Notes. I varied sensitivity from 0 to 250, but nothing changed. When I send an M119 (endstop status code) I recieve: Send: M119 Recv: Reporting endstop status Recv: x_min: open Recv: y_min: TRIGGERED Recv: z_min: TRIGGERED And then when I press down the X endstop with my hand I get: Send: M119 Recv: Reporting endstop status Recv: x_min: open Recv: y_min: TRIGGERED Recv: z_min: TRIGGERED -No change. This will make the Z Endstop trigger. When I send an M119 command it tells me X is triggered, even when nothing is connected. Expected behavior: Axis home I have a 3DTOUCH probe as well. (tried both states) Other 2 axis work find switching. In Pronterface sending M119 gives me x_min: open, x_max: TRIGGERED, y_min: open, y_max: TRIGGERED, z_min: open, z_max: TRIGGERED. the endstop pull ups are needed if you use mechanical endstops, comment them out if you have optos if you use mech endstops, only use the 2 outermost connctors on the board (not the + pin) only S and - for optos use all 3 if you send M119 and all is high you need to invert the endstops in marlin When sending the m119 command.all switches show open except z min,which shows triggered. When the LEDs on the sensor and EZABL board are on z_min should show TRIGGERED. This is preventing the motor for moving the -X direction altogether. It should look like the screenshot below: When the LEDs on the sensor and EZABL board are off z_min should show open. When i press "home" in pronterface,the z axis goes UP just a fraction and stops,and will not go down. X-Axis: Endstop is on the -X side. I am using my own customized version of marlin on RAMPS 1.4. Stops when it hits the endstop. My first issue is the Z_MIN setting is always TRIGGERED when I run a m119 command. If the endstop sw is pushed in by han It does not stop when it hits that end stop. Most recent Marlin 2.x bugfix G28 XY. Is it a firmware setting I need to modify? End stops are wired to C (COM) and NC. I am also using an inductive sensor. In open loop systems, endstops are an inexpensive way to establish the actual position of the carriage on all axes. Re: Z Stop Always Triggered Post by Ryche » Fri May 06, 2016 5:32 am I talked to Customer Service and they determined the board had a bad pin (the Z-Min port). In the procedure known as “homing,” each axis is moved towards one end until the endstop switch is triggered, at which point the machine knows that the axis is at the endstop (home) position. I have a strange problem with the z-endstop,using mechanical switches. It also does not change when a switch is attached. Steps to Reproduce. However, it does stop when I manually trigger the endstop when moving towards the -Y side. Once you change the switch position (EZABL Pro) or the wiring re-run the M119 test. This may have side-effects if using SD_ABORT_ON_ENDSTOP_HIT. I can onl The results are actually: SENDING:M119 Reporting endstop status x_min: open y_min: open z_min: TRIGGERED I have tried changing the Z_MIN_ENDSTOP_INVERTING to true, did not work. I'm having a bit of trouble wrapping my head around the configuration of the marlin firmware. Does anyone have any solutions or suggestions? M119 always returns TRIGGERED (or OPEN if I flip the connector) for Z min. Problem: The X axis Endstop is ALWAYS triggering, regardless of the switch state. UART connection works fine, but X and Y endstops always show as "TRIGGERED". Jumpers on the SKR are closed any I ensured that there is an electrical connection between the DIAG pin and the endstop. 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