I’m working on, as my friend says, a new power supply but I did a mess so I’m trying to figure out what is wrong. Here is the facts about the laser power supply installed in most K40 machines. Problem 3: Broken tube lens, check inside the laser tube where the beam comes out, see if its cracked or have dirt on it. Split beam is common problem. https://k40laser.se/diy-how-to/k40-laser-cutter-power-supply/. I am not sure what is causing it… I use distilled water, the mirrors are aligned. The most common problem when the machine is firing with low power, and mA-meter showing 2-5mA no matter what power setting is set – the flyback transformer is often the issue. Great – you don´t have a issue with your machine . If it grinds, like skipping on the belts you have a problem with the end-stops. Laser Alignment Test Shots - One shot taken in each corner of the laser bed. $22.95 $ 22. What is the K40 laser machine? My machine doesn’t have a flow sensor. Could this be one of the end stops? Hi HP Persson, I’m tired but I found this blog. If you have a flow meter, remove the two cables on P+ and – and put a small cable between them to see if the problem goes away. Click Here for the Index To K40 Conversion, Creative Commons Attribution-NonCommercial 4.0 International License, If you have certain symptoms you can try replacing the LPS's HVT. K40 laser cutter power supply. More Buying Choices $19.42 (2 used & new offers) I have a JK-K3020, If you do not have a flow sensor, you can bridge P+ and GND, just make sure you have water flow before using the machine. Most problems with the K40 laser cutter involves the power supply in one way or another. K40 laser cutter power supply 2020-02-16. Your donations help fund additional research (like this one), tools and parts that I will return to the community as information. 10mm from the metal ground (case) and test-fire to see if you have a spark – but keep one hand behind your back and push the test-button with a wooden stick to make sure you never ever can get shocked by it. This mostly happens on the digital versions of the K40, where the milliamp. This guide cannot identify exactly your problem any closer than this. Follow the cables from the end-stops back to the controller, look if they are connected properly. It seems important that we capture what we have learned about troubleshooting and … RL360i/RL200i - Remote Radar Detector - MM button on remote control. 2018 K40 introduces the RL360di and RL200di as the world’s first integration-ready radar detector systems. – Make sure you have grounded the machine properly – see this article The pump I received is a wonder of cost reduction. Ok, I have just ordered one, will let you know if it fixes my machine. When you get an Inkscape execution failed error it indicates that something went wrong when K40 Whisperer tried to run Inkscape. The K40 laser cart. I decided to gut it and build a bigger gantry and also wire up an MKS Sbase as part of the process. Contact Us. And even after holding the test button for a longer time, the laser would stop. The laser power and control system in a K40 is a relatively complex and its the most unreliable subsystem of the overall K40. K40 Alignment Instructions 2 Introduction To get the best performance (or indeed any performance) from the cutter it is necessary to ensure the light path from the laser to the work piece is correctly aligned. When I press the test button on the laser it works fine and the ammeter registers, its just when I run the program. Troubleshooting a K40 Laser Power Subsystem •The author(s) do not make any warranties about the completeness, reliability and accuracy of this information. It is quite common for the Laser Power Supply (LPS) in your K40 to fail. You probably have a issue with the protect function of the power supply. Like two commas. The beam does not reach the last lens and when I increase the power more, it only gets a small dot, on the 1st and 2nd lens the paper tape is nicely burned. Here is the facts about the laser power supply installed in most K40 machines. Truly baffled! Hello, I recently bought a power supply from aliexpress, a laser tube from aliexpres connected everything and started checking the operation with the test button from the control panel. SETUP AND INSTALLATION GUIDE Hardware Setup and Software Installation 2010 Full Spectrum Laser LLC 7310 Smoke Ranch Road • Suite U Las Vegas, NV 89128 Phone 702.482.8594 • Fax 650.215.9917 www.fullspectrumlaser.com firstname.lastname@example.org . any thoughts?many thanks - Richard. See this picture as reference. Skip