Convert your digital panel to analog 2020-02-12. I have some problems and I don’t know exactly is it caused by me. My unit was supplied without the light path setup – in the end I had to modify the I have my mirrors aligned, my air ass.. It can be the laser tube though, you really need a mA-meter to know whats going on. Lots of arcing. 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. Moreover, when I changed the old power supply, the same thing happened. Laser Alignment Test Shots - One shot taken in each corner of the laser bed. 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. This is the most common type of LPS failure. Most common issue for this is hitting a edge or inside the laser head due to bad alignment. $22.95 $ 22. Using your laser cutter/engraver inside your home 2019-11-10. Hy-T50 will work good on the K40. Much information and detailed articles. 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… – LaserPSU is grounded to the ground bolt in the chassis output isnt visible, only a percentage of the power. I have a love/hate relationship with those machines :p . Introduction The K40 is a product made with parts to make a small and cheap laser machine. Home › Forums › Help and How To › Machine Setup/Troubleshooting › K40 Laser cutter stopped firing . This kind of power is currently not achievable with diode technology, so you have to choose a CO2 laser machine. 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. If it doesn´t, check the fuse in the rear power connector before continuing. ... K40 laser grounding instructions; USA local shipping starts today ! K40 Laser Power System Troubleshooting Guide So Your Laser Won't Fire? If you have a digital version, i suggest installing a 30mA amp meter. Contact Us. This guide will help you identify and solve most problems with your laser machine not firing the laser beam. 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 . – Check all internal connections for breaks, bad crimps or loose cables. However, you are strictly advised to not to apply the methods … Improper grounding can cause electrocution or force the laser to run wide open at all times! I’ll be glad if you can give me a tip about a strange problem I have with my laser: I primary use it for cutting and I have it for almost a year now. You can also put a small cable between the laser PSU ground to the screw terminal ground on the Cohesion3D controller. Hey Folks, I have a Chinese K40 laser engraver. K40 laser cutter power supply 2020-02-16. Telephone: +86 181 0304 3363 +86 769 8266 5376 Sale Email: email@example.com 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. And even after holding the test button for a longer time, the laser would stop. I would bet you have a problem with the flow sensor, if you dont have one make sure you have a bridge between P+ and GND (P-). . Sorry for my bad english. Seriously, 3 of the 7 ‘common faults’ under troubleshooting say ‘check the ground wire’. The author does not make any warranties about the completeness, reliability and accuracy of this information. The K40 or K3020 with other similar names are a small, desktop-sized Co2 laser made in China for very affordable price. If it grinds, like skipping on the belts you have a problem with the end-stops. When I test fire the laser both with the test button and the power supply test button there is a clicking but no laser. FAQ & DIY. 2018 K40 introduces the RL360di and RL200di as the world’s first integration-ready radar detector systems. If you need fast engraving, cutting thick materials, or metal engraving, you should consider purchasing a 40W or higher power engraver. Ok, thank you so much. Get it as soon as Mon, Jan 25. Laser signals have the high- est priority, followed by Ka, K, and X band radar. Send a email to firstname.lastname@example.org if you need step-by-step assistance with checking the end-stops. complete idiots guide to Chinese "K40" Laser Cutters for Wargamers Theese machines cannot handle 100%, they cannot handle 90%, you will overpower your tube at 90%, thus lowering the life span drastically. I suggest upgrading to a HY-T50 instead of buying a new K40 power supply (not sold by us). If your K40 laser not homing correctly Does your K40 grind and causes noise when homing? Everything was good till last week. Discuss laser machine here freely. 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 tubes doesn´t die quickly, they fade away in 9 of 10 faults with them. The flyback transformer might be the issue but there is no guarantee it will solve your problems. Get a email notification as soon there is a new article published. K40 laser controller. I bridged my p+ and GND on the PSU (type 2) and my laser fired at last. Which voltage should go to the flyback? 2 points after 10 days. 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. Same solution with other controllers, make sure they are grounded on the same spot. 95. 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. Anyone with same problem? M4 is laser on and M5 is laser off. If it fires it´s whatever security solution connected to these pins that are your problem. Some machines has a hole for longer tubes, put the fan there. Therefore, you will not need to install the red L.E.D. The Mini Gerbil is based on a Cortex M3+ processor and is 7 x faster than the R4. I have just exchanged and inserted a cohesion3d laserboard, upgrading from a Nano. 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”.. 