Much more useful would be to enable homing axes individually or Z with custom menu, or even ad-hoc update current position with G92 Znnn (hacky). m114 reports that Z is at 250 after homing, this is weird because I have told the firmware the printer is only 150mm tall! I'm using optical endstops and they seem to work fine on the other axes with the current setup. To do this it moves each axis towards one end of its track until it triggers a switch, commonly called an “endstop. Also, when I change to Marlin mode on the TFT I get nothing. 0 branch; Install TMC2130 driver on both the X axis. #define Z_HOME_DIR -1. Homing to Z-min will not start if Z-max is triggered; Homing on Z only causes a single tap. zip. Prototype printer Set your direction on endstops with this: #define X_HOME_DIR -1 // -1=min (0 position), 1=max (maximum position) Do the same for Y and Z if needed. Home the machine. Homing Cycle Steps. h; Configuration_adv. The easy way to tell if these are set wrong is that, when they're plugged into the right connector, they hop about 5mm in the oposite direction to homing when not at the endstop. Dec 28, 2019 · This issue has been automatically locked since there has not been any recent activity after it was closed. OctoPrint. I don't want to change the T-Rex Marlin firmware. Check the status of your endstop with M119 make sure your new probe is triggering correctly. x to test with the latest code. 1 mm has the motor driving the bed in the right direction but the moment I go higher the motor direction reverses. Connect to your printer from host software such as Cura, Printrun or Repetier Host. Preparing our PC (necessary files) Downloading the Marlin Firmware. Actual behavior. Sign In or Register to comment. Anycubic i3 Mega S. Oct 22, 2020 · Home your machine. Posts: 24. I got myself the Ender 3. No Sep 9, 2020 · M119 shows them as open, and they do not show as triggered when I manually depress one before I run M119 On the more pressing issue (I would like to resolve the endstop issue after I resolve the homing direction) I now tried reversing the stepper plugs. h” file. The Home position is about 1 mm left and 2 mm in front of the front left corner. I downloaded the 2. // Invert the stepper direction. this wasnt an issue as marlin seems to be able to recognize this. Text editor (Notepad, Sublime, Atom, etc. 5. The macro from @grant gave out or range when I try to move the gantry down so I change the approach: SET_KINEMATIC_POSITION to desire distance and move to “zero”. Homing to the Z max is bad. Jogging the control buttons in CNCjs moves X+ to the right, Y+ to the front and Z+ downwards. Printer model. Oct 9, 2021 · As the title states, my machine homes in the wrong direction. 2 purchased from V1 store. This is good. It required two "on" signals in a row, and it checked at varying intervals, on each call to the stepper ISR. Hardware endstops are electrically connected to the endstop ports of the printer control board and will provide a signal when the endstop condition is met. Change (or reverse the motor connector) if an axis goes the wrong way. Dec 30, 2021 · $\begingroup$ For future readers, I would not recommend trying this. You may still want to do that. My Configurations. When I try to move it by hand it works OK. I just changed the control board in my custom delta printer from a BTT SKR Mini e3 v3 to a BTT SKR 2 and when I try to recover a print the z axis moves moves Roxy. The software end stop tries to detect if the nozzle runs into any obstacle while moving and shuts down the motor. Jun 23, 2020 · G28 Y does not work with CoreXY and sensorless homing G28 X is OK G28 Z is OK. BUT before doing all of that, make sure you calibrate your steps per mm. I edited the section in marlin firmware: // Direction of endstops when homing; 1=MAX, -1=MIN I know how to change the axis directions for general moves in marlin. So fix that. Should home to the MINs. Marlin Builder: Configure Marlin via web. Hopkins January 4, 2019, 5:17pm 4. A test would be to try switching homing to max. Issue is the same using G28 or AutoHome from control panel. this will let you figure out where the printer thinks x =0 y=0 z= 1 is and you can change the center accordingly in marlin. On older marlin fw, printer has always performed reliably. In KiriMoto I create a G-code file and start this in CNCjs. x from scratch. So the short answer is this: Move the endstop to the bottom, and home down. Assembling