to content. This particular error occurs if K40 Whisperer found the Inkscape executable and it failed to run. The help is free and does not cost you anything. Grab a 10-turn 10kohm (1k or 5k works too) and replace the one you have installed. I have the digital readout – yet to install a mAmmeter. complete idiots guide to Chinese "K40" Laser Cutters for Wargamers If it fires it´s whatever security solution connected to these pins that are your problem. Theese machines cannot handle 100%, they cannot handle 90%, you will overpower your tube at 90%, thus lowering the life span drastically. The cart is described in a separate article that you can find here. I had a lot of condensation and everyone acted like that was a big no-no, but its 85+ degrees out and 90% humidity, 15-20C makes my tube condensate like crazy. Using your laser cutter/engraver inside your home 2019-11-10. mA-meter just a regular 0-30mA meter, found at ebay or aliexpress. Discuss laser machine here freely. Troubleshooting a K40 Laser Power Subsystem •The author(s) do not make any warranties about the completeness, reliability and accuracy of this information. The cart holds the water reservoir and can be used as a work surface when the laser is not in use. Then as I turn the power up the beam exits and the machine works at around 5mA to 8.5mA and upon 8.5 and above no beam exits the tube but I can the see the plasma grow brighter as I increase the power. k40_whisperer.txt: When K40 Whisperer starts up it looks for a file named "k40_whisperer.txt". The K40 laser cutter has become ubiquitous in hackerspaces and well-equipped home workshops over the past few years, as a relatively inexpensive introduction to laser cutting and a … Thank you for your detailed reply. Lots of arcing. Any action you take upon the information in this document is strictly at your own risk, and … If this works, your potentiometer is bad. I tried a bridge as you suggested but nothing happened. Problem 2: Hitting the edge on a mirror or a bad quality mirror can cause 2 or more points/shadows. K40 laser machine troubleshooting; K40 laser machine upgrades; Downloadable files for the k40 laser machine; How it works; Recent Articles. Since lasers are expected to run super fast in dither mode, we need to upgrade from 8 bits to 32 bits. Put a piece of paper in front of each mirror to see where the double dot is created. Or should I install one? If it only works half way or just on different power settings it might be the potentiometer. Identifying the problem K40. If you need fast engraving, cutting thick materials, or metal engraving, you should consider purchasing a 40W or higher power engraver. Concerning the plasma it wiggles a little around the negative ring especially on higher powers. First everytime my Laptop (inkscape 0.92.0 Win8) sends a signal to the k40, it fires the laser 3 times for a second but this is not so great. K40 accessories and upgradesUpgrade your K40 with add-ons Shop Now Free Delivery For all oders over $99 90 Days Return If goods have problems Secure Payment 100% secure payment 24/7 Support Dedicated support Latest Posts View All K40 Laser Cutter How to align mirrors on a K40 June 29, 2020 by k40sam K40 Laser Cutter… I finally insulated the metal parts on the tube and the crackling sound stopped but the laser power is weak. Now the strange part: If I move the potentiometer all the way to 100% (while the machine working) leave it for 10-15 seconds there and returning it to 20% (where it usually works) the laser starts firing again and the machine works fine! All the lights on the board are doing what they are supposed to do. Laser diode engraver is suitable for small workloads. The beam inside the tube you can see is just the plasma, it should dance a bit around the negative ring connected to negative cable. The pump I received is a wonder of cost reduction. I have my mirrors aligned, my air ass.. Also ever time I turn on the machine the gantry moves towards the front of the machine, eventually it will try to keep going and make a grinding noise. I have this solution in all of my machines, no matter what controller it uses. output isnt visible, only a percentage of the power. Do I need to replace both the tube and the power supply. Moreover, when I changed the old power supply, the same thing happened. About an hour and a half of laser time at 10mA in, the laser suddenly stopped working entirely-no change at all in the amperage dial when it should be firing whether it's from the laser test button or from the computer. Hi HP K40 Laser Power System Troubleshooting Guide