DUET 3 6HC Stopping mid-print
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@chrishamm Thank you. I'll give that a try and report my results.
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@chrishamm On the way home tonight, I bought a brand new micro SDHC card and replaced that to rule it out. Then I upgraded to v3.3.0 as requested. Started a print and it stopped again in mid-print as if it was sent a reset just like before. M122 shows "Last software reset at 2021-06-16 20:58, reason: MemoryProtectionFault mmarValid daccViol". Latest M122 full print attached. No other changes were made besides the firmware upgrade and the micro SD card change.
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@chrishamm I went back and ran the same file on simulate and that ran without an issue.
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Do you happen to have a USB cable connected as well?
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@phaedrux No, I have never had a USB cable connected except at initial install.
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Have you executed a M98 P"config.g" to see if any errors are reported?
What do you have in config-override.g?
Thanks.
Frederick
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@fcwilt I am a very technical person but I have had less than a year experience in total with 3D printing so thanks for your suggestions. I am learning a lot as I go. I did try running the M98 P"config.g" this evening when I saw your question and it did not come back with any errors. My config-override.g has very little in it but I've posted it below. I have been running along fine with no issues since February when I got the MB6HC board. I swapped out my cheap thermistor for an E3D PT100 and a temp sensor daughterboard on 6/5/2021 and tuned the heater. Was still running fine until about 5 days ago when this stopping mid-print started happening.
; config-override.g file generated in response to M500 at 2021-06-05 09:15
; This is a system-generated file - do not edit
; Heater model parameters
M307 H0 R0.417 C218.158:218.158 D1.57 S1.00 V23.6 B0
M307 H1 R2.924 C127.890:127.890 D5.25 S1.00 V23.7 B0
; Workplace coordinates
G10 L2 P1 X0.00 Y0.00 Z0.00
G10 L2 P2 X0.00 Y0.00 Z0.00
G10 L2 P3 X0.00 Y0.00 Z0.00
G10 L2 P4 X0.00 Y0.00 Z0.00
G10 L2 P5 X0.00 Y0.00 Z0.00
G10 L2 P6 X0.00 Y0.00 Z0.00
G10 L2 P7 X0.00 Y0.00 Z0.00
G10 L2 P8 X0.00 Y0.00 Z0.00
G10 L2 P9 X0.00 Y0.00 Z0.00
M486 S-1 -
@dc42 @T3P3Tony I hope you are the ones to tag. I'm really needing someone that works for Duet3D to help with this issue and determine if I need a warranty replacement or something else. The website said this forum was where to go. I've been down for a week now trying to resolve this after no issues at all for the last 3 months since install. I've posted the results of M122, my config.g file and my override file. So far I've had a few suggestions to check what seems like basic stuff but no real help. Anything I've done has not helped and just results in the same error of MemoryProtectionFault. Thank you.
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Hello, yes it seems to be a hardware problem that we can't pin point. Thanks for your troubleshooting attempts and the info provided. A warranty replacement is authorized. Please send an email to warranty@duet3d.com and CC your reseller. Include a link to this forum thread and the details of your original purchase. You'll receive a reply with a form to fill out.
Sorry for the inconvenience.
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@phaedrux Thank you. I'll get all that going when I get home from work tonight. How long do you think this process will take before I have the replacement in hand? I've been printing some things for my wife's business and I'm behind now.
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Hard to say for sure, but approximately a week maybe?
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@phaedrux Thank you. I can deal with a week without having to put something else together to get by.
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@phaedrux Email was sent with all information and online form has been filled out and a copy received. Thanks again for the help.
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@Phaedrux I received the replacement board Thursday and installed it yesterday. After a couple prints of about 3 to 4 hours each, it's working well. The prints have come out better looking than before also and I've made no changes to the configuration. Thank you for your help!
