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KSGER T12 OLED - says ERROR or INVERT

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    #16
    Re: KSGER T12 OLED - says ERROR or INVERT

    I found the same thing with the one that I have but I think it because the angle is not quite enough and the center of balance is off so the back end with cord is heavier than the front end of it
    9 PC LCD Monitor
    6 LCD Flat Screen TV
    30 Desk Top Switching Power Supply
    10 Battery Charger Switching Power Supply for Power Tool
    6 18v Lithium Battery Power Boards for Tool Battery Packs
    1 XBox 360 Switching Power Supply and M Board
    25 Servo Drives 220/460 3 Phase
    6 De-soldering Station Switching Power Supply 1 Power Supply
    1 Dell Mother Board
    15 Computer Power Supply
    1 HP Printer Supply & Control Board * lighting finished it *


    These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%

    1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
    2 Hem Saw Computer Stack Board

    All of these had CAPs POOF
    All of the mosfet that are taken out by bad caps

    Comment


      #17
      Re: KSGER T12 OLED - says ERROR or INVERT

      i made a stand - it's in the ghetto-mods thread.

      Comment


        #18
        Re: KSGER T12 OLED - says ERROR or INVERT

        I want one of these

        https://www.aliexpress.com/wholesale...ing+iron+stand

        The reviewers say it works perfectly with the aluminium handle
        Follow me on YouTube
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          #19
          Re: KSGER T12 OLED - says ERROR or INVERT

          Ooops that was the wrong link

          This one....

          https://www.aliexpress.com/item/3299...archweb201603_
          Follow me on YouTube
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          Learn Electronics Repair
          https://www.youtube.com/channel/UCFX...R8UZ2vg/videos

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            #20
            Re: KSGER T12 OLED - says ERROR or INVERT

            Originally posted by dicky96 View Post
            Ooops that was the wrong link

            This one....

            https://www.aliexpress.com/item/3299...archweb201603_
            Stand looks good but avoid using the sponge, they can thermally shock the tips which decreases their lifespan on the long run.

            Get one of these instead. Try coaxing the seller in sending you one(they are already sending the metal wool as per the link you provided)
            https://www.aliexpress.com/item/3245...archweb201603_

            Comment


              #21
              Re: KSGER T12 OLED - says ERROR or INVERT

              Never mind, I did not initially see the cutout in the stand for the steel wool. Although as is, it seems one would bang the tip on the stand before getting used to that angle.

              Comment


                #22
                Re: KSGER T12 OLED - says ERROR or INVERT

                I find brass wool gives a shorter tip life, it scrapes off the plating, metal against metal. In our manufacturing plant, this was the case and techs were actually throwing the brass wool in the garbage because it kills tips fast.

                A moist sponge has always worked the best for me, as long as you don't make a steam bath. "thermal shock" for a piece of plated metal does not bother it.

                The T12 soldering stands have all the wrong dimensions - many mm gap so the handle droops or falls out. This machined aluminum one is stupid expensive, the tip hits hard, nothing to catch it from falling out, usual crap design.
                Russians made some mods of a cheap stand.
                Attached Files

                Comment


                  #23
                  Re: KSGER T12 OLED - says ERROR or INVERT

                  brass wool is fine,
                  but a lot of the cheaper stuff is brass or yellow-coated steel!!

                  steel is to hard - brass is soft.

                  Comment


                    #24
                    Re: KSGER T12 OLED - says ERROR or INVERT

                    Interesting. I have had the opposite experience. I had a 936 (knockoff of the hakko 936 but the "high end" kind of knockoff if you can call it that ) heater element die on me and a few tips that got oxidised because of plating cracks when using sponge. I did get good millage out of it though.

                    I switched to T12 and brass wool. I still haven't had a dead tip or bad tip in years.

