HVAC Service Call: LG Multi V IV Error Code CH29 (Inverter Compressor Over Current) Error Code 291

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  • Опубликовано: 9 дек 2024
  • HVAC Service Call: LG Multi V IV Error Code CH29 (Inverter Compressor Over Current) Error Code 291 / LG MULTI V 5 ERROR CODE CH29 - Outdoor Unit Inverter Compressor Over Current ( Outdoor Unit Inverter Compressor Fault Or Drive Fault) LG Troubleshooting / HVAC VRF VRV Training
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Комментарии • 85

  • @jfrancis98
    @jfrancis98 Год назад +18

    VRF systems are a service techs blessing and curse at the same time. Get good at these boys and you’ll have steady work forever.

    • @drewc7479
      @drewc7479 Год назад +1

      Yea so true ... I feel like most of them is just reading the manuals and learning the manufactures specific issues /codes. Everytime I go to a new one it's pretty much reading a manual for how ever long it takes to find the issue. But ya as long as you understand how they are installed and how to find the error codes they aren't that bad . Only a real problem if it was never installed or serviced correctly Its hard to show up to a call and expect the entire system to be working how it's supposed to . Especially when their in house maintenance says it never worked properly from installation lol

  • @hvacworld7421
    @hvacworld7421 Год назад +2

    Good video.
    Just for the future as you will likely see a lot of issues at that job site…
    In this case.
    Your error is actually 29-1
    29 is the error 1 is saying it’s the master unit.
    C1 is compressor 1 and the 1 by its self says it happened 1 time.
    If you have a slave and had an issue on that unit it will read 292 or 29-2.
    Also the compressor is an inverter driven compressor and runs on AC not DC. The CFMs run on DC.
    The suction driers are a bad sign. There seems to have been alot of issues there. The suction driers should have been installed with a bypass and after the clean up from the burnout was complete it should have switched to the bypass. That drier should not stay in place and needs to be removed.
    If you haven’t done so already get the LGMV service tool for the laptop or mobile. I prefer mobile as it is easier to use a phone then computer but to each there own.
    Good luck and keep up the good work

  • @MarioDallaRiva
    @MarioDallaRiva Год назад +5

    I’m amazed these units sit outside as they do.
    If it had been pouring rain that day, would you have done this diagnostic work or waited until it dried out?
    Nicely done, guys.

    • @joshperez7731
      @joshperez7731 Год назад

      Would you want to sit in the rain all day messing with electronics ? The customer is fucked if its raining.

    • @MarioDallaRiva
      @MarioDallaRiva Год назад

      @@joshperez7731 Totally. Where I live it's always raining so I wonder how the techs deal with outdoor equipment all the time.

  • @joprilsubano0405
    @joprilsubano0405 Год назад +3

    Thank you so much sir God bless you always 🙏 and safety first 🥇

    • @JumpermanTech
      @JumpermanTech  Год назад

      You're very welcome & thank you! Bless you too. Safety first👍 Stay tuned for new videos every week🔧⚡️

  • @ivanmasembe3678
    @ivanmasembe3678 Год назад +2

    One day I will be the best top a/c machnic much love from united Arab Emirates Dubai

    • @JumpermanTech
      @JumpermanTech  Год назад

      Keep up that mentality & you will be. Stay humble & thanks for watching 😁🔧⚡️

  • @thesilentonevictor
    @thesilentonevictor Год назад +2

    Man you love the complicated location lol but it's a pay day for you have a bless day from st lucia

    • @JumpermanTech
      @JumpermanTech  Год назад

      I dont love the complicated locations but the complicated locations love me😂 Definitely a big job. Wish you a blessed day & week ahead from USA🔧⚡️

  • @chrisgotgame16
    @chrisgotgame16 Год назад

    Great job JMT Must have been cold up there!

  • @RoaddogRoaddog
    @RoaddogRoaddog Год назад

    Great job troubleshooting bro.

