# Troubleshooting **URL:** https://forums.maslowcnc.com/c/webcontrol/troubleshooting/36.md [Latest](https://forums.maslowcnc.com/latest.md) · [Categories](https://forums.maslowcnc.com/categories.md) · [Tags](https://forums.maslowcnc.com/tags.md) --- ## [About the Troubleshooting category](https://forums.maslowcnc.com/t/about-the-troubleshooting-category/13590)
**Author:** [@madgrizzle](https://forums.maslowcnc.com/u/madgrizzle)\ **Replies:** 0
Post issues here for things that just don’t seem to be working correctly. --- ## [WebControl losing connection](https://forums.maslowcnc.com/t/webcontrol-losing-connection/16647)
**Author:** [@pustin\_r](https://forums.maslowcnc.com/u/pustin_r)\ **Replies:** 8\ **Last updated:** [August 12, 2026, 5:05pm UTC](https://forums.maslowcnc.com/t/webcontrol-losing-connection/16647 "2026-08-12T17:05:40Z")
I can get the webcontrol to connect to the com and everything but after a few seconds it throws an alarm saying Connection failed or Invalid firmware Then reconnects and throws the same error I searched the forum tried… --- ## [How I achieved calibration finally](https://forums.maslowcnc.com/t/how-i-achieved-calibration-finally/24019)
**Author:** [@KarlW](https://forums.maslowcnc.com/u/KarlW)\ **Replies:** 2\ **Last updated:** [June 16, 2025, 3:35pm UTC](https://forums.maslowcnc.com/t/how-i-achieved-calibration-finally/24019 "2025-06-16T15:35:46Z")
I have had the same endless loop problems many others have experienced. I have a non standard size frame laying horizontally on the ground. I hate changing more than one thing at a time - not knowing what actually solved… --- ## [Cant update to Holey Firmware, and cant get the software to run outside of Docker](https://forums.maslowcnc.com/t/cant-update-to-holey-firmware-and-cant-get-the-software-to-run-outside-of-docker/24062)
**Author:** [@girrrrrrr2](https://forums.maslowcnc.com/u/girrrrrrr2)\ **Replies:** 9\ **Last updated:** [May 31, 2025, 10:17pm UTC](https://forums.maslowcnc.com/t/cant-update-to-holey-firmware-and-cant-get-the-software-to-run-outside-of-docker/24062 "2025-05-31T22:17:28Z")
So I was just given a V1 Maslow, built my standard sized frame, got it all up and running… And I cant seem to get my firmware updated to holey. I can flash the standard firmware and hook it all up, and it moves around, … --- ## [Wifi Name with odd characters?](https://forums.maslowcnc.com/t/wifi-name-with-odd-characters/20969)
**Author:** [@atanguay](https://forums.maslowcnc.com/u/atanguay)\ **Replies:** 17\ **Last updated:** [May 9, 2024, 5:19am UTC](https://forums.maslowcnc.com/t/wifi-name-with-odd-characters/20969 "2024-05-09T05:19:06Z")
Hi…the name for my network at home is “GoBoo’s Place”. When I attempt to add this to the configuration, it skips everything after the apostrophe. Any way to fix this, or trick it into using that name? Thanks!! --- ## [WebControl on Raspberry PI running but can't access](https://forums.maslowcnc.com/t/webcontrol-on-raspberry-pi-running-but-cant-access/19835)
**Author:** [@turgin99](https://forums.maslowcnc.com/u/turgin99)\ **Replies:** 3\ **Last updated:** [February 14, 2024, 5:18pm UTC](https://forums.maslowcnc.com/t/webcontrol-on-raspberry-pi-running-but-cant-access/19835 "2024-02-14T17:18:47Z")
Went to use my Maslow today for the first time in a few weeks and had to change the router bit so needed to reset my zero. I kept getting errors trying to move the Z axis so tried rebooting everything but after the rebo… --- ## [Setup and Calibration failures](https://forums.maslowcnc.com/t/setup-and-calibration-failures/18945)
