🔴 #574 KSGER T12 Hardware Issue - Will The Real HW 2.1S Please Stand Up

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Is your battery going flat on your KSGER T12 Soldering Station?
Voltlog did a video on it, and I thought I would look a bit deeper into it on my unit, BUT it turns out my HW 2.1S version is not actually the same as his HW 2.1S version !
Voltlog has the KSGER in a plastic case version, I have the KSGER in a metal case version.
KSGER Review: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-trXA59c-VjY.html
KSGER Calibration: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-JIe8VfSQF9Q.html
KSGER T12 V2.1S Digital Soldering Station: defs.link/?u=5c112e
T12 Aluminium Alloy Handle: defs.link/?u=916716
Check out Voltlog's video here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-QESGY5LzPPw.html
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Опубликовано:

4 июн 2019

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Комментарии : 33

@voltlog 5 лет назад

Interesting that it shows the same hw version in the menu but in reality you have a completely different board. Anyway, upon further investigation on my unit at least that R10 resistor is there, in theory to prevent reverse leakage current to the backup battery through the diode used in OR configuration above. Except it's somehow placed in the wrong spot in the circuit so it just slowly drains the battery. Possibly a design error.

@tomgeorge3726 5 лет назад

Hi, I got a unit that displayed the ERROR, my problem was a wrongly wired soldering iron handpiece.

@MaximC 3 года назад

Wondering how KSGER's compares to Quicko's model. Searching for a comparison video, but can't seem to find it.

@EdelSM 5 лет назад

i have the same board, but mine is from the mini (no psu) kit. i think they have two HW 2.1S versions, one tagged with "2018" (the one we have) and one without which voltlog have. mine also doesnt drain for several months already.

@TheDefpom 5 лет назад

Thanks for the information

@geirendre 5 лет назад

According to Voltlog, his unit is equiped with a 5A fuse in the IEC connector on the back. Seemes a bit extreme to me, wouldn't a 1A fuse be more suited? Is it the same size on your unit?

@TheDefpom 5 лет назад

Geir Endre Jenssen - I don’t think that I have actually looked, I should check that.

@davidv1289 5 лет назад

I checked my KSGER soldering iron with hardware version 2.1S and it does not have the resistor across the battery. Mine has the all aluminun housing with the 6 mm machined front plate.

@TheDefpom 5 лет назад

So your is the same as my one by the sounds of it, not affected.

@allanpennington 5 лет назад

I have read feedback from purchasers on the Banggood site saying the firmware is flashed to show HW 2.1 regardless of what is inside, since the v2.1 is a popular seller they are now faking the readout on the screen to sell older models.

@michaelo2l 4 года назад

A related youtube video by John Salt identifies a possible cause, he found that on his board the metal part of the switch (Rotary Encoder) being misaligned shored two traces thereby grounding one side of R10... As not everyone reported battery issues, it's entirely possible this could be an issue....

@TheDefpom 4 года назад

Michael O'Toole - that sounds plausible, thanks for the info.

@davadoff 26 дней назад

I thought one side of R10 shorting the battery was connected to ground anyway.

@geirendre 5 лет назад

So it's probably not easy to measure the standby current drawn from the battery when it's soldered on like that. You would need to lift one leg to do the measurement. Just to check if it has the same problem (just with another resistor)

@TheDefpom 5 лет назад

Geir Endre Jenssen - I think mine is ok, I have had it since January and there’s no sign of the battery being bad, although I don’t pay attention to the units built in clock anyway!

@kwastek 5 лет назад

I have the version with battery on wires. the problem I had was that the battery was shorted by one of its spot welded leads

@TheDefpom 5 лет назад

kwastek - wow, that isn’t something you you expect to come across!

@cmocmo2277 2 года назад

My version is like your's with no capacitor on the blue board but different than yours in tbat my battery is wired and not permanently attached like yours. So my unit is in between yours and Voltlog's I guess....wish more how to videos existed on my version since I'm a newbie.

@JanCiger 5 лет назад

@Defpom's Electronics & Repair - I Fix Stuff Do you also have the terrible power supply with a heatsink insulated from the mains only by the soldermask on one side? That would be worth checking. The battery issue is annoying but why a soldering iron needs an RTC is beyond me, so likely not a big issue if the battery is removed. The power supply on the other hand could be a nasty death trap.

@TheDefpom 5 лет назад

Jan Ciger - I will look into that finding, if that is the case I may look to modify it.

@JanCiger 5 лет назад

@@TheDefpom @VoltLog has it in his video. And given that you have a metal case, not plastic, that could be quite an issue.

@electro3976 2 года назад

Hi i have a unit with similar control board. Problem is i cannot make any adjustment to the settings with the Rotary Encoder. The switch on encoder does work but i cannot change any values i have replaced the encoder with one from an Arduino module i think KY40 but same results any idea what might be wrong would be appreciated.

@TheDefpom 2 года назад

That sounds like there is a fault on the PCB, maybe a bad solder joint or solder bridge somewhere.

@electro3976 2 года назад

@@TheDefpom Thank for reply had a look but couldn't find anything obvious

@chefbink61 5 лет назад

The other thing that seems odd is KSGER offers a programmer for their stations but they do not offer the firmware as a download. So I would think there could be hacks that could be done but it would be great if they could offer the base code.

@TheDefpom 5 лет назад

I haven't looked into any of that, I have been perfectly happy with the my unit, it works well.

@jfangio9260 4 года назад

So much for Chinese configuration management

@giacomo.delazzari 5 лет назад

I'm having the impression that there are a lot of clones of these Ksger stations on Banggood. HW revisions look different from the Aliexpress Ksger Official Store ones, and the same goes for the FW that looks even more different on some models listed on Banggood (some have serif fonts instead of sans-serif, and use angle brackets instead of square brackets in the menus) and other stuff. Very annoying. IMHO yours is not a genuine Ksger one.

@TheDefpom 5 лет назад

Giacomo De Lazzari - it is hard to know which is the fake, the build quality of the unit I have is good, better than others I have seen, my thinking is that the others are fake because of that, but I really do not know, maybe they are all fake!

@giacomo.delazzari 5 лет назад

@@TheDefpom Sure, of course being a "clone" doesn't imply it's bad. It's just a pain to troubleshoot/compare/work on since there is an insane number of variants you can't even identify easily! That's really annoying :(

@What_I_Make 5 лет назад

Fairly typical of a cheap manufacturer, little engineering, Maybe copied the idea from a capacitor discharge circuit initially, Poor testing, design and build no testing means let the maker debug our gear and Poor quality control, wrong identification. What else, let the makers show us how. Wonder how many makers request a refund or exchange for the failure.

@TheDefpom 5 лет назад

The one Voltlog has obviously has the issue, my unit does not, it is interesting that they both have the same hardware version, whilst they are very different boards.

@What_I_Make 5 лет назад

@@TheDefpom the last statement relates to your unit and the title of your video.