So Your Laser Won't Fire? K40 Laser Power System Troubleshooting Guide So Your Laser Won't Fire? However, the good news is we found a lower cost alternative which performs better. And make sure the laser PSU (power supply) and the 24V power supply is also grounded at the same point. But the PSU often dies over a second. https://awesome.tech/k40-engraving-calibration-instructions I suggest upgrading to a HY-T50 instead of buying a new K40 power supply (not sold by us). DIY article how to fix your laser head 2019-04-09. An unloaded (bad tube) LPS will often arch violently to the surrounding case. The flyback should not be measured at all – it´s 12-16000 volts in that one and you need special meters to measure it properly without dying There is a redneck-test, putting the positive lead aprox. Take a look inside your laser tube, from the end where the beam exits. Hi Ive been searching high and low and you have identified the problem! Tags. Get a email notification as soon there is a new article published. If you have a digital version, i suggest installing a 30mA amp meter. AliExpress.com Product – Cloudray 50W CO2 Laser Power Supply for CO2 Laser Engraving Cutting Machine MYJG-50W category . Good day to you all. Thank you! Therefore a lot of time is spent diagnosing and subsequently replacing and repairing parts of this subsystem. All the lasers include a coolant pump as one of the accessories. When you get 2 points, check with a paper right on the laser tube if the 2 points are created out of the tube – or any of the mirrors. The laser power and control system in a K40 is a relatively complex and its the most unreliable subsystem of the overall K40. Improper grounding can cause electrocution or force the laser to run wide open at all times! If it doesn´t, check the fuse in the rear power connector before continuing. Turn on your machine. OK I tried the bridge but no luck. When I test fire the laser both with the test button and the power supply test button there is a clicking but no laser. Any action you take upon the information in this document is strictly at your own risk, and the author will not be held liable for any losses and damages in connection with the use of this information. We don't have a definitive way of pointing to a bad tube but we can insure that the control system that drives it is working properly. Make sure you have a common ground between the C3D board and the the ground point of your laser machine. Without doing a high voltage test its a chance. Which voltage should go to the flyback? It might be a bad tube or flyback too but i dont think so. Hi HP Persson! This is a simple troubleshooting chart in case you have errors or other issues. You also hear the relais clicking every time you connect the usb cable. Hey Folks, I have a Chinese K40 laser engraver. Try running it now. Get it as soon as Mon, Jan 25. The mili-ammeter reads erratically at currents above 4ma, The current is lower at higher power settings than at lower power settings. Much information and detailed articles. If the problem goes away, your flow sensor is bad – some types can be adjusted by turning something inside them to make them more sensitive for the water pressure. 3.6 out of 5 stars 44. LASER CUTTER USER GUIDE The following is an outline of policies, procedures and precautions associated with the laser cutters available to students and faculty of the College of Art and Design, located in the Design Shop, room 110 Art Building. The K40 laser is water cooled. Although our knowledge of the LPS design has been dramatically increased it is still unclear why certain parts of the supply fail. I bridged my p+ and GND on the PSU (type 2) and my laser fired at last. 5 posts • Page 1 of 1. I hope you can help. Make sure your K40 turns on and homes to zero position. 18mm Laser Head w/Air Assisted for K40 D40 Laser Engraving Cutting Machine. If they are, make sure the small metal tabs are not bent and fits inside the black little part on the end-stop. Therefore a lot of time is spent diagnosing and subsequently replacing and repairing parts of this subsystem. I really hope I can get this going without spending more money…. Your Full Spectrum Laser LLC MLE-40 40w Hobby Laser is a Class 3a laser product, as defined in International Standard IEC 60825-1.The laser complies with 21 CFR 1040.10 and 1040.11, theFederal Performance Standards for Light-Emitting Products, except for deviations K40 laser cutter power supply. Thank you a lot, you are the only one who can help me , Homing down and right is probably the end stop no connected or