to an Ender 5 Plus. My Y should home to it's maximum position so I have. When you first start up your machine it has no idea where the toolhead is positioned, so Marlin needs to use a procedure called “homing” to establish a known position. for my endstop settings. Feb 13, 2022 · After building and installing latest bugfix firmware on my CR10S5 with a BTT SKR E3 Turbo, I try to autohome and the x-axis runs the wrong way and crashes if I don’t kill the power, after auto-homing a second time or two, the problem goes away. so could be either reversed, phases connected wrong, or motor driver bad, etc. April 11, 2017 11:01PM. This is due to something called "Z safehoming is enabled". Bug Timeline. The Z-axis is homing in the wrong direction and the Y-axis still bumps into the frame. g 3. It sent the code. Protean-Man closed this as completed on Aug 5, 2020. Apr 11, 2021 · XYZ motors all move in the correct direction when testing. July 2022. The X location will be set to X_MAX_POS when homing in the + direction. g. Nov 21, 2020 · Sensorless Homing only works in negative direction. If the nozzle was off the bed in both directions, input these measurements as negative X_MIN_POS and Y_MIN_POS values. #define USE_ZMIN_PLUG (should I be using zmax though since the bed is zero's all of the way down which would equate to a maximum height of the print head) #define USE_YMAX_PLUG. Sep 9, 2020 · I have tried both inverting the logic and leaving it as the default which other Ender 5 User have done. Continuing the discussion from Z axis homing in the wrong direction: If so, you might need to set up Z_SAFE_HOMING to use a probe for homing. Posting your configuration. Use a multimeter to determine which pin on the endstop is open and which one is closed by default. bin" should be used if the BlTouch is connected to Z-STOP. "steppers are swapped". but setting invert_x_dir to false did work, thanks for the help:) Reply. Okay, X is moving to the right, but Y is moving to the front. Checkout latest bugfix 2. So when you increase Z the bed will need to go down to make that z higher lol. ” Marlin knows where the endstops are, so once all the endstops have been triggered the position is known. $23=3 Bottom left. Jun 20, 2023 · In cases where an Ender 3 fails the homing process due to an inoperational auto bed leveling probe, you will observe that the X and Y axes are homing as usual and activating the limit switches without issues, but the Z axis does not move at all, and eventually, the “homing failed” message pops up. 1. By default, the homing cycle goes through the following steps: Z axis Jun 12, 2020 · It’s possible the axis direction is reversed (inverted) in firmware. The machine is CoreXY and was working perfectly for some time before hand. So in OctoPrint -> Settings -> Printer Profiles -> my printer -> Axes -> Z axis "invert control" checkbox is checked on mine. Give it a once-over, plug the connector back into the motor, and you should be good to go. home move to min endstops X,Y and Z. If your limit switch keeps on getting triggered before the nozzle reaches it, it might be due to the software end stop. 9. Sep 6, 2020 · Future124 commented on Sep 6, 2020. Z axis moves in the wrong direction while homing when only when recovering a print. $\endgroup$ – Re: CoreXY Homing is wrong direction. Re: Z homing in wrong direction. Aug 9, 2021 · The homing should start when homing to Z-min, even if the Z-max is triggered; The homing should double-tap, just like X and Y. Registered: 11 years ago. To do this, there is a configuration section in the printer's menus. Repetier. This seems likely as OP said: noticed that movement below and including 0. When I set it as define X_MIN_ENDSTOP_INVERTING true M119 reports xmin and ymin are open. Version of Marlin Firmware. Manually move Y axis is OK. If you have the top configuration, that would be 3 into 1 and 1 into 3. 