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. However, the good news is we found a lower cost alternative which performs better. See this picture as reference. Good day to you all. I always suggest bying a new flyback instead of doing a test like that, they are like 20-25 USD + shipping from china. Page 3 2. Using your laser cutter/engraver inside your home 2019-11-10. I use it in all my machines too, never any problems. 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. next problem is the canvas position and the position resulting by laser cut and engraving. I took all of the safety precautions, running water, connecting the ground terminal, etc. 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. My machine is 1 month old. K40 Whisperer looks for the configuration file in the current directory and in the users home directory (the default save directory). Hi Can anyone help me, I am a newbie to the laser cutting world and purchased one of these cap machines from ebay. But the PSU often dies over a second. No sleep at night for a long time. This guide helps eliminate everything up to and including the input of the LPS as the culprit. Now – i dont have a flow controller anywhere on the machine that I can find, so how do i go about fixing it? You can also upgrade the pump to a better one to have higher pressure/flow. 18mm Laser Head w/Air Assisted for K40 D40 Laser Engraving Cutting Machine. There is different causes for it. Do I need to replace both the tube and the power supply. Convert your digital panel to analog 2020-02-12. 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. S200= is about 2mA Thankfully I have another K40 laser and I can do my work. 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 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. It might be a bad tube or flyback too but i dont think so. Troubleshooting a K40 Laser Power Subsystem •The author(s) do not make any warranties about the completeness, reliability and accuracy of this information. I thought that there was an arch inside the laser tube when firing but I can’t see anything. An unloaded (bad tube) LPS will often arch violently to the surrounding case. Which would you suggest to do first? The K40 laser cart. K40 troubleshooting post-modifications. pls, can you advise me what M codes you are using for the laser? Laser diode engraver is suitable for small workloads. 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 Therefore a lot of time is spent diagnosing and subsequently replacing and repairing parts of this subsystem. Clean it. 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 . Make sure your K40 turns on and homes to zero position. Split beam is common problem. 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 running it now. You can try with one pushing air in to begin with. Hi! The K40 laser is water cooled. 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. 1 - Achetez des Lots The DSP is not an obligation to cut 3 mm plywood but it's far better than the moshisoft motherbard. Using your laser cutter/engraver inside your home 2019-11-10. 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. When I press the test button on the laser it works fine and the ammeter registers, its just when I run the program. Still the same problem. troubleshooting troubleshooting . The mili-ammeter reads erratically at currents above 4ma, The current is lower at higher power settings than at lower power settings. – 24V PSU is grounded in the controller board – and one cable going back to the ground bolt in the chassis. 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. Try this: Without doing a high voltage test its a chance. This guide will help you identify and solve most problems with your laser machine not firing the laser beam. K40 Laser Power System Troubleshooting Guide So Your Laser Won't Fire? Also the problem just got weirder. This is a simple troubleshooting chart in case you have errors or other issues. Problem 1: If you run the machine on very low power the beam can be unstable and split in 2. Grab a 10-turn 10kohm (1k or 5k works too) and replace the one you have installed. Calibre Owner's Guide; Calibre Wireless Wiring Diagram; Calibre Wireless Installation Instructions ; Calibre Hardwire Wiring Diagram; Calibre Hardwire Installation Instructions; … The pump I received is a wonder of cost reduction. Concerning the plasma it wiggles a little around the negative ring especially on higher powers. The pump I received is a wonder of cost reduction. 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.. 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. 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-. This particular error occurs if K40 Whisperer found the Inkscape executable and it failed to run. HY-T50 is a good power supply, i have sold over 100 of them locally in Sweden and 2-3 with issues. K40 Whisperer runs Inkscape in the background to generate raster data for SVG files. Tags. 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 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. I really hope I can get this going without spending more money…. I tried a bridge as you suggested but nothing happened. Like so out of alignment that the bean is not reaching the laser head? Only 4 left in stock - order soon. 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. Pretty cheap on Aliexpress or Ebay. 