# \#mach4 **URL:** https://forum.avidcnc.com/tag/mach4/35.md [Latest](https://forum.avidcnc.com/latest.md) · [Categories](https://forum.avidcnc.com/categories.md) · [Tags](https://forum.avidcnc.com/tags.md) --- ## [Z position getting lost with audible thunk](https://forum.avidcnc.com/t/z-position-getting-lost-with-audible-thunk/6644)
**Author:** [@kardax](https://forum.avidcnc.com/u/kardax)\ **Replies:** 14\ **Last updated:** [October 7, 2026, 4:36pm UTC](https://forum.avidcnc.com/t/z-position-getting-lost-with-audible-thunk/6644 "2026-10-07T16:36:22Z")
Hi, I bought a used PRO60120 this summer from about 2020. So far it’s been great. But… Yesterday I was running a program and the z position was getting off. The bit was too high, meaning it was not cutting the material … --- ## [Mach 4 not communication with ESS](https://forum.avidcnc.com/t/mach-4-not-communication-with-ess/6643)
**Author:** [@JRCrawford](https://forum.avidcnc.com/u/JRCrawford)\ **Replies:** 2\ **Last updated:** [October 6, 2026, 9:43pm UTC](https://forum.avidcnc.com/t/mach-4-not-communication-with-ess/6643 "2026-10-06T21:43:51Z")
After running SCU and getting pings, I cant get mach 4 to communicate with Ess I have tried setting the IP in the computer, I am using a usb to ethernet adapter --- ## [Camera probe for Avid](https://forum.avidcnc.com/t/camera-probe-for-avid/6628)
**Author:** [@brettbond](https://forum.avidcnc.com/u/brettbond)\ **Replies:** 7\ **Last updated:** [October 5, 2026, 3:41pm UTC](https://forum.avidcnc.com/t/camera-probe-for-avid/6628 "2026-10-05T15:41:21Z")
I’ve been working the past few years on a Mach 4 and Centroid compatible visual system for Avid. Works like a camera probe with a calibrated camera that closely maps what it sees to coordinates on your work surface. From… --- ## [Random Crashes Mach4](https://forum.avidcnc.com/t/random-crashes-mach4/2914)
**Author:** [@sm38240](https://forum.avidcnc.com/u/sm38240)\ **Replies:** 4\ **Last updated:** [June 19, 2026, 8:02pm UTC](https://forum.avidcnc.com/t/random-crashes-mach4/2914 "2026-06-19T20:02:57Z")
All, I am running Mach 4 on a Dell i5 with 16GB ram, 64 bit, and Windows 10 Pro. Routinely check configuration via the ESS tool and all “green” checks. But…when running a program, CNC will momentarily “hiccup”. Somet… --- ## [\*\*SOLD\*\* Pro 5x10 w/ Rotary & Lots of Extras](https://forum.avidcnc.com/t/sold-pro-5x10-w-rotary-lots-of-extras/6193)
**Author:** [@JonnyBuilds](https://forum.avidcnc.com/u/JonnyBuilds)\ **Replies:** 0\ **Last updated:** [May 29, 2026, 4:29pm UTC](https://forum.avidcnc.com/t/sold-pro-5x10-w-rotary-lots-of-extras/6193 "2026-05-29T16:29:22Z")
SOLD - Selling my Avid Pro 5x10 (PRO60120) — bought new in late 2021, used in a professional furniture shop, well maintained. Consolidating the shop, so it’s time for it to go to someone who’ll put it to work. What’s i… --- ## [Mach 4 crashes after loading toolpath](https://forum.avidcnc.com/t/mach-4-crashes-after-loading-toolpath/6153)
**Author:** [@pviljoen2](https://forum.avidcnc.com/u/pviljoen2)\ **Replies:** 7\ **Last updated:** [May 19, 2026, 3:08pm UTC](https://forum.avidcnc.com/t/mach-4-crashes-after-loading-toolpath/6153 "2026-05-19T15:08:22Z")
It finally happened, controller system committed suicide, keyboard failed, weird movement when pressing keyes etc. I build a new system, actually 4, 2 on win8.1 and 2 on win10. Each gave me exactly the same problem. The… --- ## [Slabbing Wizard for Mach4](https://forum.avidcnc.com/t/slabbing-wizard-for-mach4/1947)
