Two Brand New But Faulty Plasma Cutters - Can I Fix Them?

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Published 2024-07-20
A Viewer called Julian bought a faulty plasma cutter from eBay and it turned out to be faulty, the seller sent him another, which also had the same fault. He asked me if I could have a look at them and possibly repair one or both. Let's have a look and see if we can diagnose the problem and hopefully get them working for him!

I'm not an expert, but I do enjoy trying to fix things.

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Some of the tools and equipment that I use:

The Famous Blue Mat: amzn.to/47bPNGK
Infiray P2 Pro Thermal Camera: amzn.to/47c05Xm
170 piece electronics tool kit (security bits): amzn.to/3VnmHBh
SMD Tweezer set: amzn.to/3t9GlW4
Aixun T3A Soldering Station: amzn.to/3Xa8HMe
Soldering Flux: amzn.to/3UDC0py Alternative: amzn.to/4dVRdcN
Low Melt Solder: amzn.to/3QICZ5r : Cheaper Alternative amzn.to/3G4L3XK
Grinding pen: amzn.to/3QCHE7v
Component Tester: amzn.to/46UcHm6 alternative (slightly cheaper) amzn.to/49yZSzJ
Overhead Camera Mount I Use: amzn.to/3tX8Ar4
Microscope Light (I use on my Trinocular): amzn.to/3FEAPgy
AD409 Pro Microscope 10" Screen: amzn.to/3G0CI7P
Extra Long Torx Drivers(used on Milwaukee radio): amzn.to/40siUU3
DC Power Adapter plugs 38 PCS: amzn.to/49lCUMm
USB Power Meter Tester: amzn.to/3R6NX4g
SMD Component ruler 3x (for sizes of components): amzn.to/3TvfcWO

Rework station: I was using a 858D clone but now using an ATTEN ST-862D .

Other Equipment:
Main Overhead camera: Sony HDR-CX450 with 3rd party remote and RODE VideoMic Pro
Other cameras: Canon G7X, iPhone 6s, Go Pro Hero Silver 7 (which repaired)
Microscopes: Amscope trinocular (clone) with FHD 48MP Camera V8
& Adonstar AD409 Pro.

Editing Software: DaVinci Resolve

The above links are amazon affiliate links, and I may receive a small amount from Amazon at no extra cost to you, if you choose to purchase an item.


#electronics #electronicsrepair #repair
Plasmargon Plasma cutter repair
Plasmargon E04
Plasmargon E02
Plasmargon E01
Plasmargon E04 Error

All Comments (21)
  • @fireguy_81
    0:50 I like how the email says the fault code isn’t in the “destruction manual” and not the “instruction manual.” 😂
  • @bobbygeorge77
    You've got a good brain Mick. Great to see the process on investigation and repair. Keep at it!
  • What an excellent insight into the workings of a plasma. Miine works fine but watching you working, imparts so much knowledge to know nothings like me. Thank you.
  • You never cease to amaze me with your ability and skill to look at something from a different angle. Plus knowing that something doesn't always leave the factory correctly built in the first place. I also really like it when you use items that you have previously fixed in your vids. Hats off to you once again.
  • @paulvale2985
    Thinking outside the box to a genius level again. Great work Mick.
  • @BjornV78
    As a tip when dealing with Plasma cutters. The compressed air is not only for cutting the metal, but also for cooling the torch. During use, the arc gets up to 20000 to 30000 °C (36032 to 54032 °F). Using no air, or shutting down the cutter straight after use can cause the torch to melt.
  • @skysurferuk
    I picked up a Lidl plasma, when they were in stock. So far, very impressed, but the supplied nozzles are too big. Dropping to a 0.3mm nozzle makes it work so much better. Always wondered what was inside of these little machines. Many thanks for this excellent repair. 👍
  • @fredwooding599
    Not so great quality control, but you made is all good again. God job Mick. I just can't wait to get your bill for the intercom. It should be a "Doozy" lol
  • @robertmjr7996
    Exactly what I needed on a Saturday Afternoon. Well done .
  • Same codes as an Everlast 82i plasma cutter. This must be a clone of one. Edit I forgot to say excellent work !! I learn something new from every video of yours.
  • 32:06 - 37:11 - After installing the 10kR on the sensor side of that connector , the unit will still throw the E04 error if it is actually unplugged. You’re on the right track!
  • As always… Great video, showcasing expert diagnostic and repair skills and technique. If you’re looking to learn how to fix electronics, start here. Go to video #1, press play, and pay attention. Diagnosing faults and failures, especially in unfamiliar systems, is challenging. While there are curricula available, it ultimately comes down to consistently asking if/then statements and maintaining a methodical approach. Always ask yourself “Why/What/How?” when you identify an issue. For example, if a radio won’t turn on and you find a blown fuse, replacing it might fix the problem temporarily. But without asking why the fuse blew, you might miss a power wire shorting to the ground when in motion. The host of this channel does an excellent job explaining these concepts, making it easy to follow and learn. Thanks for sharing your experience and wisdom with us!
  • @smca7271
    Its a shame,they invest all that technology and effort and then fail on little details...ive had a cheap cut 40 for 15yrs and its still going,but initially it blew the main voltage reg to control boards, spark gap was incorrect, and blew the fets up,after replacing with more robust parts its been a great plasma cutter...the cost t to do it right first time would not have been much....shame they cheap out sometimes.
  • @thedankduck0218
    Great video, almost felt like a plot twist when you discovered the problem 👍
  • @radoczi94
    Nice repairs, Mick! I'm really getting hooked to this channel. Some of these chinese welders really are rubbish. I have worked at an importer and we were looking for a new manufacturer. The sample unit they sent us was fine, but the production units had serious QC problems. A few units even had rectified mains wires pinched under a screw. I'm sure you can imagine the sparks, sudden darkness and the slight discoloration of the underpants.
  • @terrym1065
    Recovering from Aortic Aneurysm surgery, very invasive. Saw video, well done.