was kinda expecting him to put a clip of the nuclear test footage in the intro
I've seen a clip of a guy who had a compressor blow the terminals off in his face
Fun story (for me anyway) I grew up on a farm. The dairy barn wasn't used any more so it had black widow spiders. I played in that barn all the time and never got bit. Not once. Yes i played with the spiders, i was only 8. One of my favorite memories.
Umm still feeling the spider on me.
Lol
Black widow spiders can be identified by the red hourglass shaped spot on their belly.
And perhaps the surest way to get bitten by one is to flip it onto its back to see if it has that read spot.
Thanks for the video, easy mistake to make, glad you showed it on film.
Well done! Very good to show a mistake and proper recovery! Your clients are lucky to have such an honest and knowledgeable tech working on their stuff! Thank you for sharing!
A great video as always
Kudos on leaving the mistake in and explaining it
I luv your honesty on coil voltage.
Showing your mistakes is a huge reason why your video are so good. Great video. Please don't ask what I have let the smoke out of. Lol
Thank you for reminding us that even the best still make mistakes! That may be one of the most important lessons in the video!
6:02 I have been waiting all this time for the moment when it DOES blow up, since every time you say "Please don't blow up" it USUALLY doesn't blow up 😂
Props for your honesty dude. You are a fantastic educator and part of that is showing that every one of us make mistakes now and then. The important thing is to learn from them.
Excellent vid as usual.
Great work Chris
Thanks for being real!
Thx for the vid, great content!
I’ve definitely done that with the wrong coil voltage in contactors before lol. I’ve also been able to swap out coils, didn’t have a 208/240 V coil contactor but was able to remove coil from contactor with bad points and put it on a contactor that originally had a 24 V coil lol. Also, I really enjoy these videos, and appreciate that you do sometimes screw up too, and show it! Good job!
I made the same mistake years ago when I was a junior mechanic and have occasionally made it since in the 40 years I have been doing hvacr. It's called a mistake, and as long as you learn from it, it is ok.i applaud you for leaving it in the video.
Good job on the full cleaning, sanitizing and de-scaling service.
Excellent video going through the mistake. Been there before.
After you cleaned and reassembled machine, looked like new. Very impressive - (good).
I also love how the original contactor has 208/240 in huge letters on the front. Got to love the humble moments that reach out and get you.
If you haven't let the magic smoke out before......do you even HVAC. We have all done it before.....and probably will again at some point. Its called being human and not a robot. I remember once i replaced a condenser fan motor on a RTU....powered it on and poof....after 3 seconds the magic smoke was freed.....i was baffled.....that when i checked the data tag of the unit........and i found out 460v came in single phase too. I admit.....i didn't check beforehand and the fan motor data tag was gone. Lesson learned on my part. Check first and dont assume
I enjoy your videos. We all make mistakes, we win or we learn!
Wow a spider in the contactor? That can't be something you see often. I'm not in this trade but I love your videos.
Haha I put a 208 contactor on an old beacon 1 system the other day and it wouldn’t start. I totally forgot they’re some of the only refrigeration condenser units that use a 24v coil contactor on a 3 phase compressor!
It is a black widow spiders, it is painful if you get bite.
Once time, I have same mistake with you, I insert the 24VAC relay wrongly into AHU Control board, the control circuit is 220VAC. The relay "pop" and jump out immediately.
Some days things joyous don't work out. Eat it up and move on. Good work.
I like your honesty. But that happen sometimes. Well good job.
We all make mistakes. And we pay for them. Great video. Thanks Chris.
That was funny. Hope you had a good Thanksgiving 👍
Chris, I serviced an old mani that was pre-indigo, and that used a 208 coil for the contactor. Just an FYI. Similarly....About a year ago, I picked up a contactor at the supply house that was 24 volt rated on the box, and I installed it for condenser fan control on a York predator. I discovered that the contactor in the box had a 120 volt coil. Doh!!!
Another great video. We are all human after all.
A bad technician would have lied to the customer and charged for extra parts saying they were bad! Good for you, being honest with the customer and actually uploading a video of your mistakes to youtube!
Only human Chris 🤣we all have bad days your honesty is gold mate.
