Questions tagged [bltouch]

For questions about the BLTouch automatic leveling sensor for 3D Printers.

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BL/CR Touch firmware problems

I have been having serious issues compiling a version of Marlin 2.0 that will work with the CR Touch for my Ender 3 v2. I have re-flashed the same firmware (with a different name of course) multiple ...
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0answers
19 views

BLTouch not probing all points and motors making really loud noises since rebuild of latest Marlin (new hot end installed and BLTouch)

Please listen to this video, which illustrates the issue, with the sound on. Link to configuration.h and configuration_adv.h ...
4
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1answer
42 views

Creality Ender 3 Pro - Z travel issue with TH3D firmware

TLDR - I’ve just driven myself insane trying to fix what I thought was a physical problem with my Z-axis, but it seems to have been solved by switching from the TH3D firmware to the Creality firmware. ...
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0answers
17 views

Z-axis rising from bed after BLTouch and homing

I have an old Ender 3 printer. I have let it sit for a year without anything to print. Nothing major has happened to it like falling or setting things on the printer. It has an old BLTouch. I set up ...
2
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0answers
35 views

CoreXY mesh probing issue

I am trying to compensate for bed leveling by measuring a mesh with my Z probe, a BLTouch, and I am unable to do so. I am using RepRap firmware version 3 and have a CoreXY printer. The first thing I ...
3
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1answer
80 views

Automatic Bed Leveling (ABL) with a sensor (BLTouch, inductive, capacitive), how does it work?

A frequently discussed update to a 3D printer is the so-called leveling sensor; this sensor can be inductive, capacitive, optical or mechanical (i.e pressure or physically touching, like a BLTouch). ...
4
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2answers
42 views

BLTouch always shows high on right side of the plate

My BLTouch was working great. Until one day, it just started showing the right side as being high on every read. I've tried leveling many times manually and with the BLTouch. But every time I use the ...
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14 views

BLTouch goes behind print bed

I want to install Marlin 2.0 on my CR20 Pro but when I try to level the bed it goes behind the bed (in my direction on the Y axis). Here is my bed config: ...
1
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1answer
70 views

Ender 5+ stops while bed leveling

My Ender-5 Plus has started failing. The simplest path to failure is: Power On Settings ▶ Leveling (wait till complete) Tap measuring The first zone will measure properly, then when starting to ...
2
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1answer
100 views

What would cause magic smoke with a BLTouch installed?

I decided to purchase a BLTouch for my Ender 3 V2. I did all the physical installation of the BLTouch at the same time as adding LED lighting. I plugged in the power to test the lighting (BLTouch was ...
2
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3answers
159 views

BLTouch type sensor Z not compensating

I have a BLTouch clone (3DTouch) on my printer (Artillery Sidewinder X1). I installed it on the printer ages ago and has been working fine since. Recently, I did a BTT smart filament sensor upgrade. I ...
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51 views

BLTouch not levelling correctly (it does seem to work, just not accurately enough)

My setup Ender 3 Creality glass bed Creality 3D BL Touch auto bed levelling kit v1 Creality 3D silent mainboard v4.2.7 OctoPrint running on a Raspberry Pi 4 connected over USB (with the 5 V pin ...
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1answer
167 views

How do I change Z safe homing coordinates in the G-code , not in Marlin

I bought a Vivedino T-Rex 3 not realizing it doesn't have continue after power failure. I am over it. What I usually do is keep the part away from the home position so if it crashes I can continue ...
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16 views

Anet A8 BLTouch bed leveling starts outside of bed

I just upgraded Anet A8 to Marlin 2.0.x with BLTouch, but my issue is when I press bed level the center is not correct, and when it goes to the first point it is outside of the bed. My BLTouch is back ...
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43 views

BLTouch not working correctly on Ender 3 Pro

First off, I realize how many "Ender 3 BLTouch not working" questions there are already on here, I've looked through a bunch of them and not seen this particular problem. Let me know if it'...
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0answers
23 views

BLTouch problem - bed leveling

I have a problem with my Ender 3 printer with BLTouch v3.1. Firmware from this site. After assembly, firmware upload, Z-Offset setting, initial leveling of the table, the sensor works, but I can never ...
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0answers
30 views

Ender 3 v2 BLTouch 3.1 issue

I'm running into an issue with my BLTouch where it will go through the process of leveling when the print has started but will fail at different points each time then immediately go to start printing. ...
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1answer
67 views