**Author:** [@Scriven](https://forums.maslowcnc.com/u/Scriven)\ **Replies:** 6\ **Last updated:** [August 24, 2023, 11:06pm UTC](https://forums.maslowcnc.com/t/setup-and-calibration-failures/18945 "2023-08-24T23:06:28Z")
Hello all. This started with groundcontrol on an old laptop pre-covid, but we never quite got calibrated. But covid’s endemic now so we started to get back into it. Getting caught up in the reading \[here\], there were a… --- ## [Getting webcontrol.service failed with result exit code](https://forums.maslowcnc.com/t/getting-webcontrol-service-failed-with-result-exit-code/18903)
**Author:** [@edknue](https://forums.maslowcnc.com/u/edknue)\ **Replies:** 5\ **Last updated:** [June 17, 2023, 11:08pm UTC](https://forums.maslowcnc.com/t/getting-webcontrol-service-failed-with-result-exit-code/18903 "2023-06-17T23:08:12Z")
Hello, When I try launching webcontrol on my Raspberry Pi 4b, I get “webcontrol.service failed with result exit code”. I saw a post from Orob suggesting that the webcontrol.json might be corrupted. He said to remove the… --- ## [Not displaying shapes in graphic area](https://forums.maslowcnc.com/t/not-displaying-shapes-in-graphic-area/12730)
**Author:** [@kayaker37](https://forums.maslowcnc.com/u/kayaker37)\ **Replies:** 11\ **Last updated:** [May 8, 2023, 7:54am UTC](https://forums.maslowcnc.com/t/not-displaying-shapes-in-graphic-area/12730 "2023-05-08T07:54:00Z")
I’m running WebControl in simulation mode, Fake Servo is on. I loaded a couple of files from the community garden. I can open and run SixHookCoatHanger.nc, and it displays in the viewing area as it cuts. It says it was e… --- ## [WebControl - First Steps - "Extend Chains" button moves motor backward?](https://forums.maslowcnc.com/t/webcontrol-first-steps-extend-chains-button-moves-motor-backward/18832)
**Author:** [@dlevans](https://forums.maslowcnc.com/u/dlevans)\ **Replies:** 8\ **Last updated:** [April 26, 2023, 8:41pm UTC](https://forums.maslowcnc.com/t/webcontrol-first-steps-extend-chains-button-moves-motor-backward/18832 "2023-04-26T20:41:42Z")
I’ve had a heck of a time getting this thing to work. I’m giving it one more shot this weekend before I’m just giving up. I’ve rotated the sprocket to be at the 12 o’clock position: I put the chain on the sprocket: … --- ## [Web Control Error Messages](https://forums.maslowcnc.com/t/web-control-error-messages/18823)
**Author:** [@Rich1](https://forums.maslowcnc.com/u/Rich1)\ **Replies:** 1\ **Last updated:** [April 15, 2023, 11:06pm UTC](https://forums.maslowcnc.com/t/web-control-error-messages/18823 "2023-04-15T23:06:43Z")
Calibrated just fine in Web Control. Went to load a sample file from the garden to try it out. Everytime I move the sled it starts to move then I get the error “Sled not keeping up”. I clear it and can select the sled… --- ## [HELP Mac OXS! Cannot install Ground Control or Web Control](https://forums.maslowcnc.com/t/help-mac-oxs-cannot-install-ground-control-or-web-control/17409)
**Author:** [@Taylor\_Choate](https://forums.maslowcnc.com/u/Taylor_Choate)\ **Replies:** 34\ **Last updated:** [January 20, 2023, 10:41pm UTC](https://forums.maslowcnc.com/t/help-mac-oxs-cannot-install-ground-control-or-web-control/17409 "2023-01-20T22:41:28Z")
Using a Macbook Pro 2019 with OSX 12.0.1 Monterey. Solid State Drive. I purchased the Maslow CNC and received it today, built the stand, and have been frustrated ever since. I will admit that I am a total newb as far as… --- ## [Recognizing the results of calibration](https://forums.maslowcnc.com/t/recognizing-the-results-of-calibration/18433)
