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Post by techmule on Mar 27, 2022 6:30:59 GMT
I seem to be having issues with connectivity whenever the heat gets up around 80 or above in my shop. The symptoms are that the file will be cutting then just stop; UGS will be frozen. If I reseat the USB cable and reconnect, I get the machine back, but I have to reset zero and restart the file.
This happened to me about a year ago after I first got my Carve King 2 up and running. I ended up chasing down all sorts of things - but the bottom line was, when I replaced the old laptop with a brand new laptop with a USB 2.0 port and a new shielded usb cable, everything ran fine.
So now it's starting to get warm here again and I'm starting to have the same issues. I'm about the replace the USB cable to see if that helps. But has anyone else had this kind of issue?
Thanks for your help!
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Post by MillRightWes on Mar 28, 2022 15:23:23 GMT
I have not heard of heat causing the USB to fail. We are in South GA and the heat can get 90+. We run the machines with no issue with this.
I have seen the machines freeze with other customers. What works with them sometimes is a powered USB HUB. You can get one from Amazon for about 20 bucks. It helps keep the info flowing at the proper voltage and should help with the freezing.
I would change out the USB cable just to see if that will help. If you have a printer you can use that USD cable. They are usually the same kind.
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Post by techmule on Mar 29, 2022 5:56:20 GMT
I just picked up a replacement cable. The powered hub is a great suggestion; I will give that a try. Thanks!
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Post by techmule on Mar 30, 2022 18:33:15 GMT
New cable is in place and the machine will still quit in the middle of cuts. The powered hub is coming sometime today and I will post an update if that helps.
The laptop I'm using was bought as a replacement for an older laptop that I used at first. I figured that the problem was USB related and the newer laptop would have the newer USB 2.0 port. At that point, all my problems went away. I find it curious that they are showing up again with the same symptoms 6 to 8 months down the road.
And the days have been cooler - so the heat thing in the thread title really doesn't apply.
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Post by kevin on Mar 30, 2022 23:59:54 GMT
Are there any other devices like an AC unit, or a refrigerator on the same circuit as the computer or your machine? Large appliance on the same circuit as the computer or machine can cause a temporary drop in power when the appliance comes on. Sometimes this causes freezes or disconnects.
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Post by techmule on Apr 4, 2022 5:54:49 GMT
I've done my best to isolate the unit. I have a line conditioner in place. My frustration is that I purchased a new laptop about 6 months ago. Everything worked great at that point and continued working great up to about two weeks ago and suddenly I'm chasing the same issues that I had with my old laptop. It freezes randomly. As suggested by by MillRightWes, I put a powered USB hub in place and that hasn't helped. I'm looking for my original back up of the laptop to do a restoration back to it's original state to see if that helps.
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Post by techmule on Apr 4, 2022 17:26:13 GMT
Are there any other devices like an AC unit, or a refrigerator on the same circuit as the computer or your machine? Large appliance on the same circuit as the computer or machine can cause a temporary drop in power when the appliance comes on. Sometimes this causes freezes or disconnects. I understand this - I put a line conditioner in a long time ago. It's the new laptop timeline that has me frustrated. Nothing has changed on the circuit since I purchased the new laptop late last year. Everything ran fine until a week or two ago. The random freezing just started happening and I can't pinpoint why. It seems like a connection issue - like the usb has a problem. So, new cord, new hub. and now a system restore to the first setup when everything ran great. First try this morning it froze.
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hans
Full Member
Posts: 151
Machine: Other
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Post by hans on Apr 5, 2022 0:59:15 GMT
If you're using a router (or any tool with a commutator motor, and, therefore, sparks) you'll have a lot of EFI in your environment. Your powered USB hub may be causing you more problems than it solves as it (likley) uses one USB cable to your laptop and another to the MillRight control box -- and the box housing the hub may, itself, not be shielded. The USB cable that I received from MillRight was short and shielded. Both features are good for minimizing the impact of EFI -- as is placing the laptop and the control box as far from the router as possible.
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Post by techmule on Apr 5, 2022 5:49:04 GMT
If you're using a router (or any tool with a commutator motor, and, therefore, sparks) you'll have a lot of EFI in your environment. Your powered USB hub may be causing you more problems than it solves as it (likley) uses one USB cable to your laptop and another to the MillRight control box -- and the box housing the hub may, itself, not be shielded. The USB cable that I received from MillRight was short and shielded. Both features are good for minimizing the impact of EFI -- as is placing the laptop and the control box as far from the router as possible. Thanks Hans. My situation has deteriorated with time. Only a few months, but at first there were no issues at all. Can a USB port on a computer go bad?? Today I reinstalled Windows 10. I did the power management thing on the USB so that Windows can't selectively power them down. See knowtechie.com/what-to-do-when-your-computers-usb-port-stops-working/I was able to run a bunch of files today, but I still had errors and freezes. The knowtechie article has a routine to run to reinstall the USB Host Controllers. I might try that tomorrow.
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hans
Full Member
Posts: 151
Machine: Other
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Post by hans on Apr 5, 2022 15:42:51 GMT
Try running the file with no bit in the router and the router turned off. If there are still "errors and freezes," then any RF emissions from the router are not the problem. If there are not any "errors or freezes," you've cornered the issue.
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Post by techmule on Apr 6, 2022 2:59:53 GMT
Try running the file with no bit in the router and the router turned off. If there are still "errors and freezes," then any RF emissions from the router are not the problem. If there are not any "errors or freezes," you've cornered the issue. I tried running the machine without the brush for the dust collection shoe. It makes a bigger mess but the random freeze didn't happen this afternoon. So, maybe my culprit has been static all along.
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Post by techmule on Apr 7, 2022 15:45:17 GMT
Ran about a dozen files yesterday without the shoe in place, but with the hose still attached. Got 2 freezes. So today I'm removing the hose as well.
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hans
Full Member
Posts: 151
Machine: Other
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Post by hans on Apr 7, 2022 16:52:20 GMT
Are you confusing EMI, due to RF generated by sparks from a commutator motor as used by the DeWalt router, with static electricity? It's VERY unlikely that the brush on the dust shoe will generate static electricity -- it's just moving too slowly.
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Post by techmule on Apr 8, 2022 21:46:53 GMT
I was using the shop vac a couple of days ago to clean out my sanding area; got close to one of the sanders and started taking static shocks. There's a lot of static in the air right now.
After pulling the brush, I still have the hose connected to the top of the shoe. Ran dozens of files yesterday with only one failure.
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Post by techmule on Apr 20, 2022 15:42:03 GMT
Are you confusing EMI, due to RF generated by sparks from a commutator motor as used by the DeWalt router, with static electricity? It's VERY unlikely that the brush on the dust shoe will generate static electricity -- it's just moving too slowly. For an EMI test, I ran a file without the router running, no bit. I placed a corded 7 amp hammer drill within a couple of inches of the controller box and fired several bursts as well as a sustained spin. It didn't affect the running of the file. I am running a Makita. I have replaced the brushes a couple of times.
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