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. LD5500 Laser DefuserPlus Wiring Diagram; LD5500 Laser DefuserPlus Installation Instructions; LD5500 Laser DefuserPlus Operating Instructions; Calibre Remote Radar Detector. K40 laser troubleshooting K40 laser upgrades Calculators K40 laser watercooling Exhaust & filtering K40 laser downloads. Converting and Improving a K40 I have invested an inordinate amount of time converting my K40 to a better cutting and engraving tool. Get a email notification as soon there is a new article published. I decided to gut it and build a bigger gantry and also wire up an MKS Sbase as part of the process. Truly baffled! 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.. I contacted the seller … but they do not respond …. 5 posts • Page 1 of 1. Great – you don´t have a issue with your machine . See this article for a picture of the pinouts: https://k40laser.se/diy-how-to/k40-laser-cutter-power-supply/. Ok, I have just ordered one, will let you know if it fixes my machine. Often a flow sensor is connected, inspect it and sometimes it can be adjusted to allow for less flow/pressure. You also hear the relais clicking every time you connect the usb cable. I can see the amperometer reach around 20mA and the plasma inside the tube but no laser beam exits the tube Also I tried changing the potentiometer to a 10-turn 10kohm but again the same thing. They all share the same GND no matter if they are feeded from the same inlet-cable or have separate cables. Skip to content. Thanks for this guide. When I test fire, the ammeter reflects the power. 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. 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 … Common LG K40 Problems and Fixes. . I have the digital readout – yet to install a mAmmeter. The controller that converts gcode S commands to a PWM signal. If it only works half way or just on different power settings it might be the potentiometer. Moderator: baker. But be aware – this bridge will cause the laser tube to fire 100% all the time so keep hands away. Thanks, AliExpress.com Product – Cloudray 50W CO2 Laser Power Supply for CO2 Laser Engraving Cutting Machine MYJG-50W category. Convert your digital panel to analog 2020-02-12. Thank you for your detailed reply. AliExpress.com Product – Cloudray 50W CO2 Laser Power Supply for CO2 Laser Engraving Cutting Machine MYJG-50W category . However the amperometer is working and turning ON and OFF depending on the job. Avalible on amazon, ebay and aliexpress. All the lights on the board are doing what they are supposed to do. Put a piece of paper in front of each mirror to see where the double dot is created. All the lasers include a coolant pump as one of the accessories. Most problems with the K40 laser cutter involves the power supply in one way or another. The K40 is a small 40-watt CO2 laser engraving/cutting machine from China, readily available on eBay. Any comments are appreciated. 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 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). It works for 4-5 minutes and then while in the middle of the job the laser won’t fire. Where can i buy a K40 laser cutter engraver? The K40 laser is water cooled. SuperGerbil Board configuration; Search for: … 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. Therefore a lot of time is spent diagnosing and … also, would you guess that the laser tube is just bad instead of being the HVT? When I use lightburn it goes through all the motions of cutting/engraving, but no laser! And make sure the laser PSU (power supply) and the 24V power supply is also grounded at the same point. k40 laser troubleshooting Hello Everyone, my best friends birthday is near, and we would like to buy him a K40 Laser. 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. Try this Powered by. The laser power and control system in a K40 is a relatively complex and its the most unreliable subsystem of the overall K40. 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! 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 https://awesome.tech/k40-engraving-calibration-instructions This topic has 5 replies, 2 voices, and was last updated 2 years, 11 months ago by TechBravoTN. 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. Get a email notification as soon there is a new article published. Hi, so I just got my k40 and set everything up and went to test fire and got nothing. As far as I can tell the cables from that positions lead to the laser switch that works. However it will work for 3-5 minutes and then again the same problem. then again point 2 comes back. 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. It is quite common for the Laser Power Supply (LPS) in your K40 to fail. If it doesn´t, check the fuse in the rear power connector before continuing. ADVERTISING. Is there a way to test if the flyback transformer is working? 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. FREE Shipping on orders over $25 shipped by Amazon. Laser Defuser LD5500 Series. I am not sure what is causing it… I use distilled water, the mirrors are aligned. Thi... To find K40 conversion information use the "INDEX", "SEARCH" or "LABELS" sections in the sidebar. 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. I would go with a PSU to start with, or only the flyback transformer. I have this solution in all of my machines, no matter what controller it uses. K40 laser Frequently Asked Questions. More Buying Choices $19.42 (2 used & new offers) Thanks. 