Problem with BLTouch on Ender 3 Pro

I'm having some problems with my BLTouch. Yesterday I got the 4.2.7 silent board delivered as well as the BLTouch and a glass bed. I was able to install the silent board without a problem and ...
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1answer
151 views

Ender 3 Pro with BLtouch + BigTreeTech Auto level not compensating

As the title says, I have an Ender 3 Pro + BLtouch v3.1 and BigTreeTech SKR mini E3 v2.0. I have the SKR loaded with "firmware-bltouch-for-z-homing.bin" but my printer does not seem to be ...
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1answer
85 views

First layer problem

I have Ender 3 v2 with BLTouch and Marlin 2.0.x software There is a problem on the first layer it allows come wrong the last problem I have it is the first layer it is not constant on the bed it comes ...
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0answers
29 views

Ender 3 Pro firmware upgrade fails

Problem with Creality v1.1.4 (Ender 3 Pro) and BLTouch (Creality V1 mainboard - upgraded version). Error when attempting the firmware upgrade. After downloading and executing ...
4
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1answer
66 views

Marlin is restarting when pins 5 Vcc are enabled and has a servo motor connected (RAMPS 1.4)

My printer uses an ATMega 2560 with a RAMPS 1.4 shield, A4988 stepper drivers and a 2004 controller LCD interface. The PSU is 360 W (12 V, 30 A). I bought a BLTouch for my printer, but when installing,...
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0answers
57 views

Ender 3 v2 with Ender 400XL extender and BLTouch not working after installation

I have an Ender 3 v2 and just installed the Ender Extender 400XL and a new BLTouch. I need to modify firmware for the new dimensions of 400x400x500 mm for the new kit. I changed all that and it seems ...
2
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2answers
180 views

How do I know if my BLTouch is faulty or firmware is faulty?

I just got the Ender 5 Plus with BLTouch set up today. I was having some massive issues and determined that my leveling was off because the BLTouch was flashing red and not connecting. When I turn on ...
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0answers
79 views

BLTouch not covering the whole bed area

My problem is that the BLtouch doesn't probe the whole bed, in which the probe starts from the left edge and stops at the middle of the bed. I'm using Marlin 2 software and this the code in the ...
2
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2answers
137 views

First layer Z-offset in G-code

In slicer G-code is it possible to set the probe Z offset for the first layer only? For my stock E3 plate I find -4.125 mm best however for glass I need to go to -4.175 mm for the first layer to get ...
2
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0answers
68 views

3DTouch: G-code to temporarily change probe points and Z home?

I am using a BLTouch clone (3DTouch), and with G28 and G29 in Simplify3D it auto-detects Z home right in the center of the bed ...
2
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0answers
34 views

Ender 3 Pro with BLTouch, partially completes ABL sequence then locks up

I have had an Ender 3 Pro for the last year, and put a BLTouch on it about 6 months ago. With the BLTouch installed for the last 6 months, I have successfully completed hundreds of prints with no ...
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0answers
434 views

BLTouch does not compensate for bed level correctly

Printer: Anycubic Mega S. Mods: BLTouch, Dual material with G-code-powered switch. Firmware: Marlin 2.0 A couple of weeks ago I had a print failure when printing PETG. Now whenever I use auto bed ...
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0answers
320 views

Cannot configure Marlin 2/0.X bugfix on Ender 5 pro, 4.2.7 board with BLTouch 3.1

I am new to 3D printing and recently purchased a Ender 5 Pro. I came and the 8 bit 1.15 board was broken (couldn't run extruder). I upgraded to a 32 bit Creality 4.2.7 and also purchased a BLtouch 3.1 ...
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0answers
29 views

BLTouch not homing correctly

I recently installed a BLTouch V3.1 sensor on my CR-10S pro. I used the "Tiny Machines" latest firmware. When I turn on the printer the BLTouch self tests and turns red. When I go to "...
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0answers
41 views

Ender 5 Pro - Breaking sound when z axis moves down (away from hotend)

I got this printer literally yesterday, at first it was fine but after a few test XYZ cube prints it started making a breaking noise when the Z axis moves down! Please see the video! ...
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2answers
3k views

Ender 3 Pro will not auto home correctly after mainboard & BLTouch upgrades

I made two updates to my Ender 3 Pro: Silent Mainboard and BLTouch. My printer head is way out of sync now. After I Auto Home, it moves along the X-axis to the left, hits the stop switch & moves ...
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1answer
393 views

Z offset not working after flashing TH3D firmware

I had the BLTouch (3.1) working with stock firmware on an Ender 3 v2 but wanted to get a 5x5 mesh instead of the 3x3 so I installed the TH3D firmware. With the stock firmware my Z-offset was -2.95 mm. ...
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0answers
88 views

Should center point of G29 matrix always be zero?