**Author:** [@Yasamal33](https://forums.maslowcnc.com/u/Yasamal33)\ **Replies:** 6\ **Last updated:** [November 20, 2022, 7:07am UTC](https://forums.maslowcnc.com/t/recognizing-the-results-of-calibration/18433 "2022-11-20T07:07:02Z")
Hi everyone. I had several calibration sessions that showed me different results. Unfortunately I couldn’t find any relevant guide/documentation to recognize these results. So here are the results of 2 holey calibrati… --- ## [Webcontrol zeros webcontrol.json when FS is full](https://forums.maslowcnc.com/t/webcontrol-zeros-webcontrol-json-when-fs-is-full/17941)
**Author:** [@Arnd](https://forums.maslowcnc.com/u/Arnd)\ **Replies:** 2\ **Last updated:** [April 27, 2022, 6:13am UTC](https://forums.maslowcnc.com/t/webcontrol-zeros-webcontrol-json-when-fs-is-full/17941 "2022-04-27T06:13:24Z")
Hi, i had my Rasp PI running for over 2 months. When i wanted to start working today and moved the sled into a new position suddenly the Z axis did go down fully. I did restart Arduino and raspberry and Z axis didnt wor… --- ## [Webcontrol gets easily corrupted and fails](https://forums.maslowcnc.com/t/webcontrol-gets-easily-corrupted-and-fails/17805)
**Author:** [@ACME](https://forums.maslowcnc.com/u/ACME)\ **Replies:** 35\ **Last updated:** [March 9, 2022, 2:11pm UTC](https://forums.maslowcnc.com/t/webcontrol-gets-easily-corrupted-and-fails/17805 "2022-03-09T14:11:58Z")
I’m not sure if I titled this correctly but the issue I am having is the following: I have been calibrating and setting things up the past couple days and I will suddenly notice (not sure what the proper name of this is… --- ## [Switching from Ground Control to Web Control Unsuccessful](https://forums.maslowcnc.com/t/switching-from-ground-control-to-web-control-unsuccessful/17703)
**Author:** [@Adam\_Hagan](https://forums.maslowcnc.com/u/Adam_Hagan)\ **Replies:** 3\ **Last updated:** [February 3, 2022, 4:40am UTC](https://forums.maslowcnc.com/t/switching-from-ground-control-to-web-control-unsuccessful/17703 "2022-02-03T04:40:05Z")
I installed and run Webcontrol and it says it’s connected but won’t run motors and then the actions tab becomes ‘unclickable.’ The only thing I can find is the arduino says the mega board is on port 7 but the webcontr… --- ## [WebControl and Z-axis](https://forums.maslowcnc.com/t/webcontrol-and-z-axis/17236)
**Author:** [@kurt](https://forums.maslowcnc.com/u/kurt)\ **Replies:** 4\ **Last updated:** [October 19, 2021, 12:55pm UTC](https://forums.maslowcnc.com/t/webcontrol-and-z-axis/17236 "2021-10-19T12:55:09Z")
I use WebControl on a RasPi. When the Z-axis is controlled by gcode, then it moves correctly. But when I manually move it, I have to push the “wrong” arrows: If want to plunge in, I have to press the “arrow down”. Beside… --- ## [Rasbpi w WEBCONTROL testing Z working - Z movment buttons dropping X&Y](https://forums.maslowcnc.com/t/rasbpi-w-webcontrol-testing-z-working-z-movment-buttons-dropping-x-y/17222)
**Author:** [@kiklo](https://forums.maslowcnc.com/u/kiklo)\ **Replies:** 4\ **Last updated:** [October 14, 2021, 3:30am UTC](https://forums.maslowcnc.com/t/rasbpi-w-webcontrol-testing-z-working-z-movment-buttons-dropping-x-y/17222 "2021-10-14T03:30:05Z")
Hi. When I from ‘action’ test motorcontrol all axes respond. But when I try the Z -axis button and try any movment - it drops the sled down (X&Y), Any hint on what I have done wrong in setup. Reg. Kim --- ## [Pauses in Gcode playback](https://forums.maslowcnc.com/t/pauses-in-gcode-playback/17193)