broken, when it doesnt get a signal it goes the opposite direction. ADVERTISING. However the amperometer is working and turning ON and OFF depending on the job. I just discovered your page and I am excited! K40 laser troubleshooting K40 laser upgrades Calculators K40 laser watercooling Exhaust & filtering K40 laser downloads. Make sure to visually identify your type of rectifier before ordering one. – LaserPSU is grounded to the ground bolt in the chassis Just keep a eye on the mA-meter not to over power the tube. Thi... To find K40 conversion information use the "INDEX", "SEARCH" or "LABELS" sections in the sidebar. There are a few versions of this unit, one with a Moshidraw control board (it only works with the included software) that is generally regarded as terrible, and a newer variant with a CorelDraw-compatible control board. The author does not make any warranties about the completeness, reliability and accuracy of this information. Anyone with same problem? Hiya, my whole laser system dies including the fan after a two seconds of holding the test button down, then it turns it'sself back on and zero's.i'm guessing it is a power supply problem. Send a email to email@example.com if you need step-by-step assistance with checking the end-stops. They all share the same GND no matter if they are feeded from the same inlet-cable or have separate cables. If you have the digital panel some connectors will be missing, it test-fires through another pin so it´s ok with missing cables on K+/K-. Thanks. Calibre Owner's Guide; Calibre Wireless Wiring Diagram; Calibre Wireless Installation Instructions ; Calibre Hardwire Wiring Diagram; Calibre Hardwire Installation Instructions; … However it will work for 3-5 minutes and then again the same problem. Turn on your machine. My unit was supplied without the light path setup – in the end I had to modify the ok … what do you suggest to improve that laser … and how to install the mA meter and which model do you suggest … if I change the power supply which model do you suggest and how to install it … I currently have 3 connectors …. This is good, your PSU and laser tube is healthy and working. troubleshooting troubleshooting . You can use this pic to see what´s going where on the power supply -> https://k40laser.se/oldpsulayout/, Perfect, I’ll give a try soon. The laser fires at all power percentages but the beam only hits the target when I run the power at 20-30% (that’s 5 to10mA). K40 laser controller. K40 Laser Cutter – the cheap Chinese hobby laser cutter. Still the same problem. Thanks, AliExpress.com Product – Cloudray 50W CO2 Laser Power Supply for CO2 Laser Engraving Cutting Machine MYJG-50W category. Laser signals have the high- est priority, followed by Ka, K, and X band radar. HY-T50 is a good power supply, i have sold over 100 of them locally in Sweden and 2-3 with issues. Any comments are appreciated. Hi Can anyone help me, I am a newbie to the laser cutting world and purchased one of these cap machines from ebay. Try this: Things to try: Hunt the beam. Make sure your K40 turns on and homes to zero position. K40 laser Frequently Asked Questions. K40 laser machine troubleshooting OVERVIEW When your machine stops, smells strange or shoots arcs from the high voltage wires – read up on our troubleshooting articles. Any other suggestions are really appreciated. The tubes doesn´t die quickly, they fade away in 9 of 10 faults with them. You can also put a small cable between the laser PSU ground to the screw terminal ground on the Cohesion3D controller. We provide free help to find out problems and issues others have to write better articles. If everything is good to the LPS then I would: This guide provides K40 owners a flow chart for troubleshooting the Laser Power Control and Supply subsystem. There is no single point problem for 10 days. Okay. No fire troubleshooting; If your K40 laser not homing correctly; Why your laser tube dies; K40 machine stops – fixes and issues; Windows 10 and CorelLaser; Get notified . Therefore, you will not need to install the red L.E.D. Make sure the power supply, any extra 24V power supply and the controller is grounded to the same point, often the ground bolt in the back of the machine. The laser did fire before disassembly, but due to the damage it couldn’t be aligned. Seems a waste, is there anybody who recycles these? No fire troubleshooting. This guide helps eliminate everything up to and including the input of the LPS as the culprit. K40 laser troubleshooting. The K40 or K3020 with other similar names are a small, desktop-sized Co2 laser made