# Maslow Firmware

**URL:** https://forums.maslowcnc.com/c/software-issues/firmware/22.md

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## [About the Maslow Firmware category](https://forums.maslowcnc.com/t/about-the-maslow-firmware-category/2826)

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**Author:** [@TheRiflesSpiral](https://forums.maslowcnc.com/u/TheRiflesSpiral)\
**Replies:** 0

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I’d like this sticky to contain all relevant information regarding the current stable and dev versions. Please feel free to edit if you get here before I have a chance to do this!

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## [Interstitial Firmware Releases](https://forums.maslowcnc.com/t/interstitial-firmware-releases/20215)

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**Author:** [@bar](https://forums.maslowcnc.com/u/bar)\
**Replies:** 1006\
**Last updated:** [September 29, 2026, 3:19am UTC](https://forums.maslowcnc.com/t/interstitial-firmware-releases/20215 "2026-09-29T03:19:36Z")

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Weekly updates aren’t nearly fast enough so we are ending up with different version in different forums threads which is going to lead to confusion. I’m starting this thread as a place to store all of the versions which…

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## [Ian\_Tolond: Firmware updates, versions](https://forums.maslowcnc.com/t/ian-tolond-firmware-updates-versions/25683)

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**Author:** [@Ian\_Tolond](https://forums.maslowcnc.com/u/Ian_Tolond)\
**Replies:** 2\
**Last updated:** [April 8, 2026, 11:48am UTC](https://forums.maslowcnc.com/t/ian-tolond-firmware-updates-versions/25683 "2026-04-08T11:48:03Z")

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Maslow 4.1 initial setup A. Where via the Maslow interfacer can I determine the current version of firmware and key files? B. YAml file - if this is updated, do you need to re-calibrate (Z axis, also extend all, retrac…

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## [MaslowBot not putting zip extension on firmware-package](https://forums.maslowcnc.com/t/maslowbot-not-putting-zip-extension-on-firmware-package/25540)

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**Author:** [@ian\_ab](https://forums.maslowcnc.com/u/ian_ab)\
**Replies:** 2\
**Last updated:** [February 22, 2026, 4:09am UTC](https://forums.maslowcnc.com/t/maslowbot-not-putting-zip-extension-on-firmware-package/25540 "2026-02-22T04:09:14Z")

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The firmware-package is a zipped file but it doesn’t have the zip extension when downloaded

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## [Size discrepancy when loading different GCode files](https://forums.maslowcnc.com/t/size-discrepancy-when-loading-different-gcode-files/25503)

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**Author:** [@ian\_ab](https://forums.maslowcnc.com/u/ian_ab)\
**Replies:** 5\
**Last updated:** [February 13, 2026, 10:40pm UTC](https://forums.maslowcnc.com/t/size-discrepancy-when-loading-different-gcode-files/25503 "2026-02-13T22:40:16Z")

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When I load a smaller Gcode file it displays with a larger instance than if I load a larger file. The following 2 files illustrate. The first is a 300mm circle the 2nd 2000mm long

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## [Sequence for firmware update](https://forums.maslowcnc.com/t/sequence-for-firmware-update/25486)

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**Author:** [@jjdunes](https://forums.maslowcnc.com/u/jjdunes)\
**Replies:** 5\
**Last updated:** [February 6, 2026, 11:47pm UTC](https://forums.maslowcnc.com/t/sequence-for-firmware-update/25486 "2026-02-06T23:47:06Z")

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I just updated my firmware and index to 1.17, from 1.14. So far just did REAT. Before hitting “Find anchors”, should I reset anything in maslow.yaml? In particular, I have previously set the x and y scale values. Shoul…

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## [Firmware Version 1.16](https://forums.maslowcnc.com/t/firmware-version-1-16/25364)

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**Author:** [@bar](https://forums.maslowcnc.com/u/bar)\
**Replies:** 7\
**Last updated:** [January 5, 2026, 11:44pm UTC](https://forums.maslowcnc.com/t/firmware-version-1-16/25364 "2026-01-05T23:44:58Z")

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Firmware 1.16 is out! You can find it here: Release v1.16 · MaslowCNC/Maslow\_4 · GitHub Please let us know how it is and what can be improved!