**Author:** [@TZ2](https://forums.maslowcnc.com/u/TZ2)\ **Replies:** 9\ **Last updated:** [October 3, 2021, 8:47pm UTC](https://forums.maslowcnc.com/t/pauses-in-gcode-playback/17193 "2021-10-03T20:47:52Z")
I am trying to cut my first project. I took the folding chair DXF and scaled it down for my 3 year old. I loaded this into Estlcam and set the holes and parts. I am cutting 3/4" plywood (20mm), 3mm a pass with a 1/8" … --- ## [SD card issue locked up WebControl this weekend. SIMPLE FIX!](https://forums.maslowcnc.com/t/sd-card-issue-locked-up-webcontrol-this-weekend-simple-fix/17100)
**Author:** [@Printer\_V](https://forums.maslowcnc.com/u/Printer_V)\ **Replies:** 2\ **Last updated:** [September 8, 2021, 4:33am UTC](https://forums.maslowcnc.com/t/sd-card-issue-locked-up-webcontrol-this-weekend-simple-fix/17100 "2021-09-08T04:33:00Z")
I spent a lot of time this weekend trying to figure out what happened to my Maslow. :-1: Most of this post is to help anyone who might run into a similar issue and save them the time of digging blindly for the simple fi… --- ## [Calibration web control](https://forums.maslowcnc.com/t/calibration-web-control/17038)
**Author:** [@Enea](https://forums.maslowcnc.com/u/Enea)\ **Replies:** 3\ **Last updated:** [August 24, 2021, 6:46pm UTC](https://forums.maslowcnc.com/t/calibration-web-control/17038 "2021-08-24T18:46:04Z")
I have a question about webcontrol holey calibration. If during the calibration, the distance set between the motors were to be inaccurate even by a very small amount, would the holey calibration be able to notice it to… --- ## [Gcode won't go under 2mm after using touch plate](https://forums.maslowcnc.com/t/gcode-wont-go-under-2mm-after-using-touch-plate/16659)
**Author:** [@Johnjohnjohn3](https://forums.maslowcnc.com/u/Johnjohnjohn3)\ **Replies:** 5\ **Last updated:** [May 21, 2021, 9:19pm UTC](https://forums.maslowcnc.com/t/gcode-wont-go-under-2mm-after-using-touch-plate/16659 "2021-05-21T21:19:45Z")
Hi Yall, I need some help with the z probing. I enabled use of Touch Plates in Web control and it appeared to work perfectly. The z axis goes down touches and sets a great zero. Unfortunately after using the touch fea… --- ## [WebControl won't load](https://forums.maslowcnc.com/t/webcontrol-wont-load/16369)
**Author:** [@Mike\_Hennie](https://forums.maslowcnc.com/u/Mike_Hennie)\ **Replies:** 9\ **Last updated:** [April 3, 2021, 3:31pm UTC](https://forums.maslowcnc.com/t/webcontrol-wont-load/16369 "2021-04-03T15:31:00Z")
I have had my maslow working for about a month and cut out a few things, but not without chasing issues all the time. Lost connection, recalibrating repeatedly, Makerverse vs. Webcontrol, No picture on WebControl, and … --- ## [Can you display Webcontrol screen from Rasp Pi when using another computer to control the Router](https://forums.maslowcnc.com/t/can-you-display-webcontrol-screen-from-rasp-pi-when-using-another-computer-to-control-the-router/16184)
**Author:** [@Virgs1](https://forums.maslowcnc.com/u/Virgs1)\ **Replies:** 942\ **Last updated:** [March 28, 2021, 8:27pm UTC](https://forums.maslowcnc.com/t/can-you-display-webcontrol-screen-from-rasp-pi-when-using-another-computer-to-control-the-router/16184 "2021-03-28T20:27:30Z")
Hi all. I am new to Maslow, built a wall mount and finally taught myself Solidworks so I can send G-code to it. Since starting my project, it was advised to move from GroundControl to WebControl. I opted the route to… --- ## [Getting (code=exited, status=203/EXEC) when trying to start the WebControl service](https://forums.maslowcnc.com/t/getting-code-exited-status-203-exec-when-trying-to-start-the-webcontrol-service/16128)
