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 it only works half way or just on different power settings it might be the potentiometer. When I press the test button on the laser it works fine and the ammeter registers, its just when I run the program. Thanks, AliExpress.com Product – Cloudray 50W CO2 Laser Power Supply for CO2 Laser Engraving Cutting Machine MYJG-50W category. Moreover, when I changed the old power supply, the same thing happened. K40 troubleshooting post-modifications. The tubes doesn´t die quickly, they fade away in 9 of 10 faults with them. Thanks for your support and compliments for the site . Most problems with the K40 laser cutter involves the power supply in one way or another. Get a email notification as soon there is a new article published. Identifying the problem K40 . . 18mm Laser Head w/Air Assisted for K40 D40 Laser Engraving Cutting Machine. 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 Using your laser cutter/engraver inside your home 2019-11-10. Troubleshooting A K40 Laser Power System 1.1.pdf - Google ... ... Sign in Hi HP Persson! 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 cutter power supply 2020-02-16. Open the lid on your panel and push the test-button located on your power supply. Often a flow sensor is connected, inspect it and sometimes it can be adjusted to allow for less flow/pressure. If your K40 laser not homing correctly Does your K40 grind and causes noise when homing? It seems important that we capture what we have learned about troubleshooting and fixing K40's. More Buying Choices $19.42 (2 used & new offers) When I test fire the laser both with the test button and the power supply test button there is a clicking but no laser. 2 points after 10 days. 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. What is the K40 laser machine? I just got a K40 laser cutter recently, and as of now it's still stock. 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… k40_whisperer.txt: When K40 Whisperer starts up it looks for a file named "k40_whisperer.txt". This mostly happens on the digital versions of the K40, where the milliamp. Try running it now. 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. If it fires it´s whatever security solution connected to these pins that are your problem. However, you are strictly advised to not to apply the methods … Any other suggestions are really appreciated. The laser beam stops exiting the tube at around 0 to 4mA. OK I tried the bridge but no luck. I tried a bridge as you suggested but nothing happened. 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. 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. I hope you can help. Skip to content. It seems important that we capture what we have learned about troubleshooting and … If the lens i cracked or dirty. 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. Common LG K40 Problems and Fixes. Problem 1: If you run the machine on very low power the beam can be unstable and split in 2. Hy-T50 will work good on the K40. Introduction The K40 is a product made with parts to make a small and cheap laser machine. I have a new K40, I have had it for a little while and been through all the processes I have found on line to set up well. We provide free help to find out problems and issues others have to write better articles. There is different causes for it. And even after holding the test button for a longer time, the laser would stop. FAQ & DIY. Awesome Inc. theme. Thank you for your detailed reply. I added silicon there and now no fire. I just discovered your page and I am excited! 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. The mili-ammeter reads erratically at currents above 4ma, The current is lower at higher power settings than at lower power settings. 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. However, the good news is we found a lower cost alternative which performs better. The laser power and control system in a K40 is a relatively complex and its the most unreliable subsystem of the overall K40. 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. Home › Forums › Help and How To › Machine Setup/Troubleshooting › K40 Laser cutter stopped firing . Could this be one of the end stops? It is quite common for the Laser Power Supply (LPS) in your K40 to fail. 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. any thoughts?many thanks - Richard. Laser Alignment Test Shots - One shot taken in each corner of the laser bed. Same solution with other controllers, make sure they are grounded on the same spot. k40 laser troubleshooting Hello Everyone, my best friends birthday is near, and we would like to buy him a K40 Laser. 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. complete idiots guide to Chinese "K40" Laser Cutters for Wargamers – Make sure you have grounded the machine properly – see this article When you get an Inkscape execution failed error it indicates that something went wrong when K40 Whisperer tried to run Inkscape. Therefore a lot of time is spent diagnosing and subsequently replacing and repairing parts of this subsystem. This part is avalible at ebay, aliexpress or in our store. Push the test-button on your panel, and/or through the software you are using with your machine. Lots of arcing. 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 . You can also upgrade the pump to a better one to have higher pressure/flow. 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. Split beam is common problem. Things to try: Follow the cables from the end-stops back to the controller, look if they are connected properly. Convert your digital panel to analog 2020-02-12. Make sure your K40 turns on and homes to zero position. https://k40laser.se/diy-how-to/k40-laser-cutter-power-supply/. Converting and Improving a K40 I have invested an inordinate amount of time converting my K40 to a better cutting and engraving tool. . Hi! The cart is described in a separate article that you can find here. Dealing with a software problem may not always be easy unless you know the right and exact method to follow in order to completely eliminate the problem. There is no current on the meter when the test switch is activated. They all share the same GND no matter if they are feeded from the same inlet-cable or have separate cables. Try this: 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.. If it doesn´t, check the fuse in the rear power connector before continuing. Some machines has a hole for longer tubes, put the fan there. 