Questions: Should repeated applications of G29 (auto-level) result in the same matrix as long as nothing is loose or has otherwise mechanically changed? Should ...
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0answers
86 views

BLTouch Creality Firmware works, Marlin doesn't

I've had the BLTouch working fine using this kit and following the instructions it shipped with. I wanted to increase the number of probe points so I've attempting flashing with Marlin to achieve this....
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0answers
145 views

Manually level CR-10 V2 with BLTouch

I am using a Creality CR-10 V2 with BLTouch installed. I referenced many articles but seems like I am constantly getting inconsistent information regarding to bed leveling. If I am not wrong, I need ...
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0answers
87 views

How to specify servo pin for BLTouch sensor in Marlin

I have been through a bunch of different examples/tutorials/other threads. But I can't figure out how to let the firmware know what servo pin is used for the BLTouch sensor in the latest Marlin 2.0.c ...
1
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1answer
75 views

Can I use photoelectric sensors to make auto bed leveling on a glass bed?

I'm pretty much a noob to the 3D printing community. I got a Creality CR10 V2 as my first 3D printer and I know it's compatible with BLTouch but not included in the package. So I'm dying to add an ABL ...
4
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1answer
236 views

BLTouch error causing bed and nozzle temp setpoints to change to zero

I replaced my CR-10 motherboard with no problems and ran fine for a few weeks, then decided to add a BLTouch. BLTouch was enabled from the config.h during compile. ...
4
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2answers
220 views

What are my options if I want to install a bed levelling sensor capable of operating at 100 °C?

I currently use a BLtouch 3.1, which is known to stop operating at about 35-40 °C. In fact, when I preheat the bed at 100 °C close to the probe, I sometimes get issues with the pin not retracting ...
2
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1answer
389 views

Understanding of the auto bed leveling process (BLTouch)

I just installed my BLTouch clone (Marlin 1.8) on my Anycubic i3 Mega Ultrabase and finding confusing information about the Z_PROBE_OFFSET_FROM_EXTRUDER or the M851 ...
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0answers
24 views

BLTouch gives a mesh that makes no sense

I've been trying for a long time to configure the BLTouch correctly on an Ender 3 and I only get results that have no sense. I already have another Ender 3 with a BLTouch configured that works fine. ...
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1answer
284 views

How to probe twice while mesh bed leveling with a BLTouch setup

I am using an Ender 3 (v1.1.4) with Marlin 1.1.X bugfix installed. Also BLTouch v3.1 is used. The probe is deployed once only while mesh bed leveling. How can I make the probe deploy twice at every ...
3
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2answers
120 views

Z axis no longer working on a working printer

I was printing an object and it started to drag so I stopped it. Went to move the Z-axis up so I could clear the bed and Z-axis would not budge. I switched the printer off and manually turned the ...
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0answers
136 views

Ender 3 Pro & BLTouch clone issue

I just installed a BLTouch clone on my Ender 3 Pro with a standard 1.1.4 board. The sensor seems to work but is giving me problems. I used the Teaching Tech tutorial on YouTube to install it, but ...
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1answer
683 views

BLTouch does not compensate for differences in bed level

Printer: Ender 3 Bed: Creality Glass ABL: BLTouch Everything else: Stock Few weeks ago I had a meltdown during a failed ABS print. My hotend was completely wrapped in plastic and trying to remove said ...
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1answer
1k views

I can't get G29 to run BLTouch on my Ender 3 V2

I installed a BLTouch probe on my Ender 3 V2 and am able to manually generate the probe matrix and store it in the printer memory, but I can't figure out how to get Cura to run the probe for every ...
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0answers
52 views

Help coding the MIN_POS and x/y probe offsets

I've read a lot of posts in regard to these subjects but I think that the advice is just so saturated it's hard to know what to follow. I've had trouble with my bed min pos and x/y probe offsets ever ...
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0answers
22 views

BLTouch V3 levels accurately on some parts of the bed sometimes or is widely off on others and sometimes scrapes

I'm trying out the new Ender 3 Pro, replaced the Z switch and put the BLTouch V3 in its place and when I try test prints with it after bed leveling, it sometimes print part of my bed on level, and ...