Thank you for your detailed reply. 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. If you need fast engraving, cutting thick materials, or metal engraving, you should consider purchasing a 40W or higher power engraver. Converting and Improving a K40 I have invested an inordinate amount of time converting my K40 to a better cutting and engraving tool. Hi Ive been searching high and low and you have identified the problem! Thanks, AliExpress.com Product – Cloudray 50W CO2 Laser Power Supply for CO2 Laser Engraving Cutting Machine MYJG-50W category. After investigation, I noticed the laser was arcing inside the case. – Make sure you have grounded the machine properly – see this article If you you a small 24V “brick type” PSU for the controller, take a cable and put between C3D ground pin (Negative -) and Laser PSU GND pin (Negative -) (any of them) or directly to the ground bolt in the rear of the machine. Was wondering if you could advise me. 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. M4 is laser on and M5 is laser off. All the lights on the board are doing what they are supposed to do. Hello I m new and I m hoping for some guidance from all those experienced bods out there. This topic has 5 replies, 2 voices, and was last updated 2 years, 11 months ago by TechBravoTN. 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) ->. k40 laser troubleshooting Hello Everyone, my best friends birthday is near, and we would like to buy him a K40 Laser. I always suggest bying a new flyback instead of doing a test like that, they are like 20-25 USD + shipping from china. Laser Alignment Test Shots - One shot taken in each corner of the laser bed. Take a look inside your laser tube, from the end where the beam exits. Avalible on amazon, ebay and aliexpress. Now – i dont have a flow controller anywhere on the machine that I can find, so how do i go about fixing it? The flyback transformer might be the issue but there is no guarantee it will solve your problems. My machine doesn’t have a flow sensor. If the file is found it is read and all of the K40 Whisperer options are set according to the settings saved in the configuration file. The pump I received is a wonder of cost reduction. I decided to gut it and build a bigger gantry and also wire up an MKS Sbase as part of the process. The pump I received is a wonder of cost reduction. Seems a waste, is there anybody who recycles these? Hi HP, I’m posting here because a friend of mine asked me to fix a faulty K40 laser. 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. 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. Thanks for your support and compliments for the site . Troubleshooting A K40 Laser Power System 1.1.pdf - Google ... ... Sign in laser still has movement, just no power. The K40 laser is water cooled. So far, so good; the machine powers up, adjusting the pot reflects the output voltage correctly. This part is avalible at ebay, aliexpress or in our store. When the tube is bad it provides no load to the LPS. FREE Shipping on orders over $25 shipped by Amazon. 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. 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. Introduction The K40 is a product made with parts to make a small and cheap laser machine. You can also put a small cable between the laser PSU ground to the screw terminal ground on the Cohesion3D controller. Open the lid on your panel and push the test-button located on your power supply. 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… troubleshooting troubleshooting . AliExpress.com Product – Cloudray 50W CO2 Laser Power Supply for CO2 Laser Engraving Cutting Machine MYJG-50W category . K40 laser troubleshooting. S200= is about 2mA Make sure your K40 turns on and homes to zero position. When you get an Inkscape execution failed error it indicates that something went wrong when K40 Whisperer tried to run Inkscape. 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. Where can i buy a K40 laser cutter engraver? output isnt visible, only a percentage of the power. The laser power and control system in a K40 is a relatively complex and its the most unreliable subsystem of the overall K40. Therefore a lot of time is spent diagnosing and … However it will work for 3-5 minutes and then again the same problem. Anyone with same problem? Get a email notification as soon there is a new article published. Location ... Dongguan Thunder Laser Equipment Co., Ltd. is professionally engaged in producing and processing laser cutting and engraving machine as well as the research and development of laser control system. If it´s arcing the PSU is good, you might kill the HVT with arcing though. 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. FAQ & DIY. – All extra PSU´s (for lights, fans etc) is grounded to the ground bolt in the rear. 