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SD Read Error
#1
Recently flashed my Da Vinci to Repetier and printed a few small calibration cubes using the SD card and so far so good.

However, on longer prints, I have been getting an "SD READ ERROR" which is problematic, because the extruder stops moving but the heaters stay on. To further test, I used a new/different SD card, but the same issue occurs. Below is a the serial output shown when it quits:

Quote:.......
Unknown command:M106 S255
Unknown command:M107
Unknown command:M106 S255
Unknown command:M107
Unknown command:M106 S255
Error:Wrong checksum
Error:Format error
Error:Format error
Error:Format error
Unknown command:
Error:Format error
Unknown command:
Error:Format error
Unknown command:
Error:Format error

.......
Unknown command:
Error:Format error
Unknown command:
SD read error
Error:SD error did not recover!
