LG Refrigerator compressor replacement
ฝัง
- เผยแพร่เมื่อ 10 ก.พ. 2025
- LG compressor replacement. Thanks for watching please like share an subscribe if you like this video.
For Business Inquiries send us an email at ocappliancerepairdiy@gmail.com if you would like to partner up and make a collab video with us!
This is great video. Thank you so much.
Glad you like it and that it helps. Don’t forget to like and subscribe
@@appliancerepair420 Thanks for the helpful video. My fridge's tag says it takes 5.11oz of 134a. Why on earth does it say "low side 140psi, high side 400psi"? That can't possibly be the operating pressure.
@@WaffleStaffel that is the max psi pressure that each side can hold for pressure test
@@WaffleStaffel That's the max pressure each side is rated for while being pressure tested. He put enough pressure into the low side to blow up the evap and destroy the fridge
@appliancerepair420 Good content‼️....I'm a Technician here in Texas and just started doing sealed systems. I replaced a compressor in a LG a couple of days ago buy didn't update it. The compressor did not start up after the repair, could that be the reason why? I realize I need to go ahead and purchase a jig.
Judi’s to Terrysmith and wtfman for picking up on the absence of a nitrogen purge.
All in all I thought this was an EXCELLENT video in explaining how to change out an lg compressor with the one exception noted above.
100 psi to test is just enough. Over 130 psi you can damaged your evaporator . Great video
I liked everything except you didn't use a heat blanket to protect the other parts of the refrigerator from the torch. I could literally see the plastic start to melt and the foam constrict. Half expected the plastic in the background to burst into flames. But I leaned some things. Thanks for sharing. Best Wishes & Blessings. Keith
This was great, with only two issues, the pressure test with the nitrogen. You used much higher pressure than the low side operating pressure. The low side pressure is rated 130-140(PSI) or so on these LGs. Going up to 250(PSI) can cause the lower strength aluminum of the evaporator to explode and ruin the part causing you more work.
Second, you should recharge with the refrigerant upside down so you are adding liquid. It's faster and easier for your scale to measure the liquid than the vapor state of the R134a.
Edit: Oops, you overcharged the system. Slightly undercharging is okay, you lose very little efficiency, however, overcharging greatly reduces the efficiency of the system. Better to slightly undercharge than to slightly overcharge. But, the amount is so small it's probably a small thing.
Good pick up. The system is probably undercharged though as the hoses and manifold gauge are holding refrigerant. 👍
His charge is actually low looking at the pressures, the hoses, especially the high side hold an oz or more… so he’s under by about 1.5 I’d guess… weight is where you start, it’s not right until the pressures are good… More than likely it cool ok in this case, you might end up with fan issues in the summer though with excessive frost on the evaporator… these systems actually run better being slightly overcharged… As long as you don’t have entrained liguid frosting the suction line you’re probably fine there as well…
Critical charge, this isn't an outdoor unit. @@robertw1871
Lg is sending out the repair guys on Mon to change out the compressor on my lmxs28626s/01 that has died in less then 3 years. I know now what to expect and demand plus that software update is one that I will make sure they get done. Great video!!!
Glad to hear everything is working out for you make sure that they put the sticker in back of the refrigerator that states the software has been updated.
Thanks a million for your through and professional tutoring. I appreciate your dedication and selfless sharing of your knowledge.
Please fellas, incorporate dry nitrogen into your brazing - especially with delicate systems like this which use cap tubes.. They plug so easily and your customer is worth that small extra step. Excellent video.
In HVAC you can flow nitrogen because you have open ports on both liquid and suction sides. With refrigerators you can't flow nitrogen because there is only 1 port in and out, the process port. If you try to flow through the process port, the nitrogen has no where to escape and blows out your fittings. What I do is replace the compressor and force nitrogen into the new compressor expelling any air, turn off the nitrogen, and braze. There's enough nitrogen left in the system to keep it clean.
@@Kevin-ib4gv just pressurize it with nitrogen to check for leaks attach high and low sides and only go up to 150psi max
@@alejandrozometa1951 A pressure check for leaks is not what he is talking about. He's talking about flowing nitrogen to prevent oxide formation which you really can't do with refrigerators because there is typically only 1 process port. Gas can only flow in and not out.