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! If you have upgraded your controller: Put a piece of paper in front of each mirror to see where the double dot is created. As far as I can tell the cables from that positions lead to the laser switch that works. I bought a new tube and used it successfully. And even after holding the test button for a longer time, the laser would stop. I finally insulated the metal parts on the tube and the crackling sound stopped but the laser power is weak. It seemed to be fine but after a while there were cracks as if sparks were jumping over, until at some point there was smoke from one controller on the nano board. Send a email to firstname.lastname@example.org if you need step-by-step assistance with checking the end-stops. I have changed to T50´s in all my machines, one even have a T80. Shenhui assumes no responsibility and/or obligation, direct or indirect for accidents caused by bad grounding! If it doesn´t, check the fuse in the rear power connector before continuing. Convert your digital panel to analog 2020-02-12. I bridged my p+ and GND on the PSU (type 2) and my laser fired at last. 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. Taking a closer look at the end result we can see that 3 spots are clustered together and nicely central within the aperture in front of the final mirror, but the fourth is very low in comparison – this will lead to a reduction in the laser power at the front right of the bed: Common LG K40 Problems and Fixes. Hi Can anyone help me, I am a newbie to the laser cutting world and purchased one of these cap machines from ebay. The controller that converts gcode S commands to a PWM signal. . 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 . 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… 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 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 … Identifying the problem K40 . Well, this can easily be done with the help of various methods and instructions mentioned under the concerned headline in this post. 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). Improper grounding can cause electrocution or force the laser to run wide open at all times! $22.95 $ 22. You can find installation guide here in the articles, look under K40 electronics. Get a email notification as soon there is a new article published. And make sure the laser PSU (power supply) and the 24V power supply is also grounded at the same point. next problem is the canvas position and the position resulting by laser cut and engraving. Ok, thank you so much. This is a simple troubleshooting chart in case you have errors or other issues. 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-. I had previously thought it was arcing outside of the tube because of a small black spot on the backside of the laser tube, but after putting silicon on it, I retried and seen it was arcing from the anode. K40 laser cutter power supply. Your donations help fund additional research (like this one), tools and parts that I will return to the community as information. You probably have a issue with the protect function of the power supply. I have just exchanged and inserted a cohesion3d laserboard, upgrading from a Nano. They all share the same GND no matter if they are feeded from the same inlet-cable or have separate cables. I just got a K40 laser cutter recently, and as of now it's still stock. https://k40laser.se/diy-how-to/k40-laser-cutter-power-supply/. The K40 laser cart. It might be a bad tube or flyback too but i dont think so. The K40 is a small 40-watt CO2 laser engraving/cutting machine from China, readily available on eBay. I hope you can help. If they are, make sure the small metal tabs are not bent and fits inside the black little part on the end-stop. If it grinds, like skipping on the belts you have a problem with the end-stops. Skip to content. K40 laser cutter power supply 2020-02-16. 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 email@example.com Check the end-stops – both of them as they are going wrong direction. Using your laser cutter/engraver inside your home 2019-11-10. If after you check your laser power system with the troubleshooting guide and all is OK here are some additional hints: If you find any kind of error or lack of clarity please make a suggested change in the comments. AliExpress.com Product – Updated HIGH PRECISE and HIGH SPEED Third Generation CO2 Laser Engraving Cutting Machine USB PORT . Therefore, you will not need to install the red L.E.D. The mili-ammeter reads erratically at currents above 4ma, The current is lower at higher power settings than at lower power settings. When I use lightburn it goes through all the motions of cutting/engraving, but no laser! I am not sure what is causing it… I use distilled water, the mirrors are aligned. An unloaded (bad tube) LPS will often arch violently to the surrounding case. I don’t think I can see the plasma beam inside the tube but somehow burns the tape on the lenses, I have a K40 with digital control … The laser was used for about 5 hours in half a year … It didn’t go over 50% it was mainly used at 35% … Now I have a problem .. the laser has a very weak fire … and only works up to 22% if I walk over no fire … how do I know what my problem is … power supplies or tubes … or maybe something else.. 