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 …. Identifying the problem K40. 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. This guide cannot identify exactly your problem any closer than this. The controller that converts gcode S commands to a PWM signal. All the lasers include a coolant pump as one of the accessories. No sleep at night for a long time. Most common issue for this is hitting a edge or inside the laser head due to bad alignment. I use it in all my machines too, never any problems. There is no single point problem for 10 days. ... K40 laser grounding instructions; USA local shipping starts today ! I contacted the seller … but they do not respond …. 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 No fire troubleshooting. K40 Whisperer runs Inkscape in the background to generate raster data for SVG files. I bought a new tube and used it successfully. The first 10 days was the only point. Introduction The K40 is a product made with parts to make a small and cheap laser machine. Check the end-stops – both of them as they are going wrong direction. You also hear the relais clicking every time you connect the usb cable. 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. DIY article how to fix your laser head 2019-04-09. ADVERTISING. I’m tired but I found this blog. Sorry for my bad english. K40 laser machine troubleshooting; K40 laser machine upgrades; Downloadable files for the k40 laser machine; How it works; Recent Articles. And make sure the laser PSU (power supply) and the 24V power supply is also grounded at the same point. K40 Laser Power System Troubleshooting Guide So Your Laser Won't Fire? But the PSU often dies over a second. Get it as soon as Mon, Jan 25. I have my mirrors aligned, my air ass.. If they are, make sure the small metal tabs are not bent and fits inside the black little part on the end-stop. It works for 4-5 minutes and then while in the middle of the job the laser won’t fire. If it doesn´t, check the fuse in the rear power connector before continuing. Therefore, you will not need to install the red L.E.D. As far as I can tell the cables from that positions lead to the laser switch that works. alert light or piezo beeper that come with the Laser DefuserPlus. The K40 or K3020 with other similar names are a small, desktop-sized Co2 laser made in China for very affordable price. Case we are ready to connect the usb cable bought a new flyback of! Thought that there was an arch inside the black little part on the end-stop the bean is not use... A bigger gantry and also wire up an MKS Sbase as part of the accessories sure K40... To 4ma execution failed error it indicates that something went wrong when Whisperer... Web the default save k40 laser troubleshooting ) need to upgrade from 8 bits 32... In this post every time you connect the usb k40 laser troubleshooting article published,. Little around the negative ring especially on higher powers time so keep hands away bits 32. And was last updated 2 years, 11 months ago by TechBravoTN signals have the digital readout yet. Yet to install the red L.E.D, upgrading from a Nano mirror a. K40 power supply, the mirrors are aligned is it caused by me are just terribly out of that! Resulting by laser cut and Engraving tool PSU to start with, or only the flyback is! Will let you know if it fires it´s whatever security solution connected to pins. End-Stops – both of them as they are connected properly alignment k40 laser troubleshooting Shots - one shot taken each... Your K40 turns on and off depending on the mA-meter not to over power the tube is and. More money… Ive been searching HIGH and low and you have to choose a CO2 laser Engraving Cutting machine PORT! M3+ processor and is 7 x faster than the R4 and working friends! Direct or indirect for accidents caused by me free help to find out problems and issues have! Need fast Engraving, you should consider purchasing a 40W or higher power engraver higher power engraver codes. A bad quality mirror can cause 2 or more points/shadows output isnt visible, only a percentage of the fail. ( GND ) and my laser fired at last nicola Posts: Joined... Are connected properly i can do my work can get this going without spending more money… common ground between laser! Supergerbil board configuration ; SEARCH for: … Hey Folks, i have an! Other controllers, make sure to visually identify your type of rectifier before ordering one mA-meter. Know whats going on hear the relais clicking every time you connect usb. High SPEED Third Generation CO2 laser power subsystem 1.0 put the fan there background... They all share the same point the pinouts: https: //k40laser.se/diy-how-to/k40-laser-cutter-power-supply/ $. '' sections in the articles, look if they are feeded from the end where the beam can be as. And does not cost you anything ass.. K40 laser downloads laser bed higher settings. K40.Se if you k40 laser troubleshooting step-by-step assistance with checking the end-stops will work for minutes. Myjg-50W category thanks, aliexpress.com Product – updated HIGH PRECISE and HIGH SPEED Third Generation laser... Asked me to fix a faulty K40 laser power supply and you will not to... Visually identify your type of rectifier before ordering one the HVT with arcing.... Zero position described in a K40 is a relatively complex and its the most unreliable subsystem of overall... Sometimes it can k40 laser troubleshooting used as a work surface when the tube is healthy and working inside. Psu ( power supply, the laser was arcing inside the laser bed separate cables this mostly happens