When I pressure test, I start with 25 psi and check for leaks, then 50 psi, then 100 psi max. Saves gas if you have a leaker at 25 or 50 psi and you find it early since you have to release nitrogen anyway to repair. 100 is enough for any leak to detect. 150 is overkill.
Remove the schader core from the filter dryer service port and you will be able to flow nitrogen
@@Kevin-ib4gv I had to run 150 to locate a leak. Small pinhole in evap.
Couple things, you don’t need to sand anything on the compressor, you definitely don’t want grit in the system… If your 15% silver brazing wire isn’t flowing on copper then you’re using way too much heat or not enough, copper actually self cleans when it’s hot, you’ll see it turn shiny when it’s at the right temperature. The stainless lines need 45% silver and with flux… 15% won’t flow and will become brittle and leak on stainless, so you’re using the wrong wire on the stainless… 100psi is more than enough pressure for leak testing, you’re near the burst pressure of the evaporator at 250psi, this system will never have more than around 150psi on the high-side and no more than 90psi on the low-side… Another note is you really want to purge and flush the system and it’s a good idea to replace the condenser… A micron vacuum gage is really not optional, there’s no way to see your vacuum level without one so if your equipment isn’t perfect you will likely not end up with a proper vacuum, time, like running 15 or 20 minutes is no good if you want to know that it was right… I’ve seen hundreds of failures because a vacuum gage wasn’t used it’s the most common problem of overheating compressors with non condensables (air) in the system…
If I'm just working on my own fridge do I need to buy an acetylene rig or can I get by just using a propane torch? Also, what do you use to cut the capillary tubes?
@@dap777754 Score cap tube with sharp knife, then bend it to break it through.
@dap777754 I was wondering the same. Planning to get the Bernzomatic Soldering Propylene kit
Mapp gas will work
Pretty sure he knows this. He said his micron gauge broke.
Thx LG for making the compressor from hell. I remember when compressors lasted for decades.
Absolutely well made ,,well explained…!!!..”THAT IS THE CORRECT WAY TO INSTALL LG COMPRESSOR “!!! Excellent teacher..very patient very skilled technician…lots of detail explaining……excellent career for young person.
Excellent video and thank you for making it. My 2016 LG needs compressor replacement now. Would not normally do it but supply chain shortages force me to repair. I would have never thought of the software load. Excellent explanations of what you are doing and why.
Thanks glad I can help
Excellent video. Thank you for making it.
Great video from a great tech, only thing different I do is flush the system with nitrogen after we remove the compressor.
This is the video I was waiting for, great 👍 teacher... thankfully I am
Glad it was helpful
My compressor died weeks ago but only realized it today, guy wants around 1200 to fix it. Thanks to this video I think I can just about replace it myself now. Only thing is I'm not to sure about that welding setup there since I've never used anything but solder but perfect time to learn.
Glad to hear this video helped
Just call Lg if it’s 2015 and up it’s covered parts and Labor on the seal system.
@@multi-wreckz712 good luck my lg refrigerator compressors went out November 5th it's now December 26th n lg is still giving me the runaround I've probably called about 10 15 times
@@multi-wreckz712 I may be wrong but It's not covered if the fridge is older than 5 years.
@@dr.nigsopmcchortlefag9544 they recently changed it from 7- 5 years. After the 5 only the compressor will be cover 10 years from date of purchase
Very well explained. Excellent video for learning and understanding about compressor replacement. Great job. If possible, please explain, how to extract gas from old compressor before replacing. Once again thank you very much.
Just made a video on how to make a homemade recovery pump. You can also use it as a vacuum pump should you needed it’s not as good as the store bought ones but they get the job done. Here’s the link
th-cam.com/video/pemiJHwf-oE/w-d-xo.html
If you're replacing the problematic LG compressors, you will need the new TCA 3811706 / FLS075LANA LG universal compressor with the red vertical stripe. It replaces like 50 other compressor numbers, and needs to be programmed, but beware, if your refrigerator is 2014 or older, you'll need to replace the control board too as the pre 2015 boards won't accept the programming. Brand new control boards come pre-programmed so the program tool is not necessary when buying a new board.
may i ask what the part number on the board for newer 2015? my is 2012 and has an old board. how can i tell the difference when i order new board. im in the process of putting the original compressor because i dont know where to buy new board and not sure if it has newer software updated included.. so my friend what is the newer part number on the board? my original board number is EMB733042..Thanks!