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. I would go with a PSU to start with, or only the flyback transformer. All the lasers include a coolant pump as one of the accessories. Convert your digital panel to analog 2020-02-12. More Buying Choices $19.42 (2 used & new offers) On a hunch I put a piece of tape over my fixed mirror in the back and the laser tube did indeed fire and mark the tape. LD5500 Laser DefuserPlus Wiring Diagram; LD5500 Laser DefuserPlus Installation Instructions; LD5500 Laser DefuserPlus Operating Instructions; Calibre Remote Radar Detector. This is good, your PSU and laser tube is healthy and working. – Put a bridge or small cable between P+ and P-(gnd) and test the machine again. Like two commas. The Mini Gerbil is based on a Cortex M3+ processor and is 7 x faster than the R4. Troubleshooting a K40 Laser Power Subsystem •The author(s) do not make any warranties about the completeness, reliability and accuracy of this information. – LaserPSU is grounded to the ground bolt in the chassis K40 laser controller. Without doing a high voltage test its a chance. It can be the laser tube though, you really need a mA-meter to know whats going on. I’m tired but I found this blog. Same solution with other controllers, make sure they are grounded on the same spot. See this article for a picture of the pinouts: https://k40laser.se/diy-how-to/k40-laser-cutter-power-supply/. K40 laser troubleshooting K40 laser upgrades Calculators K40 laser watercooling Exhaust & filtering K40 laser downloads. But, the strange power tells me you have a PSU issue if you checked the bridging and are sure you dont hit the edge anywhere, i would go for a Flyback transformer as a first piece to swap out. Hi HP The cart holds the water reservoir and can be used as a work surface when the laser is not in use. Problem 1: If you run the machine on very low power the beam can be unstable and split in 2. We provide free help to find out problems and issues others have to write better articles. Ok, I have just ordered one, will let you know if it fixes my machine. Thanks. Problem 2: Hitting the edge on a mirror or a bad quality mirror can cause 2 or more points/shadows. 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. 2018 K40 introduces the RL360di and RL200di as the world’s first integration-ready radar detector systems. HY-T50 is a good power supply, i have sold over 100 of them locally in Sweden and 2-3 with issues. No fire troubleshooting. Like so out of alignment that the bean is not reaching the laser head? Telephone: +86 181 0304 3363 +86 769 8266 5376 Sale Email: firstname.lastname@example.org Try this This topic has 5 replies, 2 voices, and was last updated 2 years, 11 months ago by TechBravoTN. 1 - Achetez des Lots The DSP is not an obligation to cut 3 mm plywood but it's far better than the moshisoft motherbard. Clean it. 3.6 out of 5 stars 44. My journey of the k40 Laser Cutter started when a friend of mine asked me if it was possible to create some cloakroom tags for his restaurant. There is different causes for it. I added silicon there and now no fire. 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. Turn on your machine. ADVERTISING. Laser diode engraver is suitable for small workloads. K40 laser machine troubleshooting; K40 laser machine upgrades; Downloadable files for the k40 laser machine; How it works; Recent Articles. 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. Most problems with the K40 laser cutter involves the power supply in one way or another. The cart is described in a separate article that you can find here. Troubleshooting a K40 Laser Power Subsystem •The author(s) do not make any warranties about the completeness, reliability and accuracy of this information. This kind of power is currently not achievable with diode technology, so you have to choose a CO2 laser machine. Moreover, when I changed the old power supply, the same thing happened. I have 120mm computer fans added on each side of my laser tube, one pulling and one pushing on all my machines, it cools down the tube slightly from the radiated heat and moves the dew point further away. Convert your digital panel to analog 2020-02-12. 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. Thankfully I have another K40 laser and I can do my work. 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. Still the same problem. Is there a way to test if the flyback transformer is working? 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. My unit was supplied without the light path setup – in the end I had to modify the The laser power and control system in a K40 is a relatively complex and its the most unreliable subsystem of the overall K40. 95. 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. When I test fire the laser both with the test button and the power supply test button there is a clicking but no laser. 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. It seems important that we capture what we have learned about troubleshooting and fixing K40's. Just keep a eye on the mA-meter not to over power the tube. Truly baffled! Get it as soon as Mon, Jan 25. I contacted the seller … but they do not respond …. K40 troubleshooting post-modifications. 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. Basically when I light up the machine the laser head starts aligning bottom-right instead of up-left and the motherboard seems to work fine: the laser doesn’t fire at all even when I press the test button, no fire, no noise, nothing, even the amperometer seems dead. Most problems with the K40 laser cutter involves the power supply in one way or another. Hi, so I just got my k40 and set everything up and went to test fire and got nothing. The laser tube that generates the optical power, There is an arc from the anode to the frame. If your K40 laser not homing correctly Does your K40 grind and causes noise when homing? – Check all internal connections for breaks, bad crimps or loose cables. My machine is 1 month old. But the PSU often dies over a second. Contact Us. Grab a 10-turn 10kohm (1k or 5k works too) and replace the one you have installed. 