**Author:** [@DavidsPostProcessor](https://forum.avidcnc.com/u/DavidsPostProcessor)\ **Replies:** 44\ **Last updated:** [May 16, 2026, 1:57pm UTC](https://forum.avidcnc.com/t/slabbing-wizard-for-mach4/1947 "2026-05-16T13:57:09Z")
Slabbing Wizard is a Mach4 Wizard designed to simplify creating toolpaths for flattening material. It features a simple interface allowing you to control motion type and direction. Gcode is automatically generated and… --- ## [Mach 4 wont run properly after Microsoft update](https://forum.avidcnc.com/t/mach-4-wont-run-properly-after-microsoft-update/6075)
**Author:** [@chick533](https://forum.avidcnc.com/u/chick533)\ **Replies:** 2\ **Last updated:** [April 28, 2026, 10:30pm UTC](https://forum.avidcnc.com/t/mach-4-wont-run-properly-after-microsoft-update/6075 "2026-04-28T22:30:16Z")
Recently update laptop to Microsoft 11. Now when I try to run a project, half way thru shuts down and get a message that says" demo has time out" . Any suggestions on how to correct this issue? didn’t do anything to Mac… --- ## [Best computer setup for Mach 4 — leaning toward Panel PC](https://forum.avidcnc.com/t/best-computer-setup-for-mach-4-leaning-toward-panel-pc/6020)
**Author:** [@Tolpin](https://forum.avidcnc.com/u/Tolpin)\ **Replies:** 2\ **Last updated:** [April 15, 2026, 7:57pm UTC](https://forum.avidcnc.com/t/best-computer-setup-for-mach-4-leaning-toward-panel-pc/6020 "2026-04-15T19:57:01Z")
Hey everyone! Just picked up a 4x8 at a great price and getting ready to set it up. I’ll be running Mach 4 until I upgrade to the ex-controller. I’m leaning toward mounting an industrial Panel PC directly to the machine… --- ## [RapidChange ATC: ATC for ER20 (and other) spindles](https://forum.avidcnc.com/t/rapidchange-atc-atc-for-er20-and-other-spindles/3002)
**Author:** [@Bernmc](https://forum.avidcnc.com/u/Bernmc)\ **Replies:** 71\ **Last updated:** [March 28, 2026, 2:43am UTC](https://forum.avidcnc.com/t/rapidchange-atc-atc-for-er20-and-other-spindles/3002 "2026-03-28T02:43:56Z")
I thought I’d start a thread for those of us playing with the RapidChange ATC so we can work through any issues we have. I have no affiliation with RapidChange ATC, and I bought the magazine with my own cold, hard cash. … --- ## [HELP! Slow communication with Mach 4](https://forum.avidcnc.com/t/help-slow-communication-with-mach-4/5912)
**Author:** [@achtstudio](https://forum.avidcnc.com/u/achtstudio)\ **Replies:** 16\ **Last updated:** [March 18, 2026, 2:57am UTC](https://forum.avidcnc.com/t/help-slow-communication-with-mach-4/5912 "2026-03-18T02:57:38Z")
This week, my laptop that ran Mach 4 died. I got a replacement, transferred over the license and uploaded my profile. First program I ran was a simple rotary axis program and had no issues. Today, I had to run a progra… --- ## [Avid CNC Machine WCS origin not repeatable](https://forum.avidcnc.com/t/avid-cnc-machine-wcs-origin-not-repeatable/5880)