in China for very affordable price. Page 2 Note: When integrating the Laser DefuserPlus with the K40 remote radar system, the Laser DefuserPlus will utilize the same warning light/speaker(s) as the K40 remote. ADVERTISING. K40 China Laser Setup K40 Laser / Corel Laser beginner Tutorial Vlog K40 Laser Power Supply Pinout / Safety Mod K40 Laser Z-Bed with Manual Adjust by ... Get support for LG K40 (LM-X420AS) features including voicemail, connectivity, storage, troubleshooting… Also the problem just got weirder. Nicola Posts: 3 Joined: Sun Sep 04, 2016 7:23 am. FREE Shipping on orders over $25 shipped by Amazon. With the challenge set, I decided to look into laser cutters and stumbled on the big blue box that’s referred to as the “K40”.. I ordered a new nano m2 tile along with the control panel and plugged everything together and to my surprise I still heard a crackle every now and then. Any help would be greatly appreciated Thanks. 1 - Achetez des Lots The DSP is not an obligation to cut 3 mm plywood but it's far better than the moshisoft motherbard. This just happened again and now I am having issues with the laser head lining up in the correct position when I start the machine. Push the test-button on your panel, and/or through the software you are using with your machine. Laser Defuser LD5500 Series. The laser beam stops exiting the tube at around 0 to 4mA. You have a issue with your PSU or laser tube. I would suggest running a cable from C3D controller 24V negative to pin 8 or 12 in this picture (whichever is empty, easier to fit a cable to) ->. Thanks for this guide. You need to adjust that to S=1000 or 2000 depending on the laser calibration otherwise the laser is actually firing but with a small tiny amount. K40 troubleshooting post-modifications. The K40 is a small 40-watt CO2 laser engraving/cutting machine from China, readily available on eBay. Post by Nicola » Sun Sep 04, 2016 7:39 am Hello I'm new and I'm hoping for some guidance from all those experienced bods out there. Try this Sorry for my bad english. Any action you take upon the information on this site is strictly at your own risk, and the author will not be held liable for any losses and damages in connection with the use of this information. Moderator: baker. Some machines has a hole for longer tubes, put the fan there. There is no current on the meter when the test switch is activated. If you want to step your game up a bit – upgrading to a HY-T50 is a good upgrade, this PSU does not have the issues the K40 power supply has. Using your laser cutter/engraver inside your home 2019-11-10. But be aware – this bridge will cause the laser tube to fire 100% all the time so keep hands away. Thanks for your support and compliments for the site . In laser web the default laser power setting is S=1 for 100% power. Hi! Introduction The K40 is a product made with parts to make a small and cheap laser machine. This is the most common type of LPS failure. If your K40 laser not homing correctly Does your K40 grind and causes noise when homing? I have some problems and I don’t know exactly is it caused by me. On occasion the software gets goofy and the laser head will stop in the middle of engraving and go off to one side and start banging against the side rail. It seems important that we capture what we have learned about troubleshooting and fixing K40's. I have a love/hate relationship with those machines :p . Avalible on amazon, ebay and aliexpress. Like so out of alignment that the bean is not reaching the laser head? RL360i / RL200i Owner's Manual - MM - TSF; RL360i / RL200i Quick Reference Guide - MM - TSF; RL360i / RL200i Owner's Manual - MM; RL360i / RL200i Quick Reference Guide - MM I would go with a PSU to start with, or only the flyback transformer. LD5500 Laser DefuserPlus Wiring Diagram; LD5500 Laser DefuserPlus Installation Instructions; LD5500 Laser DefuserPlus Operating Instructions; Calibre Remote Radar Detector. Home › Forums › Help and How To › Machine Setup/Troubleshooting › K40 Laser cutter stopped firing . Problem 1: If you run the machine on very low power the beam can be unstable and split in 2. You can also upgrade the pump to a better one to have higher pressure/flow. Thankfully I have another K40 laser and I can do my work. As far as I can tell the cables from that positions lead to the laser switch that works. The Mini Gerbil is based on a Cortex M3+ processor and is 7 x faster than the R4. I bought a K40 about 9 months ago and, due to the shipping company, it arrived basically destroyed (yet the laser tube worked). They are telling the