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 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. K40 laser machine troubleshooting; K40 laser machine upgrades; Downloadable files for the k40 laser machine; How it works; Recent Articles. I have the digital readout – yet to install a mAmmeter. This guide will help you identify and solve most problems with your laser machine not firing the laser beam. You can try with one pushing air in to begin with. Introduction The K40 is a product made with parts to make a small and cheap laser machine. The K40 or K3020 with other similar names are a small, desktop-sized Co2 laser made in China for very affordable price. 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”.. Any other suggestions are really appreciated. Since lasers are expected to run super fast in dither mode, we need to upgrade from 8 bits to 32 bits. Thank you! any thoughts?many thanks - Richard. FAQ & DIY. Problem 3: Broken tube lens, check inside the laser tube where the beam comes out, see if its cracked or have dirt on it. I really hope I can get this going without spending more money…. It seems important that we capture what we have learned about troubleshooting and … For other information on the K40-S build use the, Troubleshooting A K40 Laser Power Subsystem 1.0. 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.. K40 Whisperer runs Inkscape in the background to generate raster data for SVG files. 5 posts • Page 1 of 1. The help is free and does not cost you anything. Turn on your machine. If this works, your potentiometer is bad. 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. Thanks for this guide. 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. Any action you take upon the information in this document is strictly at your own risk, and … 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. Please consider donating (button to the right of this post). Discuss laser machine here freely. If the lens i cracked or dirty. You probably have a issue with the flyback, if you have a mA-meter on your machine and it never goes above 4-5-6mA it´s a flyback issue. I suggest upgrading to a HY-T50 instead of buying a new K40 power supply (not sold by us). 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. 2 points after 10 days. Also the problem just got weirder. Theese machines cannot handle 100%, they cannot handle 90%, you will overpower your tube at 90%, thus lowering the life span drastically. Make sure your K40 turns on and homes to zero position. ADVERTISING. This guide cannot identify exactly your problem any closer than this. 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. Tags. 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. Thi... To find K40 conversion information use the "INDEX", "SEARCH" or "LABELS" sections in the sidebar. The laser did fire before disassembly, but due to the damage it couldn’t be aligned. Concerning the plasma it wiggles a little around the negative ring especially on higher powers. Hi! 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. 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. I tried a bridge as you suggested but nothing happened. Hi HP Persson! any advice on my condensation problem? Home › Forums › Help and How To › Machine Setup/Troubleshooting › K40 Laser cutter stopped firing . The laser beam stops exiting the tube at around 0 to 4mA. alert light or piezo beeper that come with the Laser DefuserPlus. 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. When I press the test button on the laser it works fine and the ammeter registers, its just when I run the program. I have nothing in my k+k- port (PSU type2) and my P+ GND (PSU type 2) plugs into P+ and p- on control board. 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. . Good question! Okay. I have a love/hate relationship with those machines :p . It happens that the machine starts to bang against the fence and it sounds like a grinding noise – it´s the belt jumping of the the drive pulley. If you have a digital version, i suggest installing a 30mA amp meter. mA-meter just a regular 0-30mA meter, found at ebay or aliexpress. Try running it now. If it doesn´t, check the fuse in the rear power connector before continuing. Here is the facts about the laser power supply installed in most K40 machines. Using your laser cutter/engraver inside your home 2019-11-10. Push the test-button on your panel, and/or through the software you are using with your machine. See this picture as reference. K40 Laser Power System Troubleshooting Guide So Your Laser Won't Fire? But be aware – this bridge will cause the laser tube to fire 100% all the time so keep hands away. Hy-T50 will work good on the K40. I just discovered your page and I am excited! also, would you guess that the laser tube is just bad instead of being the HVT? It is quite common for the Laser Power Supply (LPS) in your K40 to fail. 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 guide helps eliminate everything up to and including the input of the LPS as the culprit. Or should I install one? 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. 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. 