  • @Aryan-bn3fl
    @Aryan-bn3fl Год назад +2

    Great troubleshooting 👍

    • @JumpermanTech
      @JumpermanTech  Год назад +2

      Thank you! Stay tuned for new videos every week🔧⚡️

    • @Giorgos-k1e
      @Giorgos-k1e 2 месяца назад +1

      ​@@JumpermanTech what's the name of the app you used for the error code searching please tell me😢😢

    • @JumpermanTech
      @JumpermanTech  2 месяца назад +1

      @Giorgos-k1e "LG HVAC SERVICE-BUSINESS" App. It's a must have when dealing with any LG unit. Good luck! Thanks for watching 🔧⚡️

    • @Giorgos-k1e
      @Giorgos-k1e 2 месяца назад +1

      @@JumpermanTech does the app work just to show me any error code and not dealing with anything?

    • @JumpermanTech
      @JumpermanTech  2 месяца назад

      @Giorgos-k1e It can tell you what the error code means and it also gives you information on what to check based on the code. Thanks for watching! 🔧⚡️

  • @kennethlobo4420
    @kennethlobo4420 Год назад

    Love your trouble shooting on this unit

  • @thesilentonevictor
    @thesilentonevictor Год назад +3

    Good troubleshooting

  • @LC-qi5ff
    @LC-qi5ff Год назад +3

    Very helpful!

    • @JumpermanTech
      @JumpermanTech  Год назад +1

      Glad you found this video helpful! Stay tuned for new videos every week🔧⚡️

  • @최형우-d2d
    @최형우-d2d 7 месяцев назад

    Hello, I always appreciate your technical videos and am learning a lot from them. I'm currently watching your LG VRF troubleshooting video. Could you share the LG troubleshooting manual you have with me?

  • @zekenzy6486
    @zekenzy6486 Год назад +1

    Great Video. Thank you for sharing

    • @JumpermanTech
      @JumpermanTech  Год назад

      Appreciate it Zekenzy! Stay tuned for new videos every week🔧⚡️🙏

  • @reimarchi1882
    @reimarchi1882 7 месяцев назад

    Parabéns !!😅

  • @joegreaser
    @joegreaser Год назад

    Great view ..

  • @johnwalker890
    @johnwalker890 Год назад

    Good job Jumper, Yeah, Klein makes a better mega ohm meter or megger old school electricians call them, megger is a name of one of the manufacturers that started making them, but yeah, the Klein gives you digital read out or better reading on resistance values, than just a lighting display, the Fluke mega ohm meter is super expensive, Good job.

  • @lowrybrock8272
    @lowrybrock8272 Год назад +1

    Very good video. I’m fascinated by those LG units. Got a question for you, was it just a trick of the light or did the black wire going to the compressor look like the insulation had rubbed off in one spot? If it was maybe it was intermittently short to the front cover?

  • @mikemalone6103
    @mikemalone6103 Год назад +1

    That SL drier is best installed vertically you otherwise need to add about 1/2 quart of oil that sits in the bottom of the canister that never returns to the compressor, and with the Hassel of removing that pig, with that beast out of the way, why would you not replace those vibration eliminators that always leak.

  • @jasonjohnsonHVAC
    @jasonjohnsonHVAC Год назад +1

    Diode test will confirm the board go/ no go

  • @JuanTodoli
    @JuanTodoli Год назад

    Last time I checked transistors on inverter PCBs, Daikin asked for an analog tester to check continuity (Manual ESIE05-03, check 5.9.4)

  • @mrgreen9086
    @mrgreen9086 Год назад +1

    I just want to confirm that you're supposed to check ohms with the unit on or with the power disconnect engaged?

    • @JumpermanTech
      @JumpermanTech  Год назад

      Anytime you're checking resistance (OHMS), the power must be off 👍 Thanks for watching & stay tuned for new videos every week🔧⚡️

    • @mrgreen9086
      @mrgreen9086 Год назад

      @@JumpermanTech Right I only asked because there was side note at the bottom of the video that you were checking this with the power on, so I thought maybe this particular unit needs to power on to check resistance.