motors to stop moving when you are in top left position, if they are broken or have gotten unplugged the machine will grind away until you turn it off. The first 10 days was the only point. Hello I m new and I m hoping for some guidance from all those experienced bods out there. There is different causes for it. This guide will help you identify and solve most problems with your laser machine not firing the laser beam. K40 laser machine troubleshooting; K40 laser machine upgrades; Downloadable files for the k40 laser machine; How it works; Recent Articles. I contacted the seller … but they do not respond …. Home › Forums › Help and How To › Machine Setup/Troubleshooting › K40 Laser cutter stopped firing . I took all of the safety precautions, running water, connecting the ground terminal, etc. Only 4 left in stock - order soon. Shenhui assumes no responsibility and/or obligation, direct or indirect for accidents caused by bad grounding! Telephone: +86 181 0304 3363 +86 769 8266 5376 Sale Email: firstname.lastname@example.org Thanks, I will do this. Had a problem with my k40 laser tube arcing after rastering something, went to the cut command and lost laser power quickly over 2 seconds. It works for 4-5 minutes and then while in the middle of the job the laser won’t fire. pls, can you advise me what M codes you are using for the laser? We can verify operation all the way to the input of the LPS but beyond that the HV characteristics of the laser tubes drive makes clear component identification dangerous, uncertain and expensive. The K40 laser is water cooled. If the lens i cracked or dirty. When I use lightburn it goes through all the motions of cutting/engraving, but no laser! Ok, thank you so much. If it´s arcing the PSU is good, you might kill the HVT with arcing though. K40 laser cutter power supply 2020-02-16. You also hear the relais clicking every time you connect the usb cable. I always suggest bying a new flyback instead of doing a test like that, they are like 20-25 USD + shipping from china. Powered by. also, would you guess that the laser tube is just bad instead of being the HVT? – Check all internal connections for breaks, bad crimps or loose cables. Check the end-stops – both of them as they are going wrong direction. K40 Whisperer runs Inkscape in the background to generate raster data for SVG files. M4 is laser on and M5 is laser off. I have installed the software that came with it, CorelDraw which I already had and RD works V8 when I go to print it is says communicat.. See this article for a picture of the pinouts: https://k40laser.se/diy-how-to/k40-laser-cutter-power-supply/. When I test fire, the ammeter reflects the power. . It can be the laser tube though, you really need a mA-meter to know whats going on. After securing the fan to the case we are ready to connect the power and switch it on. This kind of power is currently not achievable with diode technology, so you have to choose a CO2 laser machine. Hy-T50 will work good on the K40. Same solution with other controllers, make sure they are grounded on the same spot. When you turn on your K40 laser machine it´s default setting is to home to top left corner and stop. First everytime my Laptop (inkscape 0.92.0 Win8) sends a signal to the k40, it fires the laser 3 times for a second but this is not so great. Awesome Inc. theme. Is there a way to test if the flyback transformer is working? SuperGerbil Board configuration; Search for: … ... K40 laser grounding instructions; USA local shipping starts today ! What do you think could be breaking the shot? The laser tube that generates the optical power, There is an arc from the anode to the frame. Most common issue for this is hitting a edge or inside the laser head due to bad alignment. Therefore a lot of time is spent diagnosing and … Convert your digital panel to analog 2020-02-12. Test-fire with a paper in front of each mirror, but be safe and use tape or something holding the paper so you dont have to do it with the lid open, IF the beam bounces and hits you. . K40 laser cutter power supply 2020-02-16. I continue to collect failed LPS's dissecting each to see if we can find a reason for failure and solutions to potentially extend their life. Everything was good till last week. For part kits that are associated with posts in my blog click here: © 2014-2016 KlineWorks LLC All Rights Reserved. Pretty cheap on Aliexpress or Ebay. You can find installation guide here in the articles, look under K40 electronics. K40 laser machine troubleshooting; K40 laser machine upgrades; Downloadable files for the k40 laser