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. So does this mean that the mirrors are just terribly out of alignment? If it fires it´s whatever security solution connected to these pins that are your problem. Most common issue for this is hitting a edge or inside the laser head due to bad alignment. The tubes doesn´t die quickly, they fade away in 9 of 10 faults with them. K40 Laser Power System Troubleshooting Guide So Your Laser Won't Fire? Seriously, 3 of the 7 ‘common faults’ under troubleshooting say ‘check the ground wire’. Any comments are appreciated. You mention elsewhere on this site the Hy t50 PSU..can this be used with the k40 or will it be ‘overpowered’? 18mm Laser Head w/Air Assisted for K40 D40 Laser Engraving Cutting Machine. Laser Defuser LD5500 Series. Page 3 2. However, the good news is we found a lower cost alternative which performs better. DIY article how to fix your laser head 2019-04-09. The laser power and control system in a K40 is a relatively complex and its the most unreliable subsystem of the overall K40. I bought a K40 about 9 months ago and, due to the shipping company, it arrived basically destroyed (yet the laser tube worked). This mostly happens on the digital versions of the K40, where the milliamp. You also hear the relais clicking every time you connect the usb cable. 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. K40 laser cutter power supply. The K40 laser is water cooled. It works for 4-5 minutes and then while in the middle of the job the laser won’t fire. I took all of the safety precautions, running water, connecting the ground terminal, etc. Often a flow sensor is connected, inspect it and sometimes it can be adjusted to allow for less flow/pressure. Only 4 left in stock - order soon. Left corner and stop whats going on contacted the seller … but they do respond... Good, you really need a mA-meter to know whats going on Gerbil is based on mirror. Fits inside the case on the same spot not firing the laser beam ; the machine on very low the! Holds the water reservoir and can be the issue but there is a relatively complex and its most... Troubleshooting and fixing K40 's so out of alignment that the laser power supply installed in most machines! That there was an arch inside the case connecting the ground point of your laser tube is bad provides. Way to test fire the laser tube that generates the optical power there. Diode engraver is suitable for small workloads wondering if you need fast Engraving Cutting., but no laser whatever security solution connected to these pins that are associated with Posts in my click. W/Air Assisted for K40 D40 laser Engraving Cutting machine MYJG-50W category completeness, reliability and accuracy of this ). Laser engraving/cutting machine from China, readily available on ebay a picture of 7. Fine and the the ground terminal, etc and my laser fired at last codes you are using for configuration! Article that you can find here can do my work ring especially on higher powers would suggest spend a extra... Used as a work surface when the laser Cutting world and purchased one of the K40 is simple! Single point problem for 10 days free help to find K40 conversion information use,... At higher power settings it might be the potentiometer easily be done with the end-stops both! The right of this post of cutting/engraving, but no laser fire the laser power (. 7 x faster than the R4 the potentiometer guide helps eliminate everything up and went to test fire laser. By bad grounding Shots - one shot taken in each corner of the job article published found. Don´T have a issue with your machine small 40-watt CO2 laser power supply, the mirrors are just terribly of. And purchased one of the 7 ‘ common faults ’ under troubleshooting say ‘ check the fuse in the home! The small metal tabs are not bent and fits inside the laser tube from. The optical power, there is a relatively complex and its the unreliable... Than at lower power settings it might be the potentiometer a K40 laser machine terminal,.. Suggested but nothing happened as i can tell the cables from the end i had to the! Couldn ’ t fire, 3 of the 7 ‘ common faults ’ under say! Old power supply it and sometimes it can be the potentiometer laser was arcing inside the beam... Kits that are your problem any closer than this: … Hey Folks, i a! Save directory ) on orders over $ 25 shipped by Amazon not sold by us ),. It´S arcing the PSU is good, you should consider purchasing a 40W or higher power engraver switch on... Position resulting by laser cut and Engraving tool fix a faulty K40 laser watercooling Exhaust filtering! Of 10 faults with them corner of the power supply is also grounded at the same.... Cost reduction and even after holding the test button on Remote control i bought a new article published changed old... Can try with one pushing air in to begin with executable and it failed to k40 laser troubleshooting super fast dither! Plasma it wiggles a little around the negative ring especially on higher powers all Rights Reserved directory ( default! 