Thank you very much, I have a 2012 one, and I like it, will replace with the New 🆕 one along with the mother board..
R600? Or r134?
@@TuanNguyen-bq4kf u have to update the system. U can buy one on Amazon.
What about current new models? Are they already completely updated?
thank you again, you did not reply to my question on the other video so I will ask it here. you did not open the XVT valve using the board "test" mode here, did the nitrogen FLUSH BOTH SIDES? Also, please explain the types of solder used. THANK YOU AGAIN! GREAT VIDEOS
Interesting that these are r134a just like a car. Also of intrigue is the charging with nitrogen to test. I've only ever worked on automotive systems, so this is a whole new world for me.
Me to, all kinds of vehicles
Great video! Thanks! Is the jig good for all LG’s after a certain year or does each model have a specific jig? Where is the best place to order that universal compressor?
It’s for all models that the universal compressor is installed in. You can buy the jig in Amazon or partselect.com
@@appliancerepair420 thank you
Do you have refrigerator running when adding refrigerant?
Does that upgrade device come with the warranty compressor?
Nope it’s a tool you buy separately
Isn't it a good practice to purge the system with nitrogen as you braze in order to keep the tubes clean? I know in HVAC systems, if you don't purge with nitrogen as you braze, you can shorten the life of the compressor due to the lines getting dirty as you braze
What psi should you flow nitrogen while brazing? 100 psi?
Good job ,where can i get the usv programmer that you used to program the control board?
thnak you so much, this is much easier to undersdand
I see some using silver solder then I see brazing?
Is silver solder ok?
Map gas.
Yes
I have a lrdcs2603d that is giving code 3 on the control board. Any info you can give to help out? LG refused to fix it under warranty
3 flashing lights mean one of 3 things- loose wire, PCB bad, loose ground. Most likely a bad board. But it’s hard to troubleshooting like this. How old is your refrigerator
Excellent video. Thanks a lot.
Just for your information, you can release certain refrigerant gases into the atmosphere as long as there non-ozone depleting
GREAT VIDEO. The only thing is that you are supposed to solder with low flow nitrogen. If not the new lg compressor could fail again in about 2 yrs. because of the gunk inside the joints.
In HVAC you can flow nitrogen because you have open ports on both liquid and suction sides. With refrigerators you can't flow nitrogen because there is only 1 port in and out, the process port. If you try to flow through the process port, the nitrogen has no where to escape and blows out your fittings. What I do is replace the compressor and force nitrogen into the new compressor expelling any air, turn off the nitrogen, and braze. There's enough nitrogen left in the system to keep it clean.
If you remove the schader core from the filter dryer while you brazing you still can flow nitrogen through the process valve and it will come out from the filter port.
@@cris.g4608 Not all filter driers have a Schrader valve, but if only replacing the filter drier, and it has one, yes you can flow through it. The problem is when replacing the compressor. You assemble your discharge, suction, and filter drier. Attach the nitrogen to the process port and flow, but the cap tube is so small it builds pressure no matter how slow you flow nitrogen and a) blows the fittings apart or b) the fitting stays together but nitrogen flows OUT of your fittings preventing solder from wicking into your connections. A total PIA either way. At least this is what I've experienced.
Hi, what brazing rod did you use to solder copper and steel? Is it Harris siver rod?
Silsol is what I use. It's expensive
I use Harris stay-silv 15
No wonder no one likes these compressor replacements. No wonder over 50% of the jobs is done incorrectly. Nice job. If we had these kinda techs everywhere I would buy an extended warranty. But, with the way the service industry is today, and lucking out to get someone that actually will do the job right, you are better off tossing it and buying another. Unless you like to wait months and months for the repair tech to keep coming back with new parts. The real question is, what fridge to buy that will last the longest.
Stay away from LG, Samsung and GE fridges!! Total POS!
The good part about these compressor repairs is that with the class action lawsuit against LG they now cover the compressor price so generally out of pocket cost for a customer is 6-800$ and the compressor will last the way it’s supposed to as opposed to 1500-4K on a new unit
@@bobloblah3472 My old inherited one is a GE. CRAP! It IS twenty years old now, but they used to last for fifty years in the old days.