  • @jeffgrant6914
    @jeffgrant6914 Год назад

    Good video 👍 buddy

  • @FreonChugger
    @FreonChugger Год назад +5

    Those M500 supcos are no good. The readings it labels are blatantly wrong. You need a megaohmeter with an actual reading on display. For about the same price as that Supco you can get a Klein ET600. Spot testing never gives a clear indication of poor insulation. A DAR test on windings will give a better idea of how good the insulation is.
    For further reading: IEEE 43-2000, Megger’s “A Stitch in Time”, Copeland 4-1294
    Edit: Fluke also has a good article about IRT for compressors

    • @JumpermanTech
      @JumpermanTech  Год назад

      I do want a megohmmeter that has an actual number reading on display. That Klein ET600 looks legit. What meters would you recommend as maybe good mid-range megohmmeter because some of the prices get ridiculous on the higher end. I need to look into those tests and articles. Thank you for the feedback & stay tuned for new videos every week🔧⚡️

    • @JumpermanTech
      @JumpermanTech  Год назад

      Or the Kelin ET600 will do

    • @FreonChugger
      @FreonChugger Год назад

      @@JumpermanTech I’m personally a big fan of Klein’s meters due to giving the absolute best bang for your buck. There’s videos out there showing off how even cheap Chinese meggers are still able to give reasonably accurate readings compared to Fluke’s, but it always goes back to brand confidence.
      And I love the videos man, I do residential/light commercial so I never see anything as diverse as you do. You’re by far one of the best in the field HVAC/R channels right now. Salute.

    • @brandont9015
      @brandont9015 Год назад

      REED makes an affordable megger

  • @andrasmuller3882
    @andrasmuller3882 10 месяцев назад

    I have a Lg hm 123m u 33 type heat pump, error ch29 occurred. So far several experts have looked at it. There was a software update, what could be the problem? Maybe the surface of the spiral snake heat exchanger of the indoor tank is small?
    the heat pump stops approximately every three days in the evening hours and must be completely disconnected from the power supply, after which it can only be restarted.

  • @MrAlexanderty
    @MrAlexanderty Год назад +3

    Moscow 👀

    • @JumpermanTech
      @JumpermanTech  Год назад +1

      American & Russian🇺🇲🇷🇺! Stay tuned for new videos every week🔧⚡️

  • @donnellbaxter8050
    @donnellbaxter8050 Год назад +2

    Good video what kind of LG app

    • @JumpermanTech
      @JumpermanTech  Год назад

      Thank you! It's the "LG HVAC SERVICE-BUSINESS" app. Stay tuned for new videos every week🔧⚡️

  • @prowesstv
    @prowesstv Год назад +2

    The 1 is the location unit address 1

  • @THESEASONE416
    @THESEASONE416 Год назад +1

    are you in toronto?

    • @JumpermanTech
      @JumpermanTech  Год назад

      New York City🔧⚡️ Thanks for watching & stay tuned for new videos every week

  • @nebraskaman8247
    @nebraskaman8247 Год назад +4

    Lg with a bad compressor. No way!

    • @nebraskaman8247
      @nebraskaman8247 Год назад +2

      That’s a joke just fyi

    • @maxlawton2754
      @maxlawton2754 Год назад +1

      how would you even change this compressor, take out all the boards? looks like terrible servicability.

    • @nebraskaman8247
      @nebraskaman8247 Год назад +1

      Your guess would be as good as mine on that condensing unit. Prob gotta tear it all down.

    • @JumpermanTech
      @JumpermanTech  Год назад

      @maxlawton2754 Stay tuned for next week. Just changed the compressor today. Had to take down the whole control panel. Recorded the job. Terrible.

