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Fans / Air-conditioning Going Hyper after Supercharging

Discussion in 'The UK and Ireland' started by adsheff, Dec 23, 2019.

  1. adsheff

    adsheff Member

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    ok so I just supercharge for 10-minutes at Barnsley in my model 3 and just after I unplugged it and got in the car all the sudden the battery fans of the air conditioning went absolutely crazy made an incredible noise that sounded like a lorry driving past and that banging noise was heard from the battery like it was expanding. It was so loud it made me a bit scared I jumped out the car and stood back as I thought it was about to burst into flames. Anyway after about a minute it's stopped and just went back to normal Has anybody had this happen to them is it normal?
     
    • Disagree x 1
  2. NorfolkMustard

    NorfolkMustard Active Member

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    Normal :) Not every time, but often.
     
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  3. Roy W.

    Roy W. Battery running low...

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    The loud fans will be working because the battery heats up on a Supercharger. The banging noises are charging gasses being vented from the battery.

    All quite normal.
     
  4. ACarneiro

    ACarneiro Member

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    It’ll happen more in the summer :)
     
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  5. CMc1

    CMc1 supercharge.info editor

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    All in the manual...
    90D7F188-E716-4669-AB97-5DFFD3E465FC.jpeg
     
  6. Daverh

    Daverh Member

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    "Never spray a pressure washer directly onto the charge port while it's charging"
    I'll file that under things that you shouldn't have to say but do because someone will try to sue you for not saying it.
     
  7. Rooster6655

    Rooster6655 Active Member

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    don’t underestimate people’s ignorance
     
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  8. VanillaAir_UK

    VanillaAir_UK Moderator UK and Ireland

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    On that subject, does anyone actually know how the charge port drains away? @Marc Roberts has problems with his car leaking in area of charge port and I have on occasion had condensation in car when returning to car after supercharging in certain climatic conditions.
     
    • Helpful x 1
  9. Marc Roberts

    Marc Roberts Member

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    I’d love to know this. It’s surely designed to drain somewhere, as it is I have to keep rags in the little cubby hole to soak the water up whenever I charge in the rain (which was every day in December)
     
  10. adsheff

    adsheff Member

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    Thanks for your reply.

    I understand this and am used to hearing the fans running. My point was this was a sudden and extremely loud increase in the fans that ran for just a minute or so. It was out of the ordinary.
     
  11. Glan gluaisne

    Glan gluaisne Supporting Member

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    I've got a couple of vehicle Type 2 plugs (the fixed bit that is fitted to the car), and, although not Tesla branded ones, they both have a drain hose fitting at the bottom. This is because these plugs can collect water in the lower part, so when fitted to a vehicle there needs to be a drain pipe run down through the floor somewhere. I've seen the same sort of arrangement in the recess around a fuel filler cap on an ICE car.

    You can buy a little boot arrangement made of waterproof fabric that fits over the open charge port flap and plugged in connector. It's a bit expensive, though, and I've been thinking about making one, especially since I found a lot of water that had collected inside the connector on one of my charge leads a couple of weeks ago, causing it to come close to failing a routine insulation resistance test..
     
  12. Marc Roberts

    Marc Roberts Member

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    That’s interesting about the drain pipes. There’s nothing inside the car that runs away from the charge socket, it’s just a big orange lump.

    I will be interested to hear where Tesla say it’s meant to go on the Model 3!

    C9436BBF-2E7E-4D62-93BE-B6F83E1587FE.jpeg
     
  13. Glan gluaisne

    Glan gluaisne Supporting Member

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    This is a side-on photo of a typical Type 2 vehicle inlet plug, showing the drain hose connection at the lowest part of it. I've not had a good look inside the Tesla one, but the one of these I have fitted to my EVSE test box has a small drain hole that lines up with where this hose connector is right at the lowest part inside the hollow around the periphery, where the cable socket fits.

    upload_2020-1-1_9-34-46.png
     
  14. Adopado

    Adopado Active Member

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    I've shone a torch into the the Tesla M3 fitting and I couldn't see any drain hole.
     
  15. NorfolkMustard

    NorfolkMustard Active Member

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    I can feel a breeze coming through the socket in the morning when it’s warming up
     
  16. VanillaAir_UK

    VanillaAir_UK Moderator UK and Ireland

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    same is also meant to happen with door handles but on our car at least, its ineffective - may be because we have a leak in roof seal.
     
  17. Adopado

    Adopado Active Member

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    Ooh that's an interesting observation ... I'll try to remember to look out for that myself.
     
  18. ThrustSSC

    ThrustSSC Member

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    Errrr… the banging is from heat expansion in the battery cells, NOT charging gases venting off! I think you're confusing Tesla's Li-ion batteries with the old lead-acid ones.
     
  19. VanillaAir_UK

    VanillaAir_UK Moderator UK and Ireland

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    • Like x 1
  20. Roy W.

    Roy W. Battery running low...

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    Surely you’re not saying Tesla have moved on from lead-acid batteries? ;)
     

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