SO...is Whirpool still Good??
@@drpoundsign yes, stick with Whirlpool brands like Maytag, Crosley...Check any appliance by the first 3 numbers of the appliance model. 110, 106, etc will tell you WHO actually made it. Lots of people thought they were buying "Kenmore" products because they were made mostly by Whirlpool 20-30 yrs ago...then they bought new "Kenmore" products only to find out they were Samsungs, LGs, Frigidaire/Electrolux etc and were junk! Do your research, know what you're looking at!
You know, I think a lot of modern tech guys got trained in "Charm School" (Prison!) Better than them out committing crimes, I guess.
You have way to much heat for such small lines. You didn’t purge with nitrogen. Now you have copper oxide scale in your system. You should not have put those access valves on the system. You now do not have a hermetically sealed system. You should have used the process tubes for purging, evacuating and charging. No need for shraeder valves, and they have been known to leak. You exceeded the low side test pressure. 100 psi is all you need. You should have just charged liquid thru the dryer. You could easily get in those few ounces without running the system. By a micron gauge. It is the only way to guarantee you don’t have a leak. Please take this as constructive advice. Hope it helps.
😂🤣😂🤣 you have any videos on here for the world to see and pick apart
Motherboards and software updates? Madness. I'm going to keep my 17 year old fridge the rest of my life and stock up on enough spare parts to last 50 years. Interesting video however. No idea why I'm watching it.
Lol I said the same thing. My sister is one of those people who has to have the latest appliances out and always has a technician over fixing them. I still have the old style refrigerator with ice trays, top freezer door and bottom refrigerator door. At least it's auto defrost😂. As long as it freezes ice and keeps milk cold I'm grateful 😂🤗
Thanks! im more confident doing it on my own now.. nice video
Glad we can help.
You should always pull a vacuum to 500 micros. Charge by liquid and not gas always braze with nitogen
Indeed. It comes down to key points.
I have an LG LFX31925SS/00 and it is not getting cold. Im getting a LED blinking 6 times at the time. I can see the fans working and i can tell it is not frozen inside. Capacitors checked ok.. how can I tell if its the compressor or the motherboard? Thanks for your video! Amazing work!!!!
LED blinks 6 times, then repeats (Current trip). You may have a problem with the sealed system. Compressor is running at high current causing circuit to shutdown and wait 6 minutes to try again. Most likely a bad compressor if you replace it remember to upgrade the software on the main board
@@appliancerepair420 I was afraid of that!!! Dont think I will be fixing it 🙁
lmxc23796d model of mine would this be the same way to fix my lg thank you
Same way. Lg refrigerator are the same process
You are awesome... Thank you so much.
How can you to know compressor bad need replace sir ?
LG compressor go bad really fast. If your refrigerator is not cooling. You would have to use a bullet piercing valve to access the sealed system to check pressure
I see you believe redder the better. lol Good video.
Hey nice video just wanted to know how long does the oxygen and actelene set last
It depends on how much you use it but and different facts like how fast you braze your settings on the regulator
@@appliancerepair420 don't forget to lock it off after every use
I need to replace a condenser in my refund.
What solder wire can you use? And should I use any paste with it?
15% Silver Solder (Brazing Rod)
And yes on the metal
flux is also required when using high silver braze alloys like Safety Silv® 45 or 56. Brazing fluxes contain 15 - 35% water so we want to keep excess flux from inside the lines.
Wow how common are those smart refrigerators because I'm attending UEI college for HVAC I've been there for about 5 months and they have not talked about smart refrigerators one time at all so I'm hoping there are not a lot of smart refrigerators but if so they better start talking about it at my school or else I want money back LOL
That’s what all new refrigerators are like. Also ask questions at school because Hvac clases are mainly about a/c they only touch refrigerators briefly as the refrigerator cycle is the same concept
@@appliancerepair420 yeah you're right I keep forgetting about that because this module that I'm on is all about residential and commercial refrigeration systems for the last 2 months now seems like forever lol I still got five more months to go lol thank you for your reply take care sir
Do you have to put the board in test before evacuating system? To allow both sides to empty?
