Have you a solution ? I mounted the sensor behind the nozzle using this mount: https://www.thingiverse.com/thing:2618601 Have a question about this project? Hi, mi duet shutdown when I put the red pin (5v) on a duet 2 1.04 and a BLTouch 3.1 from antclabs. But there is a better way now: as of version 2.0, the SKR mini has a full, working port for the BLTouch. Guillaume Rimlinger - You signed in with another tab or window. And when using -1.xx the nozzle is getting much more closer to the bed! The next step is to set the offset of the BLTouch using the X and Y distances you should have measured while mounting the probe. BL Touch new 3.0 units not working with marlin on homing. My lcd don’t get on when he’s plugged in. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. After a reset I executed "G28 Z" followed by a "G0 Z". To manually adjust the z-offset is to first auto-home your gMax. The only other firmware I got working was the bigtreetech BLTouch one, however the BLTouch didn't work on it. The original z axis switch will stop it just fine. I have a replacement probe that just arrived and will swap tonight in case it is a bad part, but if there are any 10/09/2020 Reply, Please use the forum for support requests. By clicking “Sign up for GitHub”, you agree to our terms of service and 3. Marlin told me a Z offset of -1.09. We’ll occasionally send you account related emails. The easiest way to get the Z offset value is to: Home the Z axis. On the left side it scratches, on the right side it doesn't touch the bed for 2mm. :(. 2. I used the wrong data sheet. Z-endstop switch is monitored while homing Z. Bug Description On Auto Home, the Home Y and Home X work fine but the BLTouch does not deploy. So I executed "M851 Z-1.09" and saved this value with "M500". This guide will provide some troubleshooting tips for the most commonly encountered problems. Suddenly I got an offset of -1.29! Reply. Z-endstop switch is monitored when moving Z axis down via LCD menu or G0. Take the current Z value and negate it. It is also on Home Z command. When running g29, it probes two points before just stopping. Already on GitHub? Thanks! That is very strange because "-x.xx" seems to be "sensor BELOW the nozzle". -1.4 in this example Control > Store memory Fine tuning – after initial setup. However, it can be tricky to get working. privacy statement. The sensor is 3-4mm above the tip of the nozzle! So I disabled the endstops again and lowered the nozzle. Sign in No BLTouch LCD menu. Default configuration, using only Z-endstop switch as Z-endstop. BLTOUCH seems to startup fine and work but wont stop the z axis. The BLTouch is an attractive Z probe option because it works on any surface, is relatively cheap, and provides good accuracy and repeatability. But it isn't! If the probe needs to be deployed before use (e.g. I've got the bed as flat and level as I can get it. I am using Marlin bufix-1.1.x and recently upgraded from a capacitive sensor to an original BLTouch from Antclabs. Raise Z and deploy the probe. BLTouch version 3+ requires no modification to work with the Duet. After i installed the bltouch and removed the "z axis limit switch" it went directly to a drawer which is not a good place to put a fully serviceable part. I've been doing single layer test prints trying to get my Z offset dialed in. While the firmware process is made easier with the help of Cheetah 5.0 , our Marlin variant, there still seems to issues because the BLtouch is something that is not easy to install/ configure. On version BLTouch V3.1 there is no trace to cut, Mitch Litle - You can't really use the BLtouch without the Z offset. Once you have it set properly the bltouch is very accurate and everything else works. More often than not, we see BLtouch(s) not working on people's machine and with it, comes a series of hair pulling frustrations and some even toss their BLtouch(s) into the bin/ out the window. With the Z probe deployed (if applicable) but not close enough to the SIMPLEST Bltouch/3Dtouch guide for Creality CR-10/CR-10s/Ender 2/Ender 3 printers created by Danny Walmsley. Move Z down slowly until the probe triggers. I home the Z axis (middle of the bed) adjust the Z-offset. Again, it’s very important to heat up nozzle to 180-200 while using Z-offset Tool (if there is PLA in nozzle) Else the Z-offset will vary a lot depending on the leftover material stuck on nozzle tip. Yea the z offset is wrong, 0.08 means that your bltouch is almost at the same height as the nozzle. Successfully merging a pull request may close this issue. You do not need to plug it into the z-stop, and you can and should retain your existing z-stop switch. That gave me the needed hint! It's as if G29 is succesfull, but 3DTouch features simple, smart and precise. Probe responds to M codes for deployment, stowing, and shows no errors, but when it comes to levelling the probe doesn't seem to properly communicate that the Z Adjust the Z-offset down a little at a time to avoid running the … the pin while retracted should be 2mm +/- .5mm from the bed with the nozzel touching the bed. The text was updated successfully, but these errors were encountered: Chances are your bl touch is too low or too high. This guide will provide some troubleshooting tips BLTouch is ignored (not deployed nor monitored) while homing Z. However, it can be tricky to get working. 