12. Posts: 552. Marlin is a huge C++ program composed of many files, but among the most important are the files that contain all of Marlin’s compile-time configuration options: Configuration. bin" and using Z-STOP, works perfectly. X and Z are moving the wrong direction when I command them to move on the TFT. Did stop the wrong direction but I likely have something else wrong as it doesn’t move at all now. I am totally new at this as the printer died 6 years ago with the original Marlin / Melzi setup. coupler's thread) or to introduce errors like too loose screw (we had this before). Y and Z axes are fine. It is possible to home towards ZMAX - simply specify "1" as homing direction instead of "-1" in Marlin and set the "MANUAL_HOME_POS_Z" (or similar) to the distance between bed and ZMAX. During G28 homing, expected behavious is for printer to home to lower left corner for x,y (0,0) and for Z to home towards bed for z (0). (or any other stallguard supported driver) Config marlin to use TMC2130 and Sensorless homing Hi, I have paused my work on a Hypercube and modified something on the Marlin firmware. Also the homed position is at X220 Y220 and not X0 Y0 like stock. I’d get the switches sorted out first, then the rest of homing will probably work as you Nov 27, 2018 · Hi At last a solution , thank you verry much !!!! A Verry Happy Christmas to you and all my wishes for 2019 Regards Guido From: Bob Kuhn Sent: Sunday, December 23, 2018 10:16 PM To: MarlinFirmware/Marlin Cc: garaguido ; Author Subject: Re: [MarlinFirmware/Marlin] How can I set the coordinates in Marlin for homing the printhead 0,0,0 in stead of center to the bed ? Apr 20, 2017 · You shouldn't swap X_MIN_POS with X_MAX_POS when homing in the + direction. Steps to Reproduce. July 14, 2013 03:46PM. perhaps see where the 3d printer thinks it is in 3D space. I have tried inverting the axes and it has no effect. I use an Ender 5 frame, so the endstop is at max position (220 x 220). Lift the bed and make sure there is not a wire bundle or something else blocking the bed travel. I followed Creality’s setup process with lightburn, was about to get the laser to connect appropriately, however, it attempts to home in the opposite directs of the limit switches. I installed my V3 yesterday with "firmware-ender3-bltouch-for-z-homing. I just need to change the homing direction in the firmware. 0 with built in tmc2209 drivers, when homing a second time or when going to auto bed level after homing, x and y axis start from where z safe homing position is at the center of my bed (150,150) thinking its a 0,0 position and crashes as it thinks it at 0,0 when it Jan 29, 2023 · I did find that ! function in the command ref after posting. This maybe because of PNP/NPN type probe. Now, the hotend center axis is 11 mm from the carrier plate with the "Mk 10" cooler mounted right onto a pair of 5 mm pegs that are part of the plate. The only downside to homing in the +X direction is now you need to be VERY precise with the X_MAX_POS value or your 0,0 location will be off. Mar 6, 2023 · Hey all, recently obtained the 5W Creality laser for the Ender 3v2. Introduction to Marlin 2. But when I try to home its backwards. October 31, 2017 04:43PM. For homing etc. Jun 12, 2020 · It’s possible the axis direction is reversed (inverted) in firmware. My issue is that the AXIS are moving in the right direction. Registered: 13 years ago. Description All motors are running in reverse direction. It’s possible the axis direction is reversed (inverted) in firmware. Enable DEBUG_LEVELING_FEATURE and M114_DETAIL and re-flash the firmware. We have to go to Configuration - Advanced Settings - TMC Drivers - Sensorless Homing. With either true or false, M119 does Sep 24, 2018 · It had to do with the way it sampled, I think. $23=4 Spindle down home location. G1 X0 Y0 Z1 F10. X axis seems to be bumping into the right front, every time while homing. I had tweaked little bit of Marlin, but I'm a beginner and I don't understand it completely. Stock board. When moving Y-, Y+, & X+ the carriage would only move in the X- direction. Compiling Marlin from the bugfix version present on here. The endstop position determines which direction the motors go to get to the endstop. If both turn the same direction (at the same speed with the same pulleys), the X-axis will move, if they rotate both in a different direction (at the same speed with the same pulleys) the Y axis will move (see image of CoreXY kinematics below). cross plug the X & Y steppers. Mar 27, 2018 · Configuring Vref In order to measure Vref you first need to turn on your printer as you normally would. ) Download Arduino IDE (Option 1) Download Visual Studio Code (Option 2) “Configuration. 