Yes to open both sides of system
This job much more complicated with a dual evaporator system and darn solenoid that controls pressure to each one.
Thanks, after watching this I realize the $200 in labor the repair guy wants is fair.
That’s cheap as it is a lot of work Make sure they update the board. If installing the universal compressor. It says it on the compressor
@@appliancerepair420 Total cost of the repair was $600.00 including the compressor for an LG fridge. I was going to do it then I saw you have to use a blow torch and other gas gizmos... so yeah this is a repair best left to the pros.
where can i find a person in Spartanburg/Greenville, SC area who can do this
thank you sir
How much do charge to replace a compressor from Kenmore refrigerator (5 years old)?
Please tell me if compressor is on warranty how long does it take to take old out put new in just labor and parts. What would this cost?😂
Most companies/techs charge about 1200 for parts and labor. It’s 2-4 hours if done correctly
Great job! Does the new compressor come with the service port to solder in, or do both service ports come with the filter dryer?
Some filter driers come with port. But the service valve is sold separately
@@appliancerepair420 Neither should be left on the system. Pinch off the process tubes, remove the access fittings, and shoulder the ends shut. That’s the way you found it, that’s the way you should have left it. This regents tampering and leaks.
A vacuum pump not only removes noncondensible gases, but it also removes moisture from the system
Is a software upgrade necessary along with installing a new compressor?
Yes it is or the compressor will not run correctly.
Cool 😎 👍
Where can I get the computer jig to update my software
Amazon
Pick up a digital vacuum gauge. That'll tell you if you have non-condensables in the system during a decay test. Put the gauge on the opposite side of your vacuum line...i.e. put the gauge on the liquid side while the suction side is on the pump.
Your right. I don’t have one but will look into getting one
Yep… you want to pull these to 350 microns and hold for 5 minutes, below 500 for 5 is good… you’ll find that’s harder to do than you think once you run a proper gage for awhile, and why the 20 minutes and it’s good method is no good, it’ll definitely show you when your hoses and pump need maintenance….
@@appliancerepair420 Keep up the good work brother, enjoyed the video…
I'm not exactly sure what you're saying here, you mean to attach the gauge to the high side, on the pork coming off the filter dryer?
I know you must have been joking about that $75 filter drier from LG. Is it like a catalytic converter that has precious metals inside? It can't be any different than the drier I bought from Marcone parts for $3.50 wholesale. At $75 your cost, you'll have to charge a 40% markup ($30)to the customer for that drier, $105.00. You should be using a heat barrier blanket or shield when brazing to keep the torch flame from impacting any plastic or flammable components. You melted the plastic defrost water basin and the black insulating foam around the condenser fan. Luckily the condenser fan blade is sturdier plastic so it didn't look like it melted. Both the lo-side and the hi-side tubing were long enough that you could have brazed the compressor to both without having the compressor sitting fully within the compartment. That could have helped prevent the melting of the plastic you experienced. Your tip is too big on your torch. You don't need a turbo tip, blasting that huge flame that's why you melted the plastic pan.
Good jobs guys!!
excellent video. question? How do you call the usb device to update the information on the motherboard? brand and model? Thank you
It’s called a jig.
Here is a link to a video I made about it. And a link to Amazon with a part number
th-cam.com/video/vJACaM4Vk5s/w-d-xo.html
How much per minute ir hour are yiu charging there? Or do you charge a flat rate? How much does nitrogen cost? I am self-employed in Wisconsin.
We do per job. Nitrogen is about 30. For my tank
Great video
Great job. Thank you
Where can I get the jig? The one to hooked up to control board to reset. Thank you so much.
Amazon or appliance parts pro
Did you use the same soldering rods on all connections?
Yes.
If you can buy exact same Lanier compressor you still have to update your pcb board please respond
Only the universal compressor requires the board to be updated they are marked stating update required if you get the original that’s not marked then no update is needed
@@appliancerepair420 The old compressors are the ones constantly failing so why replace with the same pos. You need the new TCA 3811706 / FLS075LANA LG universal compressor replacement which covers like 50 other compressor numbers. Unless you buy a new control board it will need to be programmed, but beware, if your refrigerator is 2014 or older, you will need to replace the control board regardless as the pre 2015's won't accept the programming. I found that out the hard way!
