KARCHER SC3 STEAM CLEANER REPAIR 

Thank you for explaining how this things work, really appreciate you informative videos

Thanks, this saved me hours of work. I had the exact same problem. looks like a manufacturing bug. just tightened this loose connector and it's as good as new.

Thanks for video. In my case there was no steam production because of clogged descaling cartridge. Water is flowing out from the tank only through the cartridge. Device was hot with buzzing noise. Now I know it was coming out from solenoid pump without water. I am going to replace the descaling cartridge. There is mechanical valve in the tank. Inserting cartridge will open the valve. Without the cartridge tank is closed, so no water is going to the solenoid pump. With removed cartridge you can manual open the valve and test steam production by pressing the pin in middle of the hole using screwdriver or pen. Also there is floating ?magnetic? water level indicator in the bottom of the tank. One of the blue component on the circuit board under the tank should be related sensor.

Thanks a lot. I fixed the steam cleaner by hitting it near the location with the loose contacts and it started working! Note: I have it for 3 years and used it less than 20 times. The issue occurred while it was in storage.

Wow Dave, great job!!!! Very happy you found the issue and fixed it :-)

I have just been watching some of your crazy videos. I thought I was the only one when bored. I have recently created a playlist of my crazy stuff from making vaping fluid to smoky joe etc. Cheers from an ex TV man in the UK. 👍👫🇬🇧

Your vid helped me with a pressure switch problem, thank you 👊🏽

Thanks a lot. I was just about to throw mine away, when I decided to check the YT, and... voila :). I disconnected the connector you showed, adjusted the pins with a screwdriver and to my astonishment it is working again :). Mine broke while in storage.

Thanks so much for your video! We just bought a similar unit at the Habitat Restore, brand new. We could not figure out why someone would donate a brand new unit until, guess what, no steam!! We are going through diagnostics now, and your video helps quite a bit!!

Good find Dave! I love tearing odd things apart to see how they work and to hopefully repair them.

I've had 2 Karcher pressure washers fail and a steam cleaner. I've come to the conclusion that their stuff is junk trading on what was a good reputation.

good tip,,nnice to see you work on all things,,as i do

Have you or anyone else noted a arc flash from the "O", off button, when shutting the unit off as the pump is running? The arc is bright enough to be visible through the housing.

Thank you very much for this video. 5min fixing time :) I was sure that my SC3 is a rubish. :)

Good troubleshooting.

Thank you! I had the same problem and you got it right!

Hi Dave ,I'm thinking that part is more likely to be a solenoid pump .Good informative video as always

Karcher says it all about the company apart from arrogance. Well done 👌

I need to replace the tube as it tore from the outside and is leaking. I opened my cleaner but the tubes are very firmly locked by these 'clamps' that you see. Anyone know the name of them? And where to buy or can they be reused and opened somehow?

How do you take the top of the steamer to get to the inside

Thank you very much for your video. I have the same probleem Kaerchër brand new from Germany made in China no steam and very bad costumer service hier in Holland.

I had the problem no steam motor would kick in ,I checked the float which was fine ,I put a long metal thin screwdriver in the hole where the filter cartridge goes and checked that ,emptied water out and left the unit upside down for a while filled wtank up put cartridge back in turned on immediately heard gurgling noise pump kicked in and 30secs steamer produced steam unit back up and running ,I don't know if it was clogged or turning it upside down did the trick

Any way same the way I get problem in my karcher cs3 I fixed my self I see the under battel water border I took off and I cheak it there is little problem its even dosent working the light

Hi. My unit works but the descaler light will not go off. Rarely used. I have descaled it but still the same 🤷‍♂️ Float switch was stuck but now ok. Any ideas🤔 Possibly the sensor if all is working. Just need to trace it out 👍

Hi there, I just brought one of these and was having the same issue, I then went back to exchange it and the new one done the same! So coming across your video I done the same thing, pulled the electrical board out and fiddled with the plug and it worked, but I find the steam is very weak and intermittent, any ideas?

Hi. Mine has no steam but gets very hot same as the video. I took it apart and the water tube feeding into the solenoid pump is brown, as if charred and there is definitely some sort of electrical activity in there as when I turn it on it makes sparking noises and rattling in the pump plus water does not travel from the tank down the tube. Any ideas? Where would I order a new solenoid pump? Thank you!

It got mine going too but it was saved from the trash and was used 😮

my sc5 res tank never moves and 10 min after use i the solid red light comes on and the boiler tank is empty but the res tank is still full

great video but how did you get the case off, I have removed 4 screws from the base but can only prise it off at the pipe end and no further

I have a question. I have a switching bench top power supply. 30v 10a and it worked fine then one day just started to flash a small red led on 5he power board. I've checked a few components but I'm so new to electronics. I want to fix it myself rather than take it to someone as I need to learn. Where could I start.

hi bro I have a CS2, this model has two lights one green another orange/red ... at the time that I connect the plug to the electric source only the green light is turning on. I have been using the machine for an hour and now the device is broken

My Karcher SG 4/4 has spent more time in the repair shop than I have spent time using it. One thing after another

Hi Dave - mine heats up and releases a good blast of steam, but then it slows to a trickle. If i release the trigger the pressure kind of builds up again, then the same: blast to trickle. I just bought and replaced the solenoid but it made no differnce. Any idea what it could be?

thanks, you help me, thanks

Nice catch. But if it's new, why not return it ?

Do you happen to have a diagram of the power part of this device?

Seek and ye shall find.

Hi Dave. I borrowed this machine from a friend and used water with kitchen acid. I didn't know that it wasn't allowed. Now it doen't steam anymore. Would you know what the problem may be. I opend the Kärcher, but now i dont know what to do.

I know this getting old post now anyone here have this board out I'm in need of help desperately I can't get the board here at all in Australia I can't find any pics or find PCB diagram and one of the 4 legged MOSFET near that 3 pin power connector has died on my board can some one please tell me the numbers on this MOSFET please, Karcher won't tell me, only thing stopping my unit from working All I need is those numbers on-top of that chip has 4 legs on other side of the board near the removable 3 pin cable Thank you everyone thanks

Piece of crap, mine broke down after exactly 5 uses!!! Amazing that it's made in Germany. Same issue user below, barely any steam after the initial blow. Mine is in the warranty period but who wants to wait 14 days for a repair + shipping cost???

If it's made of chinesium, there is no quality control. Lol.

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