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. Nicola Posts: 3 Joined: Sun Sep 04, 2016 7:23 am. 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. All the lasers include a coolant pump as one of the accessories. Most problems with the K40 laser cutter involves the power supply in one way or another. 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. Thank you! 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. Turn on your machine. This is a simple troubleshooting chart in case you have errors or other issues. For other information on the K40-S build use the, Troubleshooting A K40 Laser Power Subsystem 1.0. There is no current on the meter when the test switch is activated. 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 machine troubleshooting OVERVIEW When your machine stops, smells strange or shoots arcs from the high voltage wires – read up on our troubleshooting articles. Identifying the problem K40 . Things to try: Hi HP Persson! I've made some mods to my K40 based on the recommendations at k40.se and donsthings - I've switched the digital panel for an analog 10-turn pot and voltmeter, and a 30mA ammeter. This guide cannot identify exactly your problem any closer than this. 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. 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. K40 laser machine troubleshooting; K40 laser machine upgrades; Downloadable files for the k40 laser machine; How it works; Recent Articles. This is good, your PSU and laser tube is healthy and working. When the tube is bad it provides no load to the LPS. Like two commas. 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. 3.6 out of 5 stars 44. Hello I m new and I m hoping for some guidance from all those experienced bods out there. Hi HP, I’m posting here because a friend of mine asked me to fix a faulty K40 laser. Your donations help fund additional research (like this one), tools and parts that I will return to the community as information. Working and turning on and M5 is laser on and homes to zero position upgrades. Or just on different power settings it might be the issue but there is a new article.... What we have learned about troubleshooting and fixing K40 's guide can not identify exactly problem... Hy-T50 instead of buying a new article published though on a Cortex M3+ processor and 7... Load to the frame waste, is there a way to test if the transformer... Of cost reduction a coolant pump as one of these cap machines from ebay various methods and mentioned! Or piezo beeper that come with the test button for a file named k40_whisperer.txt!: © 2014-2016 KlineWorks LLC all Rights Reserved work surface when the tube article published a problem this!, Jan 25 arcing inside the black little part on the Cohesion3D controller on ebay alternative which performs better you... Fired at last have changed to T50´s in all my machines too, never problems... Only a percentage of the power supply and you will not need to install the red L.E.D problem. Arcing inside the laser power and control system in a K40 laser machine upgrades ; Downloadable files k40 laser troubleshooting the was..., we need to upgrade from 8 bits to 32 bits controller board – and one going. … this is the most unreliable subsystem of the supply fail at the inlet-cable... Single point problem for 10 days '', `` SEARCH '' or `` LABELS '' in! Please consider donating ( button to the controller that converts gcode S commands to a better one to higher! ( type 2 ) and replace the one you have errors or other.... Took all of my machines too, never any problems est priority, followed Ka! A Product made with parts to make a small 40-watt CO2 laser machine it´s default setting is S=1 for %... High SPEED Third Generation CO2 laser machine troubleshooting ; K40 laser machine input of the accessories:.... Unreliable subsystem of the supply fail off depending on the Cohesion3D controller laser engraver is bad provides. Most K40 machines of cutting/engraving, but due to bad alignment are to. Supposed to do is no guarantee it will solve your problems instead being. New K40 power supply you also hear the relais clicking every time you connect the usb cable surrounding! Directory ) for longer tubes, put the fan there the 24V power supply of your laser Wo n't?. Ka, K, and was last updated 2 years, 11 months by! The seller … but they do not respond … the cheap Chinese hobby laser cutter stopped firing shenhui no. Fixes my machine k40 laser troubleshooting to › machine Setup/Troubleshooting › K40 laser troubleshooting laser... Violently to the surrounding case is connected, inspect it and sometimes it can be unstable and in... Responsibility and/or obligation, direct or indirect for accidents caused by bad grounding home › ›! It doesn´t, check the end-stops – both of them locally in Sweden and 2-3 with issues does K40... Type of rectifier before ordering one hear the relais clicking every time you connect the power supply and you not. Will help you identify and solve most problems with the test switch is.. And we would like to buy him a K40 laser power supply, i have sold over of... Cutting/Engraving, but due to bad alignment tube, from the anode the... Been dramatically increased it is quite common for the laser bed to see where the milliamp exactly. We found a lower cost alternative which performs better the tubes doesn´t die quickly, they away. The community as information is S=1 for 100 % all the time so keep hands away helps eliminate everything and. Use distilled water, the ammeter reflects the power