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this video is a waste of time... as is buying this dispenser a waste of money.

Thanks for the video brother! Are you russian or polish?😀

Thanks for the video. Mine recently stopped working as well, and this video motivated me to try to troubleshoot it some more. Managed to "fix" it without actually fully disassembling the unit, as the issue was a clogged pump or stuck motor. A few tips to anyone with a faulty unit: - If it manages to charge, turn on, and turn off, it's probably not the battery. - To determine if the issue is a faulty sensor, follow the guide on the SimpleHuman site to run the motor continuously, which is: cover the sensor completely with your finger, push the power 3 times quickly (no more, no less), and keep your finger covering the sensor. The light should remain blue for as long as your finger covers the sensor, and will turn off once you move your finger away. If this is true, then it means the sensor is working, as it was able to see your finger. - If you've determined the sensor is working, then the issue is likely with the pump/motor. In the previous test, where you cover the sensor and push the power button 3 times, the act should cause the motor to run continuously while covering the sensor. To try to unclog the motor, optionally remove the soap cartridge from the unit by unscrewing it (as seen in this video), and while triggering the motor to run continuously via the sensor test, try to hit the back of the unit several times. If you're lucky, hitting the unit will cause the motor to become unstuck, and the unit should work again.

Could you tell me which sensor did they use?

I got one as a gift and it stopped working after a couple of years..this is why Americans are broke they find the most expensive way to do something. A regular soap dispenser works just as well for a fraction of the price...

Excellent video which helped me immensely. Thank you.

I'm fixing a similar problem with my K4. Building it back up in the head of the pump there are 3 little springs and little white plastic valves in the middle. What goes in first? spring or white plastic piece with spring on top?

Thanks for this. I had the same issue, motor just was silent. Opened it up and didn't quite get into the glued bit when it just started working again. For anyone else, after you open the first part, before you get into the difficult glued part, bang the motor section a couple of times on your table, not too crazy but enough to jog a stuck motor. It might just start working again.

Thank you for Great tutorial. This has all information for small project. This is an expensive product need small part and little effort. Save money $$$

Well done thank you. My K4 has same problem. I now need to take apart & find out where leak is coming from so thanks for your video. Merry Christmas 🎄👍

Thanks for _not_ editing away the effort it took ! ☝️Tip: heat (60°C to 80°C) soften most types of glue without damaging most plastics used in household products. Apply gently, careful with heat guns. An hour in an oven works wonders and will not harm the battery.

excellent video, followed exactly what you did, everything is working again, wish I could get you a beer, thank you.

I am super pleased to have these videos to look at! Tyty! Got mine apart now after the same LED behavior shown in video part 1. Weirdest thing for me is everything tested fine, put the board and plugs back in, unit started working normally again??? Guess the board needed a full power cycle? ...But any problem that goes away by itself can come back by itself... As nice as that is, hard to see myself buying any of these again. I really liked it when it worked but the construction makes it disposable. What is an owner suppose to do when the LiPo battery reaches End of Life? Can't put in a fresh working one without nearly destroying it. There is another model that uses four D-cell batteries but still, same argument works regarding pump failure or sensor failure.

I found the solution in a simple step 😊😊 just refill with a hot water and done Tell me if works for you ok 😋😋

Thanks for the videos, even if we got to the point of realizing the sensor is the problem. Very informative.

Damn! This is so hard to open!

So I've only used this pressure washer one time. czcams.com/users/postUgkxfQauTxLT0JLSvqkq10rD79TU4k0Vz8zP The one time I used it, it worked great. I recently had new siding installed but kept the old gutters and small areas surrounding my house that weren't replaced so they looked horrible and dirty because of the new siding. I needed to get it cleaned asap. When I used the pressure washer, man it just melted all the dirt and grime that was on those areas of my house. I used that krud kutter soap and it was over after that. Easy to assemble, feels durable, very simple to use. Also, I purchased a used one to save money and there was absolutely nothing wrong with it. I want to get more use out of it so I think I'll be washing the cars and update this comment as time goes on.

Very clear video I have the exact same issue and my split is in the same place, waiting for my control head manifold to arrive

Excellent video, good job 🙂

👍👍👍.Thank you

Hi Could you please explain about the 22 mm and 20mm information. Do you mean the internal diameter of the hole? I need to buy a new part and my model is K4 Compact 1.637-313.0. If I bought the 22mm one and mine is 20mm for example would it still fit?

Very clear and complete video with some good tips on how to repair a K4 Compact Karcher Thank you

Brilliant video!!

Much easier to submit a warranty claim through AMEX. Mine just flashes red when I try to use it. I’m stuck at trying to spit the glued casing.

The most frustrating video ever watched.

How disgusting that a product that is at the top of the price range lasts only 5 year or so with no ability to service the parts. They could easily make this more modular but they choose not to. I guess they are expecting consumers to just add the entire unit to the landfill and purchase another. For this consumer what it actually means is that I won't waste another dime on overpriced, underwhelming Simplehuman products.

That's why a heat gun was invented. Shoot the heat on for a minute and it will release the glue hold. Nice to see the inside as I had to get mine open to unclog it.

You forgot to do a manual test by tap 3 times the power button to test the pump

Is the motor and pumping unit the same on the simplehuman foam dispenser?

Is it safe to run your unit with some diluted alcohol once in a while to make sure soap dies not dry up inside?

Hello, great video from you. I have a problem with the soap dispenser. If the soap dispenser was fully charged after 2 days, the LED flashes red, which means that the battery is empty. Or am I wrong?

And what is the point of all this?

Thanks 4 vid. Observations always take pics b4 & during disassemble to help reassemble especially gaskets & connectors. I have an extra large white gasket left over. Mine was leaking around red gasket in botton where fill tube penetrates main body. Soap entered into motor chamber when overfilled. Will place clear rtv on bottom side around where red gasket and fill tube penetrate, since gasket may leak if I get it working. Suggest everyone do it b4 it leaks. Motor was rusted. Wire on motor corroded off, resoldered. Used staples and alligator clips to test battery & motor, both good 3.5 v battery & motor spins. When cutting seal to open easy to go too deep. There should be a lip on the top part that slides into main body. Easy to cut right through it when trying to open. Cut most of mine off but may not be able to be helped oy thickness of an exacto blade before to reach it. Flashing blue. SH site says flashing blue= charging. Like using battery to test motor if it turns, both are good. I used external 4.5 vdc to test motor & meter to test battery. But if it never reaches solid blue on charge, likely bad board. Verdict not worth taking it apart if broke as can't get boards and odds are between time to opened, better off buying a new one if out of warranty. Don't use soap with too thick viscosity water down slightly if needed. Too thin ejects too much, too thick will damage motor/control circuits. If you have others not yet broken only fill to bottom of fill tube and rtv around red gasket for insurance. It was fun and a challenge if I get it to work by some miracle, will spot seal with epoxy and clamps so easier to open next time. Don't seal completely around if you ever want to disassemble again to say, replace battery if everything else works. 😉

As a tip: you can take the motherboard out, to make easier.

Thanks for the video, the only thing is that you could easily skip from 4:20 to 17:18.