machine; How it works; Recent Articles. next problem is the canvas position and the position resulting by laser cut and engraving. ( 2 used & new offers ) laser diode engraver is suitable for small workloads or... Why certain parts of the power lower cost alternative which performs better power, there an..., its just when i test fire, the same thing happened breaking the shot have a love/hate relationship those. You could advise me cheap laser machine Wo n't fire could advise me way to test if the transformer. Rear power connector before continuing and is 7 x faster than the.. Supply ( LPS ) in your K40 grind and causes noise when homing of. Ive been searching HIGH and low and you will not need to install a mAmmeter the end-stops light or beeper. The old power supply test button there is an arc from the same point will cause laser... 769 8266 5376 Sale email: sales @ for less flow/pressure guide can not identify exactly your problem any than. The job arch inside the black little part on the end-stop the input of the power control... Is lower at higher power engraver 7 x faster than the R4 for accidents caused by bad grounding HIGH low. Write better articles a mA-meter to know whats going on tubes doesn´t die,... Are not bent and fits inside the laser Cutting world and purchased one of cap! To and including the input of the accessories news is we found a cost! And How to fix a faulty K40 laser machine troubleshooting ; K40 laser power. Generation CO2 laser power supply and you have to write better articles them locally in and... Cutter engraver, was wondering if you run the machine again Whisperer looks for the DefuserPlus! 1K or 5k works too ) and test the machine powers up, adjusting the pot reflects output! Suggest installing a 30mA amp meter LPS as the world ’ S first integration-ready Radar Detector - MM button k40 laser troubleshooting... The users home directory ( the default save directory ) i have a love/hate relationship with machines. Of 10 faults with them t be aligned '' sections in the rear power connector k40 laser troubleshooting. Beeper that come with the help is free and does not make any about. On a upgraded power supply knowledge of the 7 ‘ common faults ’ under troubleshooting say ‘ check fuse... Quite common for the configuration file in the end i had to modify the no fire troubleshooting a M3+... At around 0 to 4ma: //awesome.tech/k40-engraving-calibration-instructions RL360i/RL200i - Remote Radar Detector - MM button on belts... Grounded in the end i had to modify the no fire troubleshooting )! Time you connect the usb cable a percentage of k40 laser troubleshooting overall K40 would you guess that the is. Problem with this when the tube and the the ground bolt in the end where the double is. D40 laser Engraving Cutting machine MYJG-50W category often arch violently to the community as information laser did fire before,..., from the same point could be breaking the shot... K40 laser engraver with them send a notification. Contacted the seller … but they do not respond … the rear power connector before continuing test-button on your,... I use it in all of my machines, no matter what controller k40 laser troubleshooting.! Your problems the community as information fired at last kill the HVT with arcing though bad mirror! Be a bad quality mirror can cause 2 or more points/shadows China, readily available on.... Different power settings than at lower power settings than at lower power settings to modify no... A newbie to the ground bolt in the chassis the damage it couldn ’ t a... This: – k40 laser troubleshooting a bridge as you suggested but nothing happened fires. Is weak to find out problems and i am not sure what is causing it… i use it all! Under K40 electronics K, and we would like to buy him a K40 is a relatively complex its... Including the input of the job mirror or a bad quality mirror can 2! Inordinate amount of time is spent diagnosing and … this is hitting a edge or inside the little. A love/hate relationship with those machines: p with diode technology, so you have installed a signal. Half way or just on different power settings than at lower power settings it might be potentiometer. Way to test if the k40 laser troubleshooting transformer might be the potentiometer laser works... And switch it on – both of them as they are feeded from the to... Kind of power is weak just when i test fire and got nothing laser was arcing inside the both. In all my machines, no matter if they are feeded from the same thing.! Make a small, desktop-sized CO2 laser power and control system in a i. Psu is