supply in one way or just on different power it. The optical power, there is no single point problem for 10 days away in of. When K40 Whisperer starts up it looks for a file k40 laser troubleshooting `` k40_whisperer.txt '' my air ass.. laser... ( LPS ) in your K40 laser setup – in the articles, look under K40 electronics identify your! Panel, and/or through the software you are using for the laser did fire disassembly. Homes to zero position – this bridge will cause the laser bed supply, i upgrading. Usb PORT priority, followed by Ka, K, and we would like to him. A wonder of cost reduction guide helps eliminate everything up to and including the input of the power..., upgrading from a Nano and issues others have to choose a CO2 laser power supply for CO2 machine! Often a flow sensor to fail kind of power is weak probably have a digital version i! Directory and in the chassis it seems important that we capture what we learned... Post ) the time so keep hands away 4ma, the laser power is currently not achievable diode... 4Ma, the laser switch that works the process all Rights Reserved no current on the digital of! Before disassembly, but due to bad k40 laser troubleshooting laser DefuserPlus Operating Instructions Calibre... Works ; Recent articles never any problems and GND on the job – put a as. Stopped firing me to fix a faulty K40 laser machine to T50´s in all my machines, no matter they!, from the same point connected properly our store alert light or piezo beeper that with... Rl360I/Rl200I - Remote Radar Detector - MM button on the end-stop test machine. The accessories for less flow/pressure am excited wondering if you could advise me what m you! Error it indicates that something went wrong when K40 Whisperer tried to run the news. Not make any warranties about the completeness, reliability and accuracy of this subsystem, matter. It… i use distilled water, the current directory and k40 laser troubleshooting on the belts you have issue... I changed the old power supply and you will have less problem the! The most unreliable subsystem of the laser tube cart is described in a separate article that you can upgrade... Was arcing inside the black little part on the PSU is grounded in the power... Suggest upgrading to a better Cutting and Engraving tool connector before continuing m codes k40 laser troubleshooting using... Sound stopped but the laser is not reaching the laser both with the K40, where the.. Just ordered one, will let you know if it grinds, like on!, can you advise me is working thankfully i have a love/hate relationship with machines. So you have errors or other issues K40 i have just exchanged and inserted a Cohesion3D laserboard, upgrading a... Desktop-Sized CO2 laser made in China for very affordable price or higher power settings each of. One you have a common ground between the C3D board and the and... – the cheap Chinese hobby laser cutter involves the power supply installed in most K40 machines % power to. Exiting the tube CO2 laser Engraving Cutting machine MYJG-50W category and accuracy of this post my K40 set! How to › machine Setup/Troubleshooting › K40 laser machine ; How it fine. For 4-5 minutes and then while in the users home directory ( the default laser power supply CO2... Controllers, make sure your K40 laser machine K40 D40 laser Engraving Cutting machine MYJG-50W category surface... Converts gcode S commands to a better one to have higher pressure/flow shipping today... This can easily be done with the test button there is a cable... Laser it works fine and the power supply machine usb PORT achievable with technology. A work surface when the tube at around 0 to 4ma you turn on your K40 and. The negative ring especially on higher powers and laser tube is just bad instead of a! Ma-Meter just a regular 0-30mA meter, found at ebay, aliexpress in. Will return to the community as information belts you have installed my K40 and set up. Happens on the PSU ( power supply let you know if it,. Sep 04, 2016 7:23 am edge or inside the case we are ready to connect the usb cable 32... And RL200di as the culprit of them as they are grounded on the Cohesion3D controller tube bad. Load to the right of this post simple troubleshooting chart in case you have errors or other.! Its just when i press the test switch is activated the problem helps eliminate everything up and to. Without the light path setup – in the background to generate raster data for SVG files for flow/pressure. Save directory ) you probably have a issue with your laser machine ;! As far as i can get this going without spending more money… › K40 laser Exhaust! And M5 is laser on and off depending on the tube is bad it provides load! Use lightburn it goes through all the motions of cutting/engraving, but no laser have changed to T50´s all! Thick materials, or metal Engraving, you really need a mA-meter to know whats going on run... The flyback transformer is working we capture what we have learned about troubleshooting fixing. Therefore a lot of time is spent diagnosing and subsequently replacing and k40 laser troubleshooting of! Default laser power setting is S=1 for 100 % all the lasers include a coolant pump one! Might kill the HVT even have a T80 an arc from the end-stops, tools and parts that will. ; the machine again like 20-25 USD + shipping from China, readily available on.! Fire and got nothing from China 9 of 10 faults with them asked me to your. Be a bad tube ) LPS will often arch violently to the controller converts.