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All these years and Chris is still hoping for something to blow up when he says 1.. 2.. 3.. for a good video. Unfortunately he seems to be to good at his job for that!

This was a very informative video. It really helped me a lot because I was experiencing these same symptoms with a 4,5ton AC. Had restriction in the metering device

"it's only going to be in there for a couple days". just like that condenser fan motor? 🤣🤣 we know how it goes, working and out of sight out of mind. **well surprise surprise, actually got the parts and installed them! lol

Another s.tupid thing Trane did on this unit is the belt the placement of the tension pulley leaves little contact arc on the motor pulley which leads to pulley and belt failure

the trane has derailed...

pretty sure the reason the system didn't have an error after disconnecting the blower VFD is because the VFD likely had a relay close when it entered alarm state, and once there was no power to the VFD the relay was no longer closing, thus the main controller was no longer seeing a problem. not how I would have wired it up as it would be smarter to wire it in a fail-safe method where the relay should CLOSE to show normal operation and OPEN if a problem occurs, like the VFD power supply were to fail.

can you show me the machine?

Bro: By connecting your wires to the ground, it will trip the relevant circuit. You don't need assistance or any hassle.😅

I haven’t ever hear this man swear but it seems this did it

I must have missed this one! Great video 👍 I remember this one getting installed! Great music and coil cleaning, nice to see the Refrigeration Technologies coil juice make an appearance and of course, awesome compressor startup sounds😊

You might call it dumb logic but if it works then it's not dumb. I would hope the manufacturers are watching and praising the work, because it's not easy for everyone. Taxi drivers can spend a long time learning 'The Knowledge" and I believe the same is true for electronics troubleshooting. I like to think I have "The Knowledge" in my trade because I feel like I'm pretty good at troubleshooting and resolving problems and I look back on what I did and think "how the f did I do that?"

The fact that you left the mistake in the video and covered that mistake says alot.

Awesome information there. Keep up the excellency work.

oh boy! the video you`ve been waiting for. The spaceship condenser fan motor that takes 100 years to ship LOL also a fault like that means the transducer in the thermostat detected that the customers wallet was getting fat

Do you have VRF units in the US? those would blow your mind - 3 sandwiched layers of PCBS with inverter boards etc crammed in everywhere, copper lines running everywhere like a maze. Canbus communication to all indoor units. Complexity is insane

I knew he was a time traveler

all restaurants ice machines are like that.

hey man love the vid’s i work at United and i had a quick question i kno people say it not possible but if your working on a unit that’s Tandem, Do you have to replace both compressor or could you potentially just replace the failed compressor. I know due to the oil lines being connected together. I’ve had Techs tell me you replace the failed compressor and not both.

Very Observant. NOT! Interesting it failed yesterday 1 year for date of film in the future?

Awesome job and video 😊👍🙌👌🍀🙏

Wau that is commercial Job, here in West Monroe, LA I know a lot of people don't even do that on commercial buildings, I like that way you work, Very clean!!!

Chris does the drive come preprogrammed from factory or do you have to set it up in the field??

Ask it for the last year’s lottery numbers

How is it safe for the blower assembly to be running in such a dirty environment? Thats so much dirt that could be sucked up and then inhaled by a person.

Year still wrong, not 2025

Hey you found an hvac roof top seat. 😂😂😂

I missed a couple episodes, but love the new intro

What’s the black paint on top of the unit?

I have one of these on my roof for a bank. Glad i havnt had to mess with it yet. Mostly all older york units. Got called today pne wasnt working. 28c inside. Calling for cold. Compressor runs but no cool air. Havnt gauged it yet. Filters are clean so looking like a gas leak. Identical units on roof working and appear to ve operating the same as far as noise and fan speeds.

I had the same alarm last week. The VFD card was bad. Replaced drive all good now

I work on a lot of TRANE voyagers I never knew those units had variable speed compressors? Just simple contactors and a drive for the indoor blower motor. Good to learn new things

“Know what I mean….Vern?” Hahahahha I see you Chris, you’re the best. Ernest goes to camp and Ernest goes to jail we’re hilarious 🤣

2:00 wait, what year is it in California??? 🤣

I just got a huge deja'vu! My brain promises me I've seen it before :D Maybe I'm watching too many of your videos.... Nahhh can't be 😅

Dan foss customer service/tech support is fantastic.. dont hesitate to call them... That's what THEIR techs do!! Lol

Wait until you work on a rebel unit lol that thing variable everything lol

Awesome machine, so much to learn

I really love the "Future Diagnosis" feature, that's amazing tech right there! 😆 I wish every manufacturer put that feature on their devices! "Oh, my alternator is going to fail in two weeks, let me just order one now so I can swap it out at a convenient time." 5:31 - I jumped, for no reason. 10:30 - I haven't heard the word "dealio" in a long time... I think I might start using it again. Is there a "Core Charge" on VFDs? As in, are failed ones sent back to the manufacturer for refurbishment/repair, allowing you to purchase remanufactured drives in the future, or do they simply become e-waste? As others have noted, the dirt on the touchscreen was likely causing the calibration failures. Those appear to be resistive touchscreens as you'd find on thermostats, as opposed to the capacitive touchscreens more prevalent in our technological goodies like phones and tablets. Dust buildup, especially around the screen's bezel, can cause pressure on the screen, leading to false inputs. Resistive touchscreens rely more on pressure, hence why you can operate them with gloves on, or pointy objects like a stylus, pen, key, etc.

Someone probably already mentioned this but the VFD with that error code means the drive's contactor is stuck closed (welded together), the VFD checks for this and when the contactor doesn't open inside it, it throws out that code, also you know we are in the year 2024 right lol, you didn't change the date from 2025. 😜

I like the obvious premium build quality of this thing... as well as the late night engineering decisions inside it. Its always the "same" story - your project manager said: "VFD is a must!" =D ...and your boss: "No problem" :DD And finally YOU, after only about ~27 restarts of CATIA did put the VFD somewhere, where did not die to overheat aftrer only a few days. =DD

I swear those type of ladders should be illegal, I've been an Hvac tech for 25+ years and I honestly believe the building owners should be required to put a set of actual stairs up the outside of the building gate and cage them fine but freaking quit making things dangerous for service workers.

The supply chain seems to be ruined on just about everything these days. Great job with the psc evap fan temporary fix and by passing the vfd for the indoor blower. They would have gotten a bit warm otherwise considering the fiasco they gave you getting the right parts. Covid is the excuse for our parts problems but I believe it goes way deeper than that. Great Job as usual. Have a quiet weekend 😊

Anyone else see the burnt terminal at around 14.45 farthest on the right

Lol I had a 20 ton Trane package lose a main board. They said they would have to wait for one to be made but since the client was Nike, they had a heart attack and contacted Trane directly. Nike asked me if I could make it run without the board I told him I would have to rewire the whole system basically cut it apart. So that’s what I did Icreated my own system. Ran three stages of heat with all safeties intact. Three months later Nike contacted me and said the board was available. Could I put the wiring back? I said absolutely not. It’s still running with my system in place lol they overthink it!

Now i know why "time is relative" (2025) hehehe

White leg of power has a rub thru about an inch from the female spade terminal @ 10 minutes 17 seconds....