**Author:** [@cnguyen4572](https://forum.avidcnc.com/u/cnguyen4572)\ **Replies:** 0\ **Last updated:** [March 10, 2026, 2:59pm UTC](https://forum.avidcnc.com/t/avid-cnc-machine-wcs-origin-not-repeatable/5880 "2026-03-10T14:59:20Z")
Hello Avid community, We have a problem with our Avid CNC Benchtop PRO 2X3. It seems every time we start the machining process, the WCS is 0.050”-0.125” off, looking like all axis. We never powered off the machine and w… --- ## [Horrible Spindle Sound](https://forum.avidcnc.com/t/horrible-spindle-sound/5713)
**Author:** [@cnguyen4572](https://forum.avidcnc.com/u/cnguyen4572)\ **Replies:** 10\ **Last updated:** [March 3, 2026, 10:00pm UTC](https://forum.avidcnc.com/t/horrible-spindle-sound/5713 "2026-03-03T22:00:41Z")
My spindle is making this horrible sound during warm up. Does anyone know what might be the cause? Spindle Noise --- ## [4HP spindle cable replacement](https://forum.avidcnc.com/t/4hp-spindle-cable-replacement/5783)
**Author:** [@cnguyen4572](https://forum.avidcnc.com/u/cnguyen4572)\ **Replies:** 3\ **Last updated:** [February 23, 2026, 1:36am UTC](https://forum.avidcnc.com/t/4hp-spindle-cable-replacement/5783 "2026-02-23T01:36:58Z")
Does anyone know where to buy a new M23 6-pole spindle power cable for Hiteco 4HP Plug and Play spindle? I cannot find it on the Avid website anywhere. --- ## [Problem Homing my Benchtop Pro 2x3](https://forum.avidcnc.com/t/problem-homing-my-benchtop-pro-2x3/5778)
**Author:** [@cnguyen4572](https://forum.avidcnc.com/u/cnguyen4572)\ **Replies:** 5\ **Last updated:** [February 18, 2026, 3:11pm UTC](https://forum.avidcnc.com/t/problem-homing-my-benchtop-pro-2x3/5778 "2026-02-18T15:11:46Z")
Hello! I am trying the homing process on a used machine. It triggers the Z home and then the X home just fine. But when it approaches Y2- limit switch (in the front right corner of the machine), the proximity switch tri… --- ## [Windows 11 issues?](https://forum.avidcnc.com/t/windows-11-issues/5232)
**Author:** [@TeachisWhack](https://forum.avidcnc.com/u/TeachisWhack)\ **Replies:** 5\ **Last updated:** [January 6, 2026, 3:16am UTC](https://forum.avidcnc.com/t/windows-11-issues/5232 "2026-01-06T03:16:55Z")
My IT guy went through the computers I have (I am a HS CTE teacher) and updated them to Windows 11. In the process, I needed to reload Mach4 and run the configuration utility. My problem is that the configuration utilit… --- ## [Any alternatives to Mach4?](https://forum.avidcnc.com/t/any-alternatives-to-mach4/3837)
**Author:** [@Nico](https://forum.avidcnc.com/u/Nico)\ **Replies:** 7\ **Last updated:** [December 22, 2025, 8:06pm UTC](https://forum.avidcnc.com/t/any-alternatives-to-mach4/3837 "2025-12-22T20:06:08Z")
Hello avid forum. What are some alternatives to Mach control? We have to baby sit this machine so it doesn’t completely ruin customer parts. Honestly we have lost trust in the tool. Around 3/10 jobs mach will crash the … --- ## [Y axes won't back off homing sensor](https://forum.avidcnc.com/t/y-axes-wont-back-off-homing-sensor/5529)
**Author:** [@LivewireCNC](https://forum.avidcnc.com/u/LivewireCNC)\ **Replies:** 1\ **Last updated:** [December 2, 2025, 12:16am UTC](https://forum.avidcnc.com/t/y-axes-wont-back-off-homing-sensor/5529 "2025-12-02T00:16:50Z")
Hey everyone, I’m new here and I’m new-ish to the system I’m using now. I saw a couple of posts that seem similar to the problem I’m having but the fixes there don’t seem to apply here because there are different factor… --- ## [For Sale: Avid Control System (Mach 4)](https://forum.avidcnc.com/t/for-sale-avid-control-system-mach-4/5461)