@@Kevin-ib4gv this is the new 1706 compressor that’s why we updated the board with the jig. Thanks for the feed back as that is an important information
@@appliancerepair420 Yes I know you have the new "red stripe" compressor. My comment to you was when you replied to Ahmad: "if you get the original that’s not marked then no update is needed" Do not get the original, it will fail again. Get the new 1706 and program it for anybody reading this.
@@Kevin-ib4gv got ya. 😁
Where do I buy the gadget to upgrade the software with?
You can buy from Amazon or other appliance parts store part number is CJT30000002
@@appliancerepair420 THANK YOU.
How much time to do a job like this?
About 3-4 hours
Where to buy upgrade tool?
You can buy it from ebay or Amazon. Or online
Here is the part number NEW GENUINE LG CJT30000002 SW SOFTWARE REWRITER ASSEMBLY
Here is an affiliate link for jig from Amazon
HTTPS://amzn.to/3xNED9u
Ditch the giant rose bud and drop the fuel pressure on the torch!! Can you not see all the plastic in the cabinet melting while he brazes? No need to get it so hot, risk further damage and contaminating the system without a nitrogen purge 😬
dont you have to charge r134a as a liquid? If so, why isnt the tank inverted?
No it’s best to do as a vapor most of the charge goes in when the refrigerator is off and in a vacuum
@@appliancerepair420 ah ha! Good call
2017 LG french door, compressor failed. Hackjob tech replaced compressor under warranty 36 hours ago. Now evaporator refrigerator fan runs constantly even when door is open and refrigerator/freezer Temps are 10f too high... can anyone help? This has been miserable.
Check to see if door switch is stuck. But then again if it’s under warranty call them back. If job was done correctly it should cool down to correct temp of that was the issue. Evap fan and compressor my not be related unless board is bad(always a possibility)
What is your contact info. I have a Kenmore Elite refrigerator with LG Linear compressor that was purchase in early 2016. Both fridge and freezer does not cool down to the proper temp set at 38/0F. It hovers around 50/15F. Do you think the filter drier is clogged which is causing the temp to not cool completely or is a compressor problem or both?
Compressor but you should replace the filter drier as well
I believe you have the low rated Sidekicks.
Mine are lines leaking. You can see the green goo seeping out of the copper.
Could someone extend the copper pipes through a wall and have the compressor operate in another room? For sound control
You could but you would have to add a bit more refrigerant to compensate for longer lines.
Good job
Thanks
how much should this work cost?
Any where from 900 to 1200 depending on your area. And tech
Thank you for the explanation
Glad to hear that thanks for watching
No heat shields? Just melting plastic
Great Video. I have a question, my LG linear inverter compressor stopped but I'm not finding the same compressor # to replace, can I use another compressor # from LG or another brand?
What is the model number? Most compressors are being subed to the universal compressor. But you also need a jig to update the board
@@appliancerepair420 Thank you. The Model is LSXS26326S and the compressor # is FLB075LANA. Can I use another compressor? What do you recommend?
@@jhaneroberts2551 replacement compressor for your refrigerator is. TCA 3811706.
But you will also need the jig to update the board (software)
@@appliancerepair420 Thank you for your expertise.
It has to be compatible with your model as new high variable voltage compressors do not all operate at similar frequencies. Post 2018 and all built after 1/2020 use BUTANE as refrigerant and cannot be serviced thus way without causing explosion and fire
If you are new at this, don't use a rosebud tip on a home fridge lol. This guy did because he knows what he's doing. For the new guys, use a regular torch tip please.
He melted the plastic drain pan using the turbo tip. Too large and unneccessary
Aside from the melting plastic pan and risking melting the cap tub shut yea he did great 😅 could've at least turned the damn thing down a bit
I'm a newbie. Can I just use a propane torch? or is acetylene required?
@@dap777754 you cannot use a propane torch. You need icy-acetylene torch because propane doesn’t get hot enough to melt the fillet brazing rod. Brazing rod melts at 840 degrees and propane doesn’t do the job. Believe me, I’ve tried. If I could bring a propane torch instead of my brazing kit every time, I would, but I can’t because it doesn’t work.