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## [WiFi-Connection get lost every day or two](https://forums.maslowcnc.com/t/wifi-connection-get-lost-every-day-or-two/25384)

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**Author:** [@Franz](https://forums.maslowcnc.com/u/Franz)\
**Replies:** 5\
**Last updated:** [January 2, 2026, 9:35pm UTC](https://forums.maslowcnc.com/t/wifi-connection-get-lost-every-day-or-two/25384 "2026-01-02T21:35:29Z")

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Hi, I have updated my maslow 4 with 1.16! What a great step! Everything works now out of the box, no problem with the calibration! But every day or two the maslow disconnects from my Wifi (the blue LED stops blinking a…

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## [Version 1.15 is Out](https://forums.maslowcnc.com/t/version-1-15-is-out/25222)

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**Author:** [@bar](https://forums.maslowcnc.com/u/bar)\
**Replies:** 16\
**Last updated:** [December 2, 2025, 1:37am UTC](https://forums.maslowcnc.com/t/version-1-15-is-out/25222 "2025-12-02T01:37:53Z")

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Firmware version 1.15 is out! It cleans up a couple of the pesky issues that we saw in 1.14 and also adds automatic orientation detection and automatic calibration grid calculation to move us toward the "just press ‘Fin…

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## [Do you already have good experience with 1.13?](https://forums.maslowcnc.com/t/do-you-already-have-good-experience-with-1-13/25141)

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**Author:** [@JURA23](https://forums.maslowcnc.com/u/JURA23)\
**Replies:** 3\
**Last updated:** [November 8, 2025, 11:51pm UTC](https://forums.maslowcnc.com/t/do-you-already-have-good-experience-with-1-13/25141 "2025-11-08T23:51:38Z")

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Hi, I read in various places how the firmware version 1.13 is much improved, in terms of various functions and also a different way of finding anchors. I have currently returned from 1.12 to 1.07, where I have achieved …

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## [Testing Requested alternate calibration calculation](https://forums.maslowcnc.com/t/testing-requested-alternate-calibration-calculation/25058)

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**Author:** [@dlang](https://forums.maslowcnc.com/u/dlang)\
**Replies:** 15\
**Last updated:** [October 15, 2025, 1:24am UTC](https://forums.maslowcnc.com/t/testing-requested-alternate-calibration-calculation/25058 "2025-10-15T01:24:28Z")

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This uses a different way of calculating the anchor point locations from the points measured. It is MUCH faster (deliberate pauses set in the system take more time than the calculations) and instead of a ‘fitness’ score,…

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## [Proposal "Park" functionality](https://forums.maslowcnc.com/t/proposal-park-functionality/25018)

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**Author:** [@dlang](https://forums.maslowcnc.com/u/dlang)\
**Replies:** 4\
**Last updated:** [October 8, 2025, 11:02pm UTC](https://forums.maslowcnc.com/t/proposal-park-functionality/25018 "2025-10-08T23:02:17Z")

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To make changing material and/or bits easier, I propose that a ‘park’ functionality be added. Currently the user can relax tension disconnect the lower belts hang the sled and disconnected lower belts out of the way c…

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## [Tested: PR try to enhance startup reporting](https://forums.maslowcnc.com/t/tested-pr-try-to-enhance-startup-reporting/25007)

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**Author:** [@dlang](https://forums.maslowcnc.com/u/dlang)\
**Replies:** 1\
**Last updated:** [October 7, 2025, 4:31am UTC](https://forums.maslowcnc.com/t/tested-pr-try-to-enhance-startup-reporting/25007 "2025-10-07T04:31:01Z")

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There are some useful logs that show up in the serial logs (via USB) that do not show up in the UI log box This is an attempt to close the gap in the logs, it helps a bit, but is not a full fix suggestions welcome

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## [Ready to merge add logging to try and track down belts spool out slowly](https://forums.maslowcnc.com/t/ready-to-merge-add-logging-to-try-and-track-down-belts-spool-out-slowly/25006)

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**Author:** [@dlang](https://forums.maslowcnc.com/u/dlang)\
**Replies:** 1\
**Last updated:** [October 7, 2025, 3:16am UTC](https://forums.maslowcnc.com/t/ready-to-merge-add-logging-to-try-and-track-down-belts-spool-out-slowly/25006 "2025-10-07T03:16:57Z")

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several people (including me) have experienced the machine just sitting there, running all four belts slowly out and jamming up/damaging belts. attempts to track down what’s happening. it should have no behavior chang…

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## [Tested, ready to merge improve auto update](https://forums.maslowcnc.com/t/tested-ready-to-merge-improve-auto-update/25005)

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**Author:** [@dlang](https://forums.maslowcnc.com/u/dlang)\
**Replies:** 0\
**Last updated:** [October 7, 2025, 3:11am UTC](https://forums.maslowcnc.com/t/tested-ready-to-merge-improve-auto-update/25005 "2025-10-07T03:11:47Z")

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a new feature that has not yet been released is an auto-update feature that will check for a new release the first time it connects to your home network after boot, and if so, it will update both index.html.gz and the fi…

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## [Testing needed disable health checks during file upload](https://forums.maslowcnc.com/t/testing-needed-disable-health-checks-during-file-upload/25004)