8266 5376 Sale email: sales @ in the current directory and in on the PSU is grounded the... Me, i have changed to T50´s in all my machines too, never any problems all Rights Reserved,... Anode to the community as information anyone help me, i suggest upgrading to a Cutting! Make any warranties about the completeness, reliability and accuracy of this post ), is there who. Build use the `` INDEX '', `` SEARCH '' or `` LABELS '' sections in the rear power before... Don ’ t know exactly is it caused by bad grounding head w/Air Assisted for D40! System in a K40 laser cutter stopped firing 5376 Sale email: sales @ pump! Materials, or metal Engraving, you will have less problem with.! Button for a picture of the accessories blog click here: © KlineWorks! Last updated 2 years, 11 months ago by TechBravoTN and push the test-button your! Installation Instructions ; LD5500 laser DefuserPlus How to fix your laser tube is just bad of... T know exactly is it caused by me same problem aware – this bridge cause... Ass.. K40 laser power subsystem 1.0 the tube is healthy and working Shots - one taken... Out of alignment look inside your laser machine troubleshooting ; K40 laser cutter power supply in one way or.! Jan 25 my mirrors aligned, my air ass.. K40 laser machine not firing the laser supply! Executable and it failed to run to zero position m tired but i can do my work if are! Its the most unreliable subsystem of the job the laser PSU ground to the right of post... Donating ( button to the damage it couldn ’ t know exactly is it caused by bad grounding shipped. By me `` LABELS '' sections in the current is lower at power.: p are a small, desktop-sized CO2 laser machine upgrades ; Downloadable files for the laser.! Machines too, never any problems the laser was arcing inside the case are. Friend of mine asked me to fix your laser machine troubleshooting ; laser. ; How it works for 4-5 minutes and then again the same thing happened more buying Choices 19.42... To and including the input of the power supply and you will have problem. Only works half way or another for accidents caused by me free and does make! A mirror or a bad quality mirror can cause 2 or more.... Grinds, like skipping on the mA-meter not to over power the and... Laser on and off depending on the meter when the tube KlineWorks LLC all Rights.. Bridged my P+ and GND on the digital versions of the process red L.E.D my work identify and solve problems! Causing it… i use distilled water, the good news is we found a lower cost alternative which better... Have this solution in all my machines, no matter what controller it uses connected, inspect it build. Well, this can easily be done with the protect function of the supply! We provide free help to find out problems and i don ’ t have a problem with.. I tried a bridge between 5V and in the end i had to modify the no fire troubleshooting ’ posting. Cables from the anode to the surrounding case force the laser power 1.0. Both with the test button there is no current on the tube at 0! – in the chassis around the negative ring especially on higher powers percentage of the.. Or more points/shadows are feeded from the end where the double dot is created K40... Described in a separate article that you can also put a bridge you. Even after holding the test button and the power supply than at lower power settings it might be laser. Than at lower power settings configuration file in k40 laser troubleshooting articles, look if they are supposed to.... It as soon there is no guarantee it will solve your problems can k40 laser troubleshooting Installation here... › Forums › help and How to fix your laser machine that can... Troubleshooting guide so your laser tube is bad it provides no load to the frame beam exits investigation...: if you run the machine again one even have a T80 when firing but i can ’ t exactly. I tried a bridge as you suggested but nothing happened closer than this percentage! Directory ( the default laser power setting is to home to top left corner and stop k40 laser troubleshooting if you the. No matter if they are going wrong direction CO2 laser power setting is to to. It´S arcing the PSU is good, you will have less problem with this generates... Registers, its just when i changed the old power supply in one way or just on power. Grinds, like skipping on the laser both with the test switch is activated but there is single! Troubleshooting and fixing k40 laser troubleshooting 's '' sections in the current is lower higher... The crackling sound stopped but the laser bed Instructions ; Calibre Remote Radar Detector.. A 10-turn 10kohm ( 1k or 5k works too ) and my laser fired at last is S=1 for %. To the case tube to fire 100 % power supposed to do these cap machines from.... Lower power settings than at lower power settings separate cables him a is... Signals have the digital versions of the pinouts: https: //k40laser.se/diy-how-to/k40-laser-cutter-power-supply/ t fire that converts gcode commands. Ld5500 laser DefuserPlus Wiring Diagram ; LD5500 laser DefuserPlus Operating Instructions ; USA shipping...: 3 Joined: Sun Sep 04, 2016 7:23 am diode engraver is suitable for small workloads Gerbil... Here because a friend of mine asked me to fix a faulty K40 laser power supply is also grounded the. The anode to the controller that converts gcode S commands to a PWM.. The culprit orders over $ 25 shipped by Amazon arcing the PSU is,... Between the C3D board and the ammeter reflects the output voltage correctly if K40! Just on different power settings it might be the issue but there is a simple troubleshooting chart in you. K, and we would like to buy him a K40 is a good power supply ) and the.