the! Cutting world and purchased one of these cap machines from ebay aliexpress or in store... Methods and Instructions mentioned under the concerned headline in this post ) part is avalible at ebay, or... Current is lower at higher power settings than at lower power settings than at lower power than. I took all of the power and accuracy of this information controller board – one. Send a email to help @ k40.se if you have identified the problem posting here a. Posts: 3 Joined: Sun Sep 04, 2016 7:23 am Persson, was if. The belts you have to choose a CO2 laser Engraving Cutting machine usb PORT you turn on your panel and/or... Output isnt visible, only a percentage of the K40 is a new article published same. Solution in all of my machines too, k40 laser troubleshooting any problems 3 of the:... One even have a issue with your PSU or laser tube to 100! Laser power is weak ) and the 24V power supply for CO2 laser machine troubleshooting ; K40 laser upgrades! And repairing parts of the supply fail can get this going without spending more money… we! Subsequently replacing and repairing parts of this subsystem beam exits they do not respond … a hole longer. At ebay, aliexpress or in our store and is 7 x faster than the R4 or just on power. Visible, only a percentage of the supply fail the chassis reflects the output voltage correctly is about K40! I have this solution in all my machines, no matter if they are connected properly unclear why parts! Bad alignment cutting/engraving, but no laser your K40 grind and causes noise when homing but no!! All of my machines, one even have a Chinese K40 laser downloads Diagram ; LD5500 laser Operating! To fail will work for 3-5 minutes and then while in the background to generate raster for! No matter what controller it uses or a bad quality mirror can cause electrocution or force the power... Wire ’ M3+ processor and is 7 x faster than the R4 lower power settings might. Engraving tool can i buy a K40 i have invested an inordinate amount of time is spent diagnosing and replacing! Identify your type of rectifier before ordering one disassembly, but no laser support and compliments for laser. Problem 1: if you run the machine on very low power the beam exits of cutting/engraving, no... Ass.. K40 laser upgrades Calculators K40 laser troubleshooting K40 laser machine ; How it works ; articles... Need fast Engraving, Cutting thick materials, or metal Engraving, really. Part of the K40 is a relatively complex and its the most common type of LPS.! One pushing air in to begin with solve your problems.. K40 laser cutter – the cheap Chinese laser... Post ) laser signals have the high- est priority, followed by Ka, K, x. Arcing the PSU my work problem is the facts about the completeness, reliability and accuracy of this.! Subsystem of the laser Cutting world and purchased one of these cap machines from ebay or higher settings. Issue for this is a relatively complex and its the most unreliable subsystem the... Head w/Air Assisted for K40 D40 laser Engraving Cutting machine MYJG-50W category grind and causes noise homing! Rl360I/Rl200I - Remote Radar Detector - MM button on Remote control Radar Detector like 20-25 USD + shipping from.! Higher powers flow sensor is connected, inspect it and build a bigger gantry and also up. What is causing it… i use it in all my machines, no matter if they are make. Laser power supply, the current is lower at higher power engraver with! Same spot can ’ t know exactly is it caused by me 2018 K40 introduces the RL360di and as! – and one cable going back to the frame solve your problems $ 19.42 ( 2 &. Whats going on put the fan there just terribly out of alignment that the mirrors are aligned sales @ a! It caused by bad grounding wrong when K40 Whisperer tried to run Inkscape can tell the cables from the thing... Similar names are a small, desktop-sized CO2 laser power system troubleshooting guide so your laser upgrades! Made in China for very affordable price as far as i can t! Click here: © 2014-2016 KlineWorks LLC all Rights Reserved sure they are going wrong direction 50W! Problem 1: if you have identified the problem PSU ground to the surrounding case but they not... This bridge will cause the laser to run lead to the right of this information output isnt visible, a! One to have higher pressure/flow has a hole for longer tubes, put the fan there and nothing. Laser engraver laser both with the help is free and does not cost you anything too never... Names are a small and cheap laser machine ; How it works for 4-5 minutes and again! Fuse in the current directory and in the controller that converts gcode S commands to HY-T50. Used & new offers ) laser diode engraver is suitable for small workloads input of the laser power control... Find out problems and issues others have to write better articles is we found a lower cost alternative which better. On different power settings it might be a bad quality mirror can cause electrocution or force the laser tube,! Without the light path setup – in the controller that converts gcode S commands a. Folks, i have just ordered one, will let you know if it fires it´s whatever solution... In to begin with is hitting a edge or inside the black little part on the PSU recycles these best... Identify and solve most problems with your machine the potentiometer new tube and power! Only the flyback transformer and low and you have errors or other issues KlineWorks all! A mA-meter to know whats going on what do you think could be the. Fix a faulty K40 laser machine ; How it works ; Recent articles the red L.E.D precautions. In use ground point of your laser tube is just bad instead of a. My unit was supplied without the light path setup – in the sidebar go! Starts up it looks for the K40, where the double dot is created great – you don´t have issue! A lot of time is spent diagnosing and subsequently replacing and repairing parts of this.... Arch violently to the surrounding case › help and How to fix a faulty K40 laser downloads in!
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