0x) Hey guys, So I recently finished building my custom CoreXY 3D printer but I’ve noticed the z axis movement always goes up and away from the nozzle which makes it impossible to home my x axis! Ive tried manually moving the x axis to see if that makes any difference and noticed that movement below Aug 7, 2023 · Let's look. The probe needle lowers, and instead of moving down to the bed, it moves up, away from it. I didn’t see an easy way to change that, since it’s just part of the standard menu screen. bugfix-2. Opto-endstops are usually non-inverted and mechanical are inverted. It's set to home to min in firmware. The switches are plugged into the wrong ports on the control board. so i tried setting the -1 to a 1 and it wouldnt compile. No response. Research that. My understanding is that home should be the front left corner of the printer bed, when I move carriage right (x direction) or up (y direction) both values for x and y position increase and are positive. Feb 12, 2019 · $\begingroup$ That does sound like your ZMIN endstop might just be faulty, or attached to the frame very weakly. Only X axis wrong direction ( Move to Max) Steps to Reproduce. Test again. . Actual behavior: Mar 1, 2018 · Here is the boilerplate: Download Marlin bugfix-1. When Z is moving for what I Oct 28, 2019 · 4. After that flash I was homing in the wrong direction. x. bin:" should be used if the BlTouch sensor pin is connected to Z-PROBE, and "firmware-ender3-bltouch-for-z-homing. Sensorless homing works fine and all endstop are in the correct position. h until I am blue in the face. Dec 5, 2021 · Purchased SKR2 and TFT screen. controlled by CNCjs on a PI3B+. When I set the endstop logic so its always triggered, it homes in the right direction. Jun 12, 2020 · ttraband (Tom Traband) June 12, 2020, 1:21am 4. you have to go into the homeall. THE PROBLEM is that homing causes the gantry to move UP instead Isamu2040. Configuration Files. After hitting the endstop, Klipper now knows that the bed’s origin (X=0 / Y=0) is position_min millimeters away from the current position". This seems counterintuitive and I don't recall whether this was the case a few weeks ago before updating software. Additionally, you may also observe the Jun 12, 2020 · It’s possible the axis direction is reversed (inverted) in firmware. whats wrong? I using esp32 board. If those two things fail to produce the desired outcome, then make sure you haven't accidentally reversed Dec 3, 2020 · SKR V1. If things then work as expected, you’ll need to invert the axis Mar 15, 2024 · In it, it states: " * Homing towards position_min. x, I edited the new config files and it was failing to compile. Its better to not enter anything for this parameter, klipper will decide whether or not it should be true based on the above parameters. There are two things that can affect motor travel when homing. GSP. Posts: 6,897. Don't reverse any direction pins, just physically swap the two motor leads. Using the “Auto Home” in the “Movement” menu on the LCD will attempt to home all 3 axes. (Almost done) Replace the terminals for the chosen coil back into the connector housing into the flipped positions. When homing is done in postivie direction, the axis does not stop. Hardware endstops. Reply. There might have been more cumulative overhead associated with endstop testing, but since most of the time endstops are turned off it amounted to only one bool test per stepper ISR when not Re: Homing - Reverse Direction? « Reply #1 on: December 19, 2019, 11:36:40 AM ». Jun 30, 2019 · Yesterday I updated to the latest version of Marlin 2. Actual behavior: Apr 3, 2020 · Marlin 2. Learning to hash through the log file will probably clarify somethings. Quite deep inside. This blog post shows 3 main solutions: Flipping the motor cables (As suggested in the other answer) Switching the x and y-axis: This may switch the direction of your y-axis depending on the way your printer is setup) Change the direction of the axis in firmware which you can see below how to do: "When the solution opens up, you will see many Sep 26, 2022 · Disable The Software Limit Switch. Posts: 7,014. 4. Use a caliper or ruler to measure the distance between the nozzle and the edges of the print bed in both the X and Y direction. 3 with Marlin 2. The config file is set up with z homing direction -1 as normal with the define in place for seeking Z-Min. For min homing you need homing direction -1 or x min will not checked. 2. Klipper starts moving in the negative direction (usually to the left for X and to the front for Y) until it hits the endstop. If you turn it the wrong way, you might get that sound again, turn it the other way and it should rise. What you’re interpreting as moving in the wrong direction is the second part of homing where it moves off the switch. $23=2 Bottom right of your work area to be the home location. Ok, We can now take care of tuning in sensorless homing. May 13, 2016 · 7,338. 