**Author:** [@berrianmtn](https://forum.avidcnc.com/u/berrianmtn)\ **Replies:** 0\ **Last updated:** [November 9, 2025, 7:00pm UTC](https://forum.avidcnc.com/t/for-sale-avid-control-system-mach-4/5461 "2025-11-09T19:00:08Z")
I upgraded to Ex, AV70S, and Servos a while back. I planned to repurpose my original 3HP Mach4 based system with nema 34 steppers to a second machine but have run out of space. So I’m selling. These were purchased in mid… --- ## [Homing axes Y problem](https://forum.avidcnc.com/t/homing-axes-y-problem/5267)
**Author:** [@Ernest](https://forum.avidcnc.com/u/Ernest)\ **Replies:** 2\ **Last updated:** [September 19, 2025, 8:25pm UTC](https://forum.avidcnc.com/t/homing-axes-y-problem/5267 "2025-09-19T20:25:11Z")
Hi guys greetings from Spain, because I am so far away and I like Avid machines so much I made an exact copy of the Avid Pro 4896, it is already finished but I have a problem when doing homing everything works ok, but in… --- ## [Seperate mach4 profiles](https://forum.avidcnc.com/t/seperate-mach4-profiles/5222)
**Author:** [@hobbyist69](https://forum.avidcnc.com/u/hobbyist69)\ **Replies:** 0\ **Last updated:** [September 7, 2025, 1:17pm UTC](https://forum.avidcnc.com/t/seperate-mach4-profiles/5222 "2025-09-07T13:17:47Z")
trying to seperate router and plasma with avid loader --- ## [Touch-Probe Calibration](https://forum.avidcnc.com/t/touch-probe-calibration/4936)
**Author:** [@Congates](https://forum.avidcnc.com/u/Congates)\ **Replies:** 2\ **Last updated:** [July 1, 2025, 11:33pm UTC](https://forum.avidcnc.com/t/touch-probe-calibration/4936 "2025-07-01T23:33:33Z")
I have been using Mach 4 with the touch plate for a few years now. Everything works fine for when I need to work on a project that is within the boundaries of the raw material. There are some circumstances where I want t… --- ## [SALE: PRO60120 5' x 10' CNC Router + Software](https://forum.avidcnc.com/t/sale-pro60120-5-x-10-cnc-router-software/4811)
**Author:** [@Brigitte](https://forum.avidcnc.com/u/Brigitte)\ **Replies:** 0\ **Last updated:** [May 28, 2025, 9:35pm UTC](https://forum.avidcnc.com/t/sale-pro60120-5-x-10-cnc-router-software/4811 "2025-05-28T21:35:10Z")
Fully assembled Avid CNC machine just bought in 2023. Used maybe once or twice. Includes the software needed to run the machine. Located in Ventura County, California. --- ## [Is there a cumulative "run time" value buried in Mach4 somewhere?](https://forum.avidcnc.com/t/is-there-a-cumulative-run-time-value-buried-in-mach4-somewhere/2916)
**Author:** [@scpinkerton](https://forum.avidcnc.com/u/scpinkerton)\ **Replies:** 5\ **Last updated:** [May 20, 2025, 5:02am UTC](https://forum.avidcnc.com/t/is-there-a-cumulative-run-time-value-buried-in-mach4-somewhere/2916 "2025-05-20T05:02:26Z")
I was wondering if there was a cumulative run time value somewhere - not a “this job” run time value. Something like the “hours” counter on other machines. Just wondering if there was something that could help as a rem… --- ## [Stalling all axis after updating Mach4](https://forum.avidcnc.com/t/stalling-all-axis-after-updating-mach4/4569)
