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Repairing a Hottop KN-8828B-2K

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  • Repairing a Hottop KN-8828B-2K

    Hiyas
    I recently got hold of a Hottop model I think is KN-8828B-2K for basically cost of postage, Im a techie for a job so figured why not!
    This unit apparently doesn't power on, and Im thinking first stop either control or mainboard, its still in the box under a bench at work,
    Anyone have any experience on these before I start wailing pulling whats left of my hair out ?
    Ill still buy Genecafe number three(Ive killed two since 2007 ;P) but wanted to play with this first, sadly I picked up a cheap popper for nostalgia sake and roasted some awesome Peru beans few nights ago they smell awesome!

  • #2
    Hi Sullo.
    These machines have a fuseable link, so that might be a good place to start.
    I've found that the USA Hottop site has lots of good info and videos for maintenance repairs and upgrades. Parts are readily available in Aus.
    Not sure if this link is OK to post, if not a quick google will bring it up.
    https://www.hottopusa.com/

    Cheers
    Mal

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    • #3
      thanks Mal I think Id seen something like that which led me to think I just might be able to do something with this!
      Let ya know how it goes, Andy will know cos Ill be buying beans to feed the little beasty!

      Comment


      • #4
        Sullo,

        I sent you some good information on getting your hottop fixed about 4 days ago.
        CS deleted my post, probably because it contained the name and email address of someone at the Hottop head office who was actually interested in helping you as opposed to just selling you stuff.
        Anyway got a + version of this machine, I've completely stripped it down, changed the control board and the heater element. plus lined up the new heater element, (important).
        If you want help from another old engineer with "questionable skills", (loved it !) PM me, (ideally with a phone number or email).

        Regards,

        Snowytec.

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        • #5
          Originally posted by snowytec View Post
          CS deleted my post
          Dunno what got deleted but it's pretty rare for anything to get removed unless it breaches the few rules we have here.

          Of course, contact details are best sent via PM as spammers will scrape them and send them Viagra emails forever more.

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          • #6
            Originally posted by Andy View Post
            Dunno what got deleted but it's pretty rare for anything to get removed unless it breaches the few rules we have here.

            Of course, contact details are best sent via PM as spammers will scrape them and send them Viagra emails forever more.
            but Andy im 48 now i might need .... nm i still have coffee ��

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            • #7
              Ok so im only half awake atm and son brought me an instant as Esmerelda (bes900) wasnt on and i fell asleep on lounge with ipad reading about hottops, going by the picture im attaching, how stupid would i be if i connected 12v dc to the solenoid for bean launcher and motor to check they still work?
              Im going to photograph and finally completely dissassemble Tumbly today(roasters name) so i can both clean the bugger and work out what needs replacing
              Attached Files

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              • #8
                So whilst i havent had much time to work on diagnosing what is wrg with the hottop,
                i repurposed the cooling tray for roasting via the popper then got hold of a behmor today then in a fleeting macgyver moment realised the ryobi shop fan is similar diametre to the hottop cooling tray!
                Faceplant that into the hot beans from the behmor into the hottop tray!
                Attached Files

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                • #9
                  Cleaning power of caffetto

                  I forget often to work on this as i was thinking a lost cause due to coffee crud build up but jeebus leave soak in a lil caffeto an holy duck poo batman parts look like new!
                  This unit cost me $30.00 thinking its still worth progressing after how clean its coming along

                  Some before after pics
                  Attached Files

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                  • #10
                    Cafetto Espresso Clean is great stuff alright...

                    Can be used for pretty well removing most organic baked on crud, cleaning teapots, oven/grill trays...
                    The list goes on and on.

                    Mal.

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