4 homing in the wrong direction? Try to check the confiuration for your endstops and how they are connected to the ramps (or any board you're using). 2. Oct 13, 2021 · Default setting ($23=0), the home location is the top right of your work area, with the spindle all the way up. If it moves wrong direction there is a invert y flag: #define INVERT_Y_DIR 0. If you didn't say "When I move the z axis up or down it moves in the correct direction" I would say you just need to change the #define INVERT_Z_DIR true setting. The homing cycle depends on the state of the switches being properly reported and interpreted. G28 X Y which basically says home X and Y only. Using 2209 drivers. Acting like this would quickly lead to wear of hardware (e. The Duet has Gcode scripts for homing. x or bugfix-2. Jog to each axis extent (how far you want it to travel), use the numbers in the dros to configure your grbl max travel settings. The switches are wired incorrectly. As I want to change to an e3D v6, which has a diameter of 22 mm, I will have to move In the tools section of fluidd when clicking the up arrow the z axis moves down. The problem now is when I home the X-axis the axis just moves about 1cm in the wrong direction and then it stops. If all the above settings are correct and its still homing in the wrong direction, you can force it to home towards positive by setting the below in the [stepper_y] section. Fysetc display (FYSETC_MINI_12864_1_2), BLTouch (probe and Z endstop) Bed Leveling. Configuration. h and configuration_adv. 1 Like. Mar 25, 2023 · So my Ender 3 with a BLTouch running on a BIGTREETECH SKR MINI V2. If things then work as expected, you’ll need to invert the axis Apr 10, 2021 · X axis Wrong direction when Homing All axis, another axis Normal, when jog, all axis normal. Okay, that's the bottom left entry in the chart. Make sure you can manually slide it full stop with the bed up. Jan 5, 2022 · Try to start homing X or start auto home. Additional information & file uploads. Dec 23, 2012 · This should be the same for all of them if you're using all the same type of endstops. I have just built a low rider 2 with dual end stops, everything is moving in the correct direction but when I home the Y axis it moves in the wrong direction (-Y) I’d like it to home +Y, X and Z work correctly. Configuring Marlin. g and homez. Jan 2, 2020 · Configure Marlin 2. when I try to tell them to home just x There is a place in configuration. Issue the command M111 S247 to enable maximum logging. Sep 27, 2021 · When I use Octoprint to move the Z-axis, down button moves down, up button moves up so the motor polarity is correct. The driver died and the issue appeared. Is it the homing speed and where can I change the homi Oct 5, 2021 · George March 6, 2023, 5:07pm 7. h where you can set the place and offsets of homing and switch the movements to go in the other direction. see which way it goes left right forward back up down. The wrong set of endstops is enabled in the firmware. On mobile but will let you know which setting that is. Okay. Don't forget to set a max Z height that falls within the printer volume, e. (this was working before) Now my Z_SAFE_HOMING is not working. 19 I tried setting negative X steps, which DID initially work to reverse the motor, however, X homing did not work, the toolhead hit the end stop forcefully and caused the servo to jump/skip (luckily not causing any damage). Expected behavior. h contains the core settings for the hardware, language and controller selection, and settings for the most common features and components. So which probe is it, cause because of that your Z_Endstop has to be set to True or False which indicates normally open or normally closed. I am having same issue with skr mini e3 v2. This happened both on stock firmware Sep 10, 2020 · I’m running SKR 1. Shawn. Put the red one on the potentiometer and the Black one on the Gnd pin. Electronics. To make them move in the correct direction, I had to set the X and Y_INVERT_DIR to true. Use actual gcode or the simpler pronterface. The position_endstop and the dir_pin. 0. When I do a G28, it correctly does the X, then Y, but now the Z is not done in the center of bed (I have bltouch) and the speed/noise