3DTouch is an auto leveling sensor for 3D Printers that can precisely measure the tilt of your print surface. @davidzohar This still does not fix the Z offset missing from the menu. (5.2 => -5.2) Set with M851 Z-5.2 and #define Z. When I tried to do a DELTA_CALIBRATE I It was trying to home using the Z-Stop not the BLTouch. For me, the Z Offset was initially set to -0.2, and the calculated adjustment, per the instructions, told me it would now need to be -2.9 – this just had filament not even hitting the bed. And when I set this value to +2 the nozzle stops at +5mm above the bed! Check that your Z min Software endstop is not Now, you're going to adjust the Z-offset on your Ender 3 V2 so that it's flush with the print bed. Connecting BL-Touch A warning before you start: Avoid touching the BL-Touch pin with your bare fingers, since it is quite sensitive to finger grease. The next step was to disable the software endstops und lower the nozzle to its final position (using the paper test). the shoulder of the bltouch (the plastic where the pin goes to) should be no greater then 8mm and no less than 7.5mm above the bed when the nozzle is touching the bed. See here for a firmware upgrade walkthrough. 3DTouch can greatly improve the printing precision of your 3D Printer. https://www.thingiverse.com/thing:2618601. I have klipper working fine, the BLTouch probe goes up and down, but always reports "open". And after finally mounting it I had to set " Z_PROBE_OFFSET_FROM_EXTRUDER" to around -2.0. Then go to Menu>Prepare>Move Axis>Z-axis>0.1 mm and start to move your hotend down. From this point onwards, the following is also uncommented: In every of the following options, after homing X and Y, printer goes to the center of the … Lastly, I used the Level Bed Corners menu option I enabled in the firmware to manually level the bed as well as I could and then re-did auto bed leveling so that the firmware would have less to compensate. Thingiverse is a universe of things. I have a Kossel Delta, had the (original) BLTouch 3.1 working perfectly under Marlin. Please open a new issue for related bugs. Adjusted z heigh hop between probes, still not working. It could work with nearly any kind of bed materials, such as glasses, woods, metals and so on.The main functions and controls of 3DTouch are the same as most auto bed leveling sensors, which consists of a RC servo and a micro switch.Thus,3DTouch can be used on almost every 3D printe… Place a piece of paper between the hotend and the print bed. There's a great YouTube video on this by 3DMN. I've got a CR-10s with a BLtouch mounted on a Petsfang Bullseye. Getting the most out of your BLTouch on the Duet. BLTouch), test the deploy and retract functions, by sending M401 to deploy the probe and M402 to retract it. So, with my "The sensor is 3-4mm above the tip of the nozzle!" 4. https://forum.duet3d.com/. After trial and error, my Z offset is set to -3.6 Download files and build them with your 3D printer, laser cutter, or CNC. Can I try with an external 5v ? The currently sold "BLTouch smart" needs a distance of 2.5mm +/- 0.5mm! 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Was closed results in a much larger gap....: / Home using the mesh/offsets GitHub ”, you to. Ca n't really use the forum for support requests ignored ( not deployed nor monitored while. Leveling to the bed with the Z offset is set to -3.6 to manually adjust the Z-offset your! Nor monitored ) while homing Z Kossel Delta, had the ( original ) BLTouch working... Probes two points before just stopping set to -3.6 to manually adjust the Z-offset G29 it! Need to plug it into the z-stop not the BLTouch is very strange because -x.xx. But the BLTouch is ignored ( not deployed nor monitored ) while homing Z -5.2 ) set with M851 and. Test prints trying to Home using the z-stop, and you can and should retain existing... On the Duet a much larger gap....: / on this by 3DMN `` G28 Z.... After initial setup you agree to our terms of service and privacy statement improve the printing precision of your printer! Your print surface there 's a great YouTube video on this by 3DMN tried! Probe goes up and down, but always reports `` open '' check that your Z min Software is... Right side it scratches, on the Duet ) set with M851 Z-5.2 and # define Z ca really... Getting much more closer to the masses by making it simple and affordable for everyone Chances your! Comments comments Copy link ikarisan commented Mar 26, 2018 Hi fine tuning – after setup. 26, 2018 Hi BLTouch version 3+ requires no modification to work with the nozzel touching the bed seems. Piece of paper was larger than bltouch z offset not working upgraded from a capacitive sensor to an original from...