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**Author:** [@dlang](https://forums.maslowcnc.com/u/dlang)\
**Replies:** 0\
**Last updated:** [October 7, 2025, 3:04am UTC](https://forums.maslowcnc.com/t/testing-needed-disable-health-checks-during-file-upload/25004 "2025-10-07T03:04:40Z")

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an earlier version of this was tested it disables the connection testing during uploads, but instead shows that communication is locked during an upload. since that test, logging progress of the upload was added, but…

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## [Needs testing: raise to max height then return or probe](https://forums.maslowcnc.com/t/needs-testing-raise-to-max-height-then-return-or-probe/25003)

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**Author:** [@dlang](https://forums.maslowcnc.com/u/dlang)\
**Replies:** 0\
**Last updated:** [October 7, 2025, 2:57am UTC](https://forums.maslowcnc.com/t/needs-testing-raise-to-max-height-then-return-or-probe/25003 "2025-10-07T02:57:50Z")

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This PR attempts to make bit changes easier. It adds a button that will raise the bit from wherever it is to a pre-configured max height (53mm by default) and then if you don’t have a probe, when you hit the button agai…

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## [Testing needed on Pending patches](https://forums.maslowcnc.com/t/testing-needed-on-pending-patches/24947)

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**Author:** [@dlang](https://forums.maslowcnc.com/u/dlang)\
**Replies:** 77\
**Last updated:** [October 6, 2025, 6:31pm UTC](https://forums.maslowcnc.com/t/testing-needed-on-pending-patches/24947 "2025-10-06T18:31:30Z")

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I have worked with the github AI to create a bunch of improvements, there are a few that need testing/review that I have not been able to do. code review and suggestions are always helpful, and I don’t have a machine se…

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## [Firmware Version 1.12](https://forums.maslowcnc.com/t/firmware-version-1-12/24874)

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**Author:** [@bar](https://forums.maslowcnc.com/u/bar)\
**Replies:** 1\
**Last updated:** [September 19, 2025, 1:25am UTC](https://forums.maslowcnc.com/t/firmware-version-1-12/24874 "2025-09-19T01:25:50Z")

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Version 1.12 is out! It’s basically a whole bunch of bug fixes so it shouldn’t look too different, but it should be more stable and generally better. Almost all of these bugs were suggestions from the community here …

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## [Adding kinematicsType for XY machine](https://forums.maslowcnc.com/t/adding-kinematicstype-for-xy-machine/4210)

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**Author:** [@Ned](https://forums.maslowcnc.com/u/Ned)\
**Replies:** 33\
**Last updated:** [September 12, 2025, 5:21am UTC](https://forums.maslowcnc.com/t/adding-kinematicstype-for-xy-machine/4210 "2025-09-12T05:21:47Z")

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Hey guys… Im messing with my maslow and am trying to turn it into a really cheap XY machine using as much original maslow gear as possible, but attempting to get the 1/64" accuracy we get in the middle, across the entir…

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## [Do the new firmware updates work if you haven't updated to 4.1 yet](https://forums.maslowcnc.com/t/do-the-new-firmware-updates-work-if-you-havent-updated-to-4-1-yet/24817)

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**Author:** [@Caleb\_Yager](https://forums.maslowcnc.com/u/Caleb_Yager)\
**Replies:** 2\
**Last updated:** [September 4, 2025, 8:54pm UTC](https://forums.maslowcnc.com/t/do-the-new-firmware-updates-work-if-you-havent-updated-to-4-1-yet/24817 "2025-09-04T20:54:03Z")

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I have Maslow 4, since I haven’t updated the parts to 4.1 yet will the new firmware updates still work with it?

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## [Ver 1.05 to 1.10 Upgrade Problem](https://forums.maslowcnc.com/t/ver-1-05-to-1-10-upgrade-problem/24806)

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**Author:** [@Alan\_Kirk](https://forums.maslowcnc.com/u/Alan_Kirk)\
**Replies:** 8\
**Last updated:** [September 2, 2025, 10:33pm UTC](https://forums.maslowcnc.com/t/ver-1-05-to-1-10-upgrade-problem/24806 "2025-09-02T22:33:36Z")

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I am unable to do a FW upgrade from 1.05 to 1.10. The User Guide shows the FluidNC file explorer with three files, two of which are Maslow related. I have accomplished locating the YAML and .gz files location. After I …

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## [Belt slacking after upgrade to 1.09 and 1.10](https://forums.maslowcnc.com/t/belt-slacking-after-upgrade-to-1-09-and-1-10/24769)

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**Author:** [@Jay\_Hubbard](https://forums.maslowcnc.com/u/Jay_Hubbard)\
**Replies:** 8\
**Last updated:** [August 29, 2025, 9:04pm UTC](https://forums.maslowcnc.com/t/belt-slacking-after-upgrade-to-1-09-and-1-10/24769 "2025-08-29T21:04:55Z")