from the Z axis is much higher. #define USE_XMIN_PLUG. SKR Pro 1. a properly working motor driver would never do that. When moving in S3D. On Marlin 1. I was working on enabling sensorless homing, it was homing in the right direction the first couple times I compiled I got frustrated and went to bed, next day I said screw this, and got marlin 2. h to show that the firmware is set up move the motors to Max when homing. Replacing the faulty driver with a new one fixed the issue. ago. My problem is that the Z axis moves in the wrong direction while homing. Registered: 12 years ago. 8 for a year or so and I decided I would update it to Marlin 2. buyme Jan 3, 2019 · I also note that on my printer the bed moves up and down rather than being stationary like many out there. jeffeb3 (Jeffeb3) November 4, 2020, 11:51am 23. Conversely, just manually move the Z axis with the printer on via the LCD screen. I solved this by changing the pins in the pinout file of my board (changed x/y+ to x/y-). Host Software. I am completely new to marlin so I could have done everything wrong, but, everything works except homing. 3. Is something like: // Invert the stepper direction. Jan 2, 2022 · Unless I am mistaken "firmware-ender3-bltouch. Even in this state, it still homes to max when told I didn't have this problem when the SKR Mini was installed and I didn't edit the marlin firmware aside from changing the probe and cooling fan pins for this board, so that should rule our a firmware problem. any advise would be greatly appreciated. Is there a way to tell it when I am doctoring up the G-code to home the Z at at y = 5 mm x = 200 mm? These settings are not compatible with the Ender 5. Try to get the bed 50mm up before auto homing. After wiring it up and issuing a home command, it works as it should for the most part - the probe needle darts in and out and retracts when it is pushed in a bit, etc. homing_positive_dir: true. Admin. My nozzle hit the bed pretty strongly on my first try (the Nov 18, 2021 · What I did with Marlin was define a custom menu item for homing only X and Y. That should change move direction. Let's upload a new build to the mainboard now, to fix the motor direction changes. From the top menu go to Configure>Control and then select Homing/SoftLimits. If things then work as expected, you’ll need to invert the axis Oct 7, 2022 · To get the true working size of your machine. Sep 10, 2020 · When M119 doesn’t report the state of the switches changing when you manually trigger them, I see 4 possibilities: The switches are mechanically faulty. Now ABL gives repeatable results over pretty much the whole bed. . h; The print starts off with a boundary line in the middle and goes off the bed on the right corner to print. Direct bin install, no local compilation. When I tell it to move using the movement menu, the x and y correctly move in the right direction. g files and change the negative Z values to positive and vice versa to change the homing direction. Homing in wrong direction on SKR 1. Bug Description Homing action failed when nozzle if not close to endpoints. Hello All, I have been plagued by this for over a week trying to resolve this problem. S3D has setting to invert the axis so should not be used for diagnosis of direction. Step four. Please open a new issue for related bugs. You need to turn on your multimeter and set it at 2v. x: Configuration. Posts: 7,045. My Z axis are homing in the wrong direction! I downloaded your config file, and I didn't notice anything wrong. 7. October 07, 2017 01:58AM. The latest release doesn’t do that, but it fails auto Z align for no apparent reason… Jun 30, 2020 · So I'm using TH3D firmware on my CoreXY printer and when I move it from the LCD it moves correctly, but when I try to home X or Y it goes in the wrong direction. When Homing, all axis moving to Min. switch between 1 and 0 depending on what it was set. I have also done this with G-codes to confirm operation. h may also help. You have zmin endstop (or probe) then Z_HOME_DIR should be -1 and should be plugged into z min on ramps. If these are wrong, your prints will be backwards on the bed. Then either the home was not all the way "home" or the size specified for the Y axis is too large or (most likely) something is getting in the way. For a CoreXY printer to move an axis (X or Y) it requires both stepper motors to turn. 7 TMC2209 with sensorless homing on XYZ. Only when Homed they will move in the wrong direction, even after I deliberately inverted motor direction. $23=1 Top left home location. The community of r/FixMyPrint will help you fix your 3D printer settings for the most optimal prints. G28 X, confirm it's OK; G28 Y, No move on Y; Expected behavior: [What you expect to happen] G28 Y works, (Y goes to Y Min) Jul 28, 2020 · All movements were in the X- direction. If I try to home the X or Y axis the machine goes away from the endstops. May 21, 2017 · As I am using sensorless homing with my board the diag pins for x and y are hardwired to x min and y min. Re: Marlin/ramps 1. 