                    I would guess it also comes down to how the brass wool is 'packed'? Having it loosely or tightly packed in its container would act differently? (analogues to different grit sandpaper)

                    This machined aluminum one is stupid expensive, the tip hits hard, nothing to catch it from falling out, usual crap design.
                    Very true and very frustrating to use!
                    Last edited by Spider1211; 03-03-2020, 04:46 PM.

                    Comment


                      #25
                      Re: KSGER T12 OLED - says ERROR or INVERT

                      Originally posted by redwire View Post
                      I find brass wool gives a shorter tip life, it scrapes off the plating, metal against metal. In our manufacturing plant, this was the case and techs were actually throwing the brass wool in the garbage because it kills tips fast.

                      A moist sponge has always worked the best for me, as long as you don't make a steam bath. "thermal shock" for a piece of plated metal does not bother it.

                      The T12 soldering stands have all the wrong dimensions - many mm gap so the handle droops or falls out. This machined aluminum one is stupid expensive, the tip hits hard, nothing to catch it from falling out, usual crap design.
                      Russians made some mods of a cheap stand.
                      I have the one on the left is the one on the right any better and is it worth the money

                      I bought one also the angle is not correct and the opening is to wide to keep the soldering iron in place it a shame that it not made correctly because to me it would be a nice stand otherwise

                      I have use the brass wool and have not had a problem as such but if you clean your tip a lot it does slowly wear out your tip but I tend to run my tip a little bit hotter than maybe I should ( also have to clean the tip more often because of the higher temperature setting ) but I do not want to burn traces off the boards so there is a trade off which I willing to accept
                      Last edited by sam_sam_sam; 03-03-2020, 09:19 PM.
                      9 PC LCD Monitor
                      6 LCD Flat Screen TV
                      30 Desk Top Switching Power Supply
                      10 Battery Charger Switching Power Supply for Power Tool
                      6 18v Lithium Battery Power Boards for Tool Battery Packs
                      1 XBox 360 Switching Power Supply and M Board
                      25 Servo Drives 220/460 3 Phase
                      6 De-soldering Station Switching Power Supply 1 Power Supply
                      1 Dell Mother Board
                      15 Computer Power Supply
                      1 HP Printer Supply & Control Board * lighting finished it *


                      These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%

                      1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
                      2 Hem Saw Computer Stack Board

                      All of these had CAPs POOF
                      All of the mosfet that are taken out by bad caps

                      Comment


                        #26
                        Re: KSGER T12 OLED - says ERROR or INVERT

                        Originally posted by Spider1211 View Post

                        I switched to T12 and brass wool. I still haven't had a dead tip or bad tip in years.

                        If you swapped to T12 and brass wool at the same time (that's how the sentence reads grammatically), how can you come to a conclusion that the damp sponge (vs crap soldering iron bits) was causing you problems previously?
                        Follow me on YouTube
                        ------------------
                        Learn Electronics Repair
                        https://www.youtube.com/channel/UCFX...R8UZ2vg/videos

                        Comment


                          #27
                          Re: KSGER T12 OLED - says ERROR or INVERT

                          another question,
                          how are you all using the wool?

                          i wipe the tip across it, i dont stab it into the pot.

                          Comment


                            #28
                            Re: KSGER T12 OLED - says ERROR or INVERT

                            Originally posted by dicky96 View Post
                            If you swapped to T12 and brass wool at the same time (that's how the sentence reads grammatically), how can you come to a conclusion that the damp sponge (vs crap soldering iron bits) was causing you problems previously?
                            My bad, I was sleepy went I wrote this. I did repair my 936 but switched from sponge to brass wool. I had a similar tip (from same batch as the bad one). Never had any issue.

                            I switched to T12 at a later stage but kept using brass wool. I now keep the 936 as a back up.

                            Comment


                              #29
                              Re: KSGER T12 OLED - says ERROR or INVERT

                              Originally posted by stj View Post
                              another question,
                              how are you all using the wool?

                              i wipe the tip across it, i dont stab it into the pot.
                              Light stabbing on the 'loose' part of the wool. I used to wipe but sometimes solder would fly off.

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