This is the "real" repair. Replacing fans and motors is the easy stuff. At this point I boy a new refrigerator in most cases
How much do you normally charge for this type of repair ?
From900 to 1100 dollars. It’s lots of work
For 3 hours of light work??
Really??
👍👍
🎉
You work in outside good vented area. But when you do that all what you show here you should do flush system before installation . I though This LG project is should be easy like another brand with soft brazing don't used Oxyacetylene Torch when you work with oil compressors inside the customers side, it is not safety.
10 psi???? Seems a little overcharged. I heard with any sealed system the low side should be reading 0-3 psi with compressor running. I have a link to a Whirlpool sealed system training book.
Keep in mind that I am charging by weight. That’s what manufacturer recommends not by pressure. After about 24 hrs or so psi drops to normal running psi. Hope that helps
@@appliancerepair420 you are right. This is an old comment. My sealed system knowledge has since expanded by a lot.
R-134a canister should be turned upside down when charging
You can charge both ways but doing it upside down (in liquid form) risks flooding the compressor.
Any refrigerant ending in an "a" like 134a. The "a" stands for Azeotropic. That means it's a blend of different refrigerants. The keep the blend genuine it needs to be put into the system as a liquid. All the different refrigerants have a different saturation point and will boil off at different pressures.
If the throttle the manifold in short bursts the liquid will vaporise before it gets to the compressor. Good work on the video though 👍
Your over heating the copper WAY too much. You need a smaller tip on torch. You also don't need the brazing flux. Only needed for steel to copper or copper to brass.
This compressor will have same issues as it’s predecessor. I’m just wondering why we still see this type of compressor. LG hasn’t learned anything ? I get these units ag a warehouse with this “new” version of compressor and software. Same thing. They break with in a 2 years even times way less than that. Frustrated customers all over. There is a way to get rid of this nuisance. But LG has found out the cheap way out and has tampered with previous diagram to throw techs off so they won’t repair that way. They want all the money yet they produce a crappy product. Do yourself a favor and buy American made products. Whirlpool fridges are the best get the simplest ones. Kitchen aid is also a great brand. They are the same. These Korean products are just not made to last. Samsung is ok. Still has its issues.
I was told to stay clear away from Samsung and especially LG refrigerators. Too many issues with their compressors. Just think companies that specializes TVs are not masters in make refrigerators. Most refrigerator techs tell me to buy American made refrigerators. They see too many issues with Korean brands.
You left out refrigerant recovery procedures.
So do you test for acid in the system after a compressor failure, like you would in a AC system?
Not really I check the oil on the old compressor is it is a burn out then we flush the system
To big a tip on your torch. You are getting the copper way to hot.
At or below 500 microns
Great video! My LG refrigerator needs a new compressor and it's still under 10 year manufacturer's warranty. Are you in the Bay Area (94591)? I would like to hire you to fix my fridge if you are available.
Sorry we are in Orange County by Disney land.
Your older refrigerator would not have a Direct current high voltage liniear compressor. It would have a standard 1/4 hp 120 volt AC compressor
You should have charged it thrue the liquid side. You opened the suction to scale it in. But that's going to give you a flooded start. Which can wash out the oil on the compressor.
It's R134a and he's charging with vapor, not liquid. Even if he did charge with liquid, the majority would vaporize before it ran the 10 feet of hose to the compressor, and the rest would vaporize inside the compressor as it equalized pressure between the high and low side.
You want to charge it in vapor through the suction line. To avoid the flooding of compressor. Some people charge liquid for but they charge it very slowly and that does risk flooding of the compressor if you do it to fast. Vapor is the way to go.
these compressors don't last. Good time to be a repair man on the LG....work 6 days a week 12 hours a day and make some money
Plastic is melting at 8:55 - 9:20
All that to go wrong
OK...don't you need to drain out all the Freon in the system first??
I think I have a Bad compressor on a twenty year old GE fridge. It runs a lot, and hums at the end, sometimes clunks and then the lights dim(!) New problem: If I have one of my hall lights on things are relatively copasetic, but if I DON'T, then all the other lights dim. What could be going on?!? Early Sixties house, which did lose a leg of power back in July after storms. I already (probably) have a blown HVAC transformer and several other appliances.
You want to check power. Might not have full 120v And yes you do need to recover all the Freon first