We all make mistakes, its how we react to those mistakes that defines us.
I never knew that control voltage could even be anything *other* than 24 volts. I never heard of control voltage for a contactor being 208 volts. I've only worked on residential, but this just tells me that commercial is a different beast entirely.
In Australia 415 Volts is a very common coil voltage, some equipment may not have a neutral connection so there is only line to line voltage available unless a step down control transformer is fitted.
This is cool. I have never seen a quite cuber system in the field. We sell a lot of Manitowoc and Koolaire equipment.
This is where I am glad that my legitimately diagnosed OCD and ASD (Asperger's) causes mild paranoia. It makes me check everything multiple times constantly.
Electroboom has some competition ...
Been there done that 😂. Had a Ruud package unit that the blower motor went out (probably bad contactor single phased it) and I just got 3 new 24V coil 3 pole contractors to just take care of everything, blower and compressors. Welp I had a smoke show too. Naturally my van was getting a oil change and was with a install guy with zero parts. One more trip to the supply house and all was good. I don’t know why but I looked all over the old blower contactor and never saw a coil voltage
That’s happened to everyone in this field at least once honest enough to see you messed up😂
Happens to all of us no biggie.great vid as usual
It's real hard to put factory smoke back in, your usually up the creek and yes no paddle
A big thumbs up for the magic smoke
i did that very same thing on board my first ship, my first repair job ever. navy scullery machine, aka Dragon. i misread the stock number on the schematic, and put a 24 volt coil--into a 450 volt controller! that sucker shot out and pieces ricocheted around the room. it looked like a barbequed metal slinky. i threw the evidence overboard! EMCS Rufus Purdy, if you're still out there, that's honest to god what happened that day (1972).
JMan Flow is in full effect Chris 🤟🤟
Haha, don't feel bad man. I done the same with the contactor before.
There are a couple of learning moments here for your viewers. 1) Mistakes are a part of life. Learning requires that there be room for mistakes. It's from our mistakes that we learn best. 2) Owning our mistakes and not belittling ourselves (or others for their mistakes) gives us room and freedom to "try". While the word try can sometimes mean "willing to quit when it gets hard", in this context it does not. We try to do our best every day. 3) When you strive to "do it right", it's hard to do a less than full clean, or perfect repair, or the best you can do in every situation.
My AC experience ends at either the remote thermostat or the one on the wall. So, I don't come here to learn about AC (even though I constantly do learn something). I come because I so greatly appreciate you as a person and a professional. Thank you.
Oh that sound of buzzing electricity.😂
4:22 oh yeah, it's different. Been there before. Done once with a motor when I first started doing maintenance. Old motor so burnt I couldn't read labels, I went to air cold back then, and they gave me a replacement. 208-230 volt three phase. It was supposed to be 460 volt three phase. Got a call from office, I smell burning plastic. Oh shit moment for me. Called in a pro. Needed to check voltage and never trust any parts shop. Lessons learned that day.
Years ago, an old timer told me that once you let the smoke out, you can't get it back in. Things work much better with the smoke left in em.
Good job Chris, it happens, Black widows make me nervous too.
I found a 120v coil contactor on an industrial vacuume that runs at 480v. Apparently the operators have been using the plug and disconnect as the on of switch for years and, never brought up the fact that no one ever used the very clear on if buttons on the side of it.
You only need to make the coil voltage mistake once to learn the lesson forever. I hope others watching this video learn the lesson just from watching. I learned my lesson on a brand new $300 Eaton Cutler-Hammer motor starter.
Yup, I've been there too.
I had a 3 phase induction range that would do really weird things. I only found the issue after using an oscilloscope to find occasionally arcing on one phase. I pulled apart the breaker and found one of the springs had turned sideways! Was a factory manufacturing fault.
So the 8-legged critter left the unit one leg short on power. This is a really leggy episode.
I've done it both ways. I've put a 24v coil on a 120/208 control circuit resulting is the same blown contactor coil. I've also accidentally put a 120v/208v contactor on a 24v line and was scratching my head at first when the contactor wouldn't pull in. At least in that scenario there was no smoke let out.