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Post History: Paul

Paul

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Hi Matt, the tests are for the k40 unit with MG disconnected. If in doubt let us know and we will …In: Laser faded through cut and now wont fire

5 years ago

Hi this usually happens when the laser tube wears out. Some tubes last 1000-1500 hours but I had my …In: Laser faded through cut and now wont fire

5 years ago

Hi, it is possible that the step stick did got hot and went into suspend mode. This can happen when …In: Stops during burn error 8.

5 years ago

Hi this schematic was created by me a few years ago. Don Kleinschulz has a website http://donsthings …In: K40 Schematic

5 years ago

Hi Michael, the IN and LO signals are part of a wired diode gate within the power supply. So in th …In: Alternative PWM Wiring possible?

5 years ago

A common issue with a line starting from zero is a bad ground which causes the pwm signal to be just …In: error egraving

5 years ago

Hi, you can wire up two stepper motors parallel. Just connect the same coloured wires. However the …In: Mini-Gerbil: possible to use two stepper-motors on y-axis?

5 years ago

Hi, when the controller only homes on one axis then the issue can be a swapped wire (gnd and input s …In: Homing not working correct

5 years ago

Hi, the gnd points are connected to each other via a copper track on the PSU board. Best to measure …In: Etching leaving Profile Marks (Ghosting) and Traverse Lines

5 years ago

Thanks dbtoutfit, that's a great outcome. In the stock psu, the various gnd signals are the sa …In: Etching leaving Profile Marks (Ghosting) and Traverse Lines

5 years ago

Hi Pablo, Please can you email (dan@awesome.tech) us some pictures of the power supply terminals …In: Mini Gerbil with FSL hobby laser 5th Generation

5 years ago

Hi Ben, make sure that the limits are working. Mechanical limits just needs the ground signal whi …In: K40 freezes half way

5 years ago

Hi Simon, the TL signal might need an additional pull up resistor of 10kOhm. The resistor goes betwe …In: Mini Gerbil in 60w Lasercutter with different Power-supply

5 years ago

Hi Per, our website provider did shut down our emails so we did not get any email thru. Just let me …In: RED LED flashing.

5 years ago

Hi Tom, The difference in Vector and Raster engraving is a result of how the laser beam is used. …In: Poor Quality Raster Engraving

5 years ago

Hi Per, the red flashing led is a diagnostics led. Fast flashing means that the process is working b …In: RED LED flashing.

5 years ago

If you want to home the machine down left, you need to add a Normally Closed Limit switch in series …In: K40 l Lightburn and LaserWeb different movement directions

5 years ago

Hi Barry, I understand the pain since it's a lot of trial and error. Unfortunately you cannot i …In: Digital display alongside lightburn.

5 years ago

Hi Adam, the installation instructions do have also pictures of the second type (connectors instead …In: Installation...

5 years ago

Hi Tobi, The speed is constant but it looks like its going faster because of the turn forwards and b …In: Laser speed increases on smaller parts of fill

5 years ago

Hi Adam, yes you can use a Mac but it has been a while that I used a MAC. So I cannot confirm which …In: Mac compatbility

5 years ago

Hi Rob, yes my experience is to not push it over 16mA. I usually cut 3mm acrylic at 8mA and a few pa …In: Changing Power settings (S Value)

5 years ago

Hi Chris, you might have a defect cable or grounding issue or a bad gerbil. We can replace it when y …In: k40 and lightburn not workig

5 years ago

Hi Rob, You can leave the LightBurn setting for S as 1000 and set the Mini Gerbil S max parm to a …In: Changing Power settings (S Value)

5 years ago

Hi, in order to fire the laser the following conditions must be met: LO terminal must be 0V (co …In: Laser not firing

5 years ago

Hi the laser on/off is done via G-code commands M4 and M5. The LO signal (Laser On) is connected fro …In: Laser not turning off while traveling

5 years ago

Hi, from what I can see is that the Mini Gerbil does connect well with Lightburn. Pls can you expand …In: k40 and lightburn not workig

5 years ago

Hi Pete, light travelling lines pop up when the "LO" signal wire (laser on or enable) is n …In: Traversal Lines have STARTED to occur

5 years ago

Fabulous pics! Well done. Cheers, PaulIn: Some pics done with mine

5 years ago

Hi Mario, this is probably related to a skewed bed. Also if you replace the tube alignments can be o …In: Quality Problems with Engravings

5 years ago

Hi Daniel, you can increase the max speed via the $ settings. The $ settings are the best possible s …In: MAX speed using mini GRBL

5 years ago

Hi Matt, I speculate that there is electrical noise coming thru the limit wiring triggering the limi …In: Alarm 9 Half way through cutting

5 years ago

Hi Simon, What happens when you wire the TL input on the power supply to ground or 5VDC? (Leave L …In: Mini Gerbil in 60w Lasercutter with different Power-supply

5 years ago

Hi Steve, It seems to be a bad grounding earth connection see K40 laser grounding instructions …In: mini gerbil keeps freezing during engraving

5 years ago

Thanks for the update Casey!In: Error messages

5 years ago

Hi Phil, It seems to me that there is an issue with the IN signal reference. If that does not go …In: laser doesn't fire exactly faster than 50mm/s with my K40

5 years ago

Hi Simon, The laser works with two signals LO-Laser On and PWM. If LO stays low then the laser st …In: Mini Gerbil in 60w Lasercutter with different Power-supply

5 years ago

103 and 104 are the A and B axis in the firmware but not used on the processor. We should have taken …In: default mini settings

5 years ago

Installed the board last night (pot not connected) and all is working well, I still like the idea of …In: Potentiometer needed with mini gerbil?

5 years ago

Hi Coen, yes I saw Dan's email so all good. Hopefully it fixes the issue. Cheers!In: Error messages

5 years ago

Hi Simon, the GND on the big connector header on the MG is the common ground. The GND signal is also …In: Mini Gerbil in 60w Lasercutter with different Power-supply

5 years ago

Hi the power supplies need to share a common ground gnd in order to work. WP stands for water protec …In: Mini Gerbil in 60w Lasercutter with different Power-supply

5 years ago

Hi Casey, these are typical electrical noise issues. See if you can rewire or add a capacitor (5V 10 …In: Error messages

5 years ago

Hi Simon, You TL is the LO signal. The symptoms you describe seems to be a electrical noise on the p …In: Mini Gerbil in 60w Lasercutter with different Power-supply

5 years ago

Hi, yes you can wire two y axis motors in parallel. However the stock k40 power supply probably can& …In: Dual Y Motor

5 years ago

Have you tried to lower $30 settings say to 500 and retest? If that does not work that it's lik …In: Unable to increase power above 20%

5 years ago

Yes that looks about right to me. They are normally closed (NC). Cheers!In: upgrading limit switches

5 years ago

Hi, there is no cap, so 100% is the max which is about 18mA on the K40. Running at laser at 100% wil …In: Unable to increase power above 20%

5 years ago

Hi, it can have various causes: Laser ground for PWM is bad hence it intermittently floats (las …In: PWM Control issues (laser is firing more than set in software)

5 years ago

Note M codes don't work when the gantry is not moving in laser mode $32=1In: M3=off M4=on

5 years ago

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