    • @JumpermanTech
      @JumpermanTech  Год назад +1

      @@nebraskaman8247 Yup. Had to take down the whole control panel. These units are so smart that they are dumb😂 worst compressor changeout ever

  • @nikitaadamanov3463
    @nikitaadamanov3463 Год назад

    Hello, please tell me the error c1_1 (211), when you restart the chiller, error 22 comes out - what should I do? - so far I have found that 1 compressor for 50 amperes in my 3 phases calls to the ground of the order of 100-150 ohms, I threw it away the inverter board is working (I sin only on the current sensors on the board itself) - but not a fact 😥😥😥😥😥😥

  • @robertdavenport9095
    @robertdavenport9095 Год назад +1

    Great video what LG app was that because I have to work on this same one in Tuesday

    • @JumpermanTech
      @JumpermanTech  Год назад +1

      Thank you Robert! The LG app is "LG HVAC SERVICE-BUSINESS". Definitely a great help. I'd even recommend to call tech support to confirm everything you found & if there could be any other potential causes for the issue the system is having. The testing documents I used in this video was emailed to me by tech support which is not found in the standard manual. They have all the secrets! Good luck & stay safe out there🔧⚡️

    • @robertdavenport9095
      @robertdavenport9095 Год назад +1

      @@JumpermanTech Thank you much appreciated. Very complicated unit the LG Multi V. I had a slave and master unit. One time people were complaining about the temperature. All I had to do was clean the filters. These smart units either work very well or will give you headaches. I wish all calls was that simple lol.

    • @JumpermanTech
      @JumpermanTech  Год назад +1

      @robertdavenport9095 You're very welcome. Definitely very complicated systems. I'm learning them myself. I agree. Man I need some easy service calls. Been getting difficult ones but thats what makes you grow💯

    • @robertdavenport9095
      @robertdavenport9095 Год назад

      I have to change the Compressor and Broad how crazy is that??? Thank you for the LG information my brother.

  • @marinawadie2297
    @marinawadie2297 Год назад

    Ch29 mean that compessor was damage?

  • @therandomchannel6103
    @therandomchannel6103 Год назад +1

    What’s the app you use

    • @JumpermanTech
      @JumpermanTech  Год назад

      "LG HVAC SERVICE-BUSINESS" app. Thanks for watching & stay tuned for new videos every week🔧⚡️

  • @abdullah_q8171
    @abdullah_q8171 Год назад +2

    Bad to work with VRF 😢

  • @LC-qi5ff
    @LC-qi5ff Год назад +1

    Is it the thinQ app?

    • @JumpermanTech
      @JumpermanTech  Год назад +1

      This is the "LG HVAC SERVICE-BUSINESS" app. Great to have when serving LG equipment. Also tech support has documents that the manuals provided don't have so give them a call & they'll email it to you. That's where I got the diagrams used in this Video. Stay tuned for new videos every week🔧⚡️

  • @mwdub02
    @mwdub02 Год назад

    I can imagine this one is gonna be the worst compressor job ever. Man that freaking oil is way too close to where you’re gonna be brazing. Pay attention these units only have strainers so a little carbon will cause you so much headache. Good luck

  • @TheGhettoLobster
    @TheGhettoLobster Год назад

    Please get rid of the supco megger and get a real one like klien or fluke.

  • @josephderusso4594
    @josephderusso4594 Год назад

    Those LG units r the worst n support suck’s!!! U did great job Ty for videos

  • @coldfinger459sub0
    @coldfinger459sub0 Год назад +1

    In all my years of selling and installing LG MUTI V I never had a single compressor fail.
    I see videos of failure and think what was not done correctly on installation.

    • @JuanTodoli
      @JuanTodoli Год назад +1

      Did you see these pipe connections to the unit?

    • @coldfinger459sub0
      @coldfinger459sub0 Год назад +1

      @@JuanTodoli yes, I seen those pipe connections did not want to badmouth anybody about their braze looking like a child’s building blocks first time attempt