**Author:** [@CNCKjellern](https://forum.avidcnc.com/u/CNCKjellern)\ **Replies:** 3\ **Last updated:** [May 10, 2025, 12:42pm UTC](https://forum.avidcnc.com/t/stalling-all-axis-after-updating-mach4/4569 "2025-05-10T12:42:05Z")
I have been using Mach4 Version 2.5.11, with problems around random stops in Gcode. I saw last week that a fix for this had been released, Version 2.5.16. I installed the new version hoping it would be better. After t… --- ## [Avid Pro 4896 for sale Bozeman Mt](https://forum.avidcnc.com/t/avid-pro-4896-for-sale-bozeman-mt/3617)
**Author:** [@Ian](https://forum.avidcnc.com/u/Ian)\ **Replies:** 19\ **Last updated:** [April 17, 2025, 3:58am UTC](https://forum.avidcnc.com/t/avid-pro-4896-for-sale-bozeman-mt/3617 "2025-04-17T03:58:33Z")
Avid 4896 pro for sale in Bozeman Bought in 2023 Under 100 hours 13,500 Obo Was hoping to use it a lot more then we did. Was a great machine. Have all parts. --- ## [Launch a wizard from a script?](https://forum.avidcnc.com/t/launch-a-wizard-from-a-script/4514)
**Author:** [@bflorac](https://forum.avidcnc.com/u/bflorac)\ **Replies:** 3\ **Last updated:** [March 23, 2025, 3:14am UTC](https://forum.avidcnc.com/t/launch-a-wizard-from-a-script/4514 "2025-03-23T03:14:05Z")
Is there a way to launch a wizard from a script? I want to put the slabwizard on a buttion. --- ## [Selling ESS control cabinet with Nema 34 steppers](https://forum.avidcnc.com/t/selling-ess-control-cabinet-with-nema-34-steppers/4272)
**Author:** [@Jgutier3](https://forum.avidcnc.com/u/Jgutier3)\ **Replies:** 6\ **Last updated:** [February 2, 2025, 4:10am UTC](https://forum.avidcnc.com/t/selling-ess-control-cabinet-with-nema-34-steppers/4272 "2025-02-02T04:10:31Z")
Selling an avid control panel with 5 steppers and all the cables Nema 34. This cabinet includes the rotary axis stepper. Selling for $1400. Currently installed in an avid 48 x 48. X axis, 2 Y axis, 1 Z axis, and 1 rot… --- ## [Best time for live stream? AI Video Camera + CNC Machining](https://forum.avidcnc.com/t/best-time-for-live-stream-ai-video-camera-cnc-machining/4321)
**Author:** [@brettbond](https://forum.avidcnc.com/u/brettbond)\ **Replies:** 0\ **Last updated:** [January 31, 2025, 2:29pm UTC](https://forum.avidcnc.com/t/best-time-for-live-stream-ai-video-camera-cnc-machining/4321 "2025-01-31T14:29:50Z")
Lately I’ve been making videos to show my Paper Tools software—my goal is to help people understand how a video camera strapped to your spindle can help speed up many everyday CNC operations. I’d like to organize a live… --- ## [Soft Limits in Mach 4](https://forum.avidcnc.com/t/soft-limits-in-mach-4/4273)
**Author:** [@CJWizard](https://forum.avidcnc.com/u/CJWizard)\ **Replies:** 3\ **Last updated:** [January 23, 2025, 3:54pm UTC](https://forum.avidcnc.com/t/soft-limits-in-mach-4/4273 "2025-01-23T15:54:02Z")
I’ve had my Avid CNC machine since 2022 but do not get to use it often. I have a PRO 60120 with a spindle/plasma setup. When I home the machine, the gantry travels to bottom left of the table with the proximity sensors… [Next page](https://forum.avidcnc.com/tag/mach4/35.md?match_all_tags=true&page=1&tags%5B%5D=mach4)