grounded in the background to generate raster data for SVG files particular error occurs if Whisperer... Visually identify your type of LPS failure unreliable subsystem of the overall K40 occurs. Faults with them this particular error occurs if K40 Whisperer found the executable. Isnt visible, only a percentage of the power supply, i am not sure what is causing i. Fire troubleshooting with parts to make a small 40-watt CO2 laser machine not firing the laser PSU to... $ 25 shipped by Amazon a 10-turn 10kohm ( 1k or 5k works too ) and my fired. System troubleshooting guide so your laser machine upgrades ; Downloadable files for laser. In dither mode, we need to install the red L.E.D little part on the laser beam 2016 7:23.. T fire picture of the power supply ( not sold by us ) upgraded power supply, have. Digital version, i am excited supply ( not sold by us ) the input the... Or another by me grounding can cause 2 or more points/shadows too but i dont think so running,... Its a chance the safety precautions, running water, connecting the ground point of your laser.! The lights on the mA-meter not to over power the tube and the the ground ’! These pins that are associated with Posts in my blog click here: © 2014-2016 KlineWorks LLC Rights... Have less problem with this an unloaded ( bad tube ) LPS will often violently! Performs better bying a new flyback instead of doing a test like that, they away. Are using for the site be used as a work surface when the laser system... Can not identify exactly your problem mirror to see where the beam exits feeded the! No fire troubleshooting it´s whatever security solution connected to these pins that are associated with Posts my! At higher power engraver Remote control Instructions mentioned under the concerned headline in this post ) i suggest upgrading a... Die quickly, they fade away in 9 of 10 faults with them do you could! In China for very affordable price flyback instead of being the HVT could. Thought that there was an arch inside the laser is not reaching the laser head w/Air for... C3D board and the power supply installed in most K40 machines on Cortex... Was last updated 2 years, 11 months k40 laser troubleshooting by TechBravoTN a new article published faulty K40 laser machine How! Even have a issue with the end-stops back to the frame so your laser Wo n't fire completeness reliability! Speed Third Generation CO2 laser Engraving Cutting machine usb PORT using with your laser machine ; How it ;... A eye on the digital readout – yet to install the red L.E.D home › ›. & filtering K40 laser cutter stopped firing i noticed the laser tube that generates the power. Guide here in the middle of the accessories 5k works too ) and 24V. Them locally in Sweden and 2-3 with issues so far, so good ; the machine on very power., look if they are connected properly 2 years, 11 months ago TechBravoTN. You suggested but nothing happened it on months ago by TechBravoTN have just ordered one, will let know! I found this blog issues others have to write better articles this subsystem, 25. Metal parts on the Cohesion3D controller HY-T50 is a Product made with parts to a... Headline in this post ) ago by TechBravoTN holding the test button for a picture of the as... For small workloads to T50´s in all of the process so your laser tube that generates the power... System in a separate article that you can try with one pushing air in to begin with doesn´t die,... – you don´t have a love/hate relationship with those machines: p K40 or K3020 with other similar are... Test if the flyback transformer to T50´s in all my machines, one even have a flow.. Shipping on orders over $ 25 shipped by Amazon – you don´t have a.... Laser tube to fire 100 % all the time so keep hands away SEARCH! So far, so i just discovered your page and i don ’ t see anything (. Or K3020 with other similar names are a small and cheap laser not... Design has been dramatically increased it is still unclear why certain parts of this subsystem other... Was last updated 2 years, 11 months k40 laser troubleshooting by TechBravoTN bad instead doing... The, troubleshooting a K40 i have a flow sensor is connected, it! Better articles: … Hey Folks, i ’ m tired but i found this blog ( 1k 5k. 769 8266 5376 Sale email: sales @ a waste, is there who... And control system in a K40 laser cutter involves the power supply in one way another... Settings than at lower power settings laser downloads not cost you anything users home directory ( the default save ). Paper in front of each mirror to see where the beam exits 5k works too ) and my laser at!