**Author:** [@B0RGN1NE](https://forums.maslowcnc.com/u/B0RGN1NE)\ **Replies:** 11\ **Last updated:** [March 24, 2021, 2:13am UTC](https://forums.maslowcnc.com/t/getting-code-exited-status-203-exec-when-trying-to-start-the-webcontrol-service/16128 "2021-03-24T02:13:48Z")
Good Day! I am attempting to set up a dedicated PC to run WebControl using a fresh install of Debian Linux 10 (buster) 32bit OS getting the following message: ● webcontrol.service - WebControl Loaded: loaded (/etc/sy… --- ## [WebControl Actions Menu Not Respond](https://forums.maslowcnc.com/t/webcontrol-actions-menu-not-respond/16103)
**Author:** [@jonatpridesleap](https://forums.maslowcnc.com/u/jonatpridesleap)\ **Replies:** 4\ **Last updated:** [February 16, 2021, 11:58pm UTC](https://forums.maslowcnc.com/t/webcontrol-actions-menu-not-respond/16103 "2021-02-16T23:58:23Z")
From time to time the ACTIONS menu will not respond. All of the other menu headings are selectable but the coresponding sub-menu items will not respond either. Anyone else have this problem? --- ## [WC - Extend Chains Initial and Final Gear Positions](https://forums.maslowcnc.com/t/wc-extend-chains-initial-and-final-gear-positions/15993)
**Author:** [@jonatpridesleap](https://forums.maslowcnc.com/u/jonatpridesleap)\ **Replies:** 29\ **Last updated:** [February 6, 2021, 12:44pm UTC](https://forums.maslowcnc.com/t/wc-extend-chains-initial-and-final-gear-positions/15993 "2021-02-06T12:44:23Z")
Currently using Web Control with Holey calibration and I have begun the set up and calibration process. I am on the extend chains step. I’ve noticed that after setting the sprockets to the 12 oclock position and extendi… --- ## [WC - Holey Calibration Hole Pattern Dimensions](https://forums.maslowcnc.com/t/wc-holey-calibration-hole-pattern-dimensions/15994)
**Author:** [@jonatpridesleap](https://forums.maslowcnc.com/u/jonatpridesleap)\ **Replies:** 0\ **Last updated:** [February 2, 2021, 4:20pm UTC](https://forums.maslowcnc.com/t/wc-holey-calibration-hole-pattern-dimensions/15994 "2021-02-02T16:20:43Z")
Currently using WebControl with Holey Calibration. Does the calibration test pattern automaticaly adjust its size based on work surface dimensions. Meaning does a larger work surface result in a larger test pattern? Sma… --- ## [Web Control switches from mm to inches](https://forums.maslowcnc.com/t/web-control-switches-from-mm-to-inches/15948)
**Author:** [@Erik](https://forums.maslowcnc.com/u/Erik)\ **Replies:** 6\ **Last updated:** [January 30, 2021, 7:33pm UTC](https://forums.maslowcnc.com/t/web-control-switches-from-mm-to-inches/15948 "2021-01-30T19:33:56Z")
My g-code when I read it in text has line 10 G20 but when I push play the units switch from mm to inches. Is there a way to move step by step through the code to see how I’m messing up? Here’s the code, The z axis needle… --- ## [PiBakery Install Not Saving Settings Between Reboots](https://forums.maslowcnc.com/t/pibakery-install-not-saving-settings-between-reboots/15411)
**Author:** [@madgrizzle](https://forums.maslowcnc.com/u/madgrizzle)\ **Replies:** 4\ **Last updated:** [December 27, 2020, 11:54pm UTC](https://forums.maslowcnc.com/t/pibakery-install-not-saving-settings-between-reboots/15411 "2020-12-27T23:54:14Z")
Continuing the discussion from Web control impressions (and suggestions): I don’t have a pibakery install to do any troubleshooting with. Does anyone else have a pibakery install and experience this issue? [Next page](https://forums.maslowcnc.com/c/webcontrol/troubleshooting/36.md?page=1)