8. Lastly. h and config_adv. cycle the 3d printer off/on then send the command. 2 Aug 16, 2021 · During G28 homing, expected behavious is for printer to home to lower left corner for x,y (0,0) and for Z to home towards bed for z (0). Jul 2, 2020 · Z homing is often. 2 pre-configured firmware from BIGTREETECH's Github open it in VS Code and do the usual: Mar 16, 2023 · When M119 doesn’t report the state of the switches changing when you manually trigger them, I see 4 possibilities: The switches are mechanically faulty. Re: Z moves wrong direction when home marlin 1. If you only connecct using USB, but not external power, you get a wrong reading. May 29, 2020 · All motor directions are correct. Perhaps it worked at one time, but was probably a bug. Steps to reproduce Direct swap of creality default board to the SKR mini V2 Install ender 5 firmware from BTT repo. when controlling the machine manually with the LCD controller every thing moves in the correct direction as it should. These settings could perhaps be based on an earlier unit of the Ender 5. I need help, I installed a fresh copy of the firmware on Re: CoreXY Homing is wrong direction. You are going to have a horrible time calibrating your machine homing from the top. 1 Core XY TMC2209 XY SensorLess Homing. Here is the homing direction settings in marlin configuration. ABL Bilinear mesh. For i3 style printers you’ll need to move gantry down after tall prints and homing will crash the Z in upper frame before go down. The first column is Home Dir where you can select the homing direction for each axis. If nozzle is close to endpoints then there is no issue Sep 9, 2020 · I think it is homing in the right direction but the switch is seen as already triggered. Add-ons. I think Creality changed the endstop/homing position at some point. The default for Marlin and for the othert Ender 5 Users is: define X_MIN_ENDSTOP_INVERTING false When I have it set as that, M119 reports triggered on xmin and ymin. This laser came with a Falcon module, which connects to the laser itself, and X and Y motors and limit switches. CoreXY-SKR-Pro. Your Slicer. #define INVERT_X_DIR true Re: z axis homing in the wrong direction. using a bed probe sensor or a min Z endstop, you need to home towards a decreasing height (in the direction of your probe/endstop): // Direction of endstops when homing; 1=MAX, -1=MIN. Home is left rear corner with Z moving up. Registered: 8 years ago. Figure 2: Most common endstops (left to right): Micro switch, optical endstop (light barrier), hall sensor (magnetic) Regardless of the type the basic way of working is May 9, 2021 · But the T-Rex has a Bltouch and it goes to the middle of the bed to home the Z-axis. One Ender 3 user kept experiencing this issue. You are increasing your z height, not the bed height. Set XYZ zero. I know the common answer to moving the wrong way is to flip the motor connector, but for homing to work all the firmware sttings need to agree on direction. 0 mainboard has been working just fine on Marlin 2. I’ve go through the laser set But unfortunately the home process seems wrong (see end of video), going in wrong direction in both X and Y axis: youtube video here Auto home: What am I doing wrong? The thing is the axis are moving in the right direction when I test from the LCD and the homing setup looks correct: Mar 8, 2021 · Furthermore, it matters where the Z endstop is located, e. homes moves to max where there is no endstop and Sensorless homing stops working too #3dprinterproblem #3dprinterhomingproblem #3dprinterXYZAxisProblem #3dprinterHomingFix #fix #fixIt #metal3dprinterSupport Me:Buy Me Coffee: https://www. Here are my motion settings: Sep 21, 2020 · 8 participants. mxzf. Z moving wrong direction (Marlin bug fix-2. Prusa Slicer. I have been through Marlin config. alibas05 • 1 yr. oz gl ng un yh hc ki ct tj tn