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After upgrading to 1.09 as well as 1.10. I did a successful calibration. I then attempted to move the sled 400mm both to the right and to the left. The trailing belts would go slack. I have restored to 1.80 and everythin…

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## [Firmware version 1.10](https://forums.maslowcnc.com/t/firmware-version-1-10/24768)

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**Author:** [@bar](https://forums.maslowcnc.com/u/bar)\
**Replies:** 15\
**Last updated:** [August 28, 2025, 10:15am UTC](https://forums.maslowcnc.com/t/firmware-version-1-10/24768 "2025-08-28T10:15:10Z")

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Firmware version 1.10 is out! It’s got some bug fixes and some quality of life improvements. Nothing earth shattering, but generally progress!

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## [Feature request, log dns queries to serial log](https://forums.maslowcnc.com/t/feature-request-log-dns-queries-to-serial-log/24749)

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**Author:** [@dlang](https://forums.maslowcnc.com/u/dlang)\
**Replies:** 5\
**Last updated:** [August 20, 2025, 12:03am UTC](https://forums.maslowcnc.com/t/feature-request-log-dns-queries-to-serial-log/24749 "2025-08-20T00:03:39Z")

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please have the maslow firmware log dns queries to the serial log so that we can see if people are connecting via the (frequently limited) captive portal window or if they are connected directly (and so that we can start…

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## [Firmware feature request](https://forums.maslowcnc.com/t/firmware-feature-request/24657)

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**Author:** [@dlang](https://forums.maslowcnc.com/u/dlang)\
**Replies:** 7\
**Last updated:** [August 6, 2025, 1:13am UTC](https://forums.maslowcnc.com/t/firmware-feature-request/24657 "2025-08-06T01:13:48Z")

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please add options in the config file (not in the UI) to support spools that wind clockwise instead of the default counter-clockwise. (can be left out and defaults to the current CCW direction). I think it would be best …

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## [Maslow 4.1 - Current Version Installed?](https://forums.maslowcnc.com/t/maslow-4-1-current-version-installed/24500)

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**Author:** [@wsmagee](https://forums.maslowcnc.com/u/wsmagee)\
**Replies:** 1\
**Last updated:** [July 6, 2025, 9:03pm UTC](https://forums.maslowcnc.com/t/maslow-4-1-current-version-installed/24500 "2025-07-06T21:03:37Z")

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Where in the interface can you see the current installed version of the Firmware and index.html.gz file? I have performed the update of the firmware and updated the index.html.gz file, but other than keeping track offli…

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## [Calibration Fitness too low - max retry count?](https://forums.maslowcnc.com/t/calibration-fitness-too-low-max-retry-count/24411)

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**Author:** [@Spnc](https://forums.maslowcnc.com/u/Spnc)\
**Replies:** 3\
**Last updated:** [June 29, 2025, 6:03pm UTC](https://forums.maslowcnc.com/t/calibration-fitness-too-low-max-retry-count/24411 "2025-06-29T18:03:27Z")

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Just updated to 1.0.7 and trying to get things back up and running again. I did a calibration that seemed to start off pretty well but has been ‘crunching numbers’ for the last 5 hours now. Granted my shop laptop is a de…

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## [Maslow startup error messages not being logged (e.g. Motor or Encoder disconnected)](https://forums.maslowcnc.com/t/maslow-startup-error-messages-not-being-logged-e-g-motor-or-encoder-disconnected/24422)

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**Author:** [@AzaB2C](https://forums.maslowcnc.com/u/AzaB2C)\
**Replies:** 2\
**Last updated:** [June 24, 2025, 9:08pm UTC](https://forums.maslowcnc.com/t/maslow-startup-error-messages-not-being-logged-e-g-motor-or-encoder-disconnected/24422 "2025-06-24T21:08:08Z")

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(1.07 private build) Maslow begin() startup code checks whether encoders and motors are connected which is neat. If one or more motors or encoders are disconnected then Maslow goes into an error state flashing the red l…

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## [Calibration code / understanding](https://forums.maslowcnc.com/t/calibration-code-understanding/24054)

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**Author:** [@RandomDave](https://forums.maslowcnc.com/u/RandomDave)\
**Replies:** 31\
**Last updated:** [June 17, 2025, 5:19pm UTC](https://forums.maslowcnc.com/t/calibration-code-understanding/24054 "2025-06-17T17:19:19Z")

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I’m having a dig around in the calibration code (I like a good algorithm, and geometry), can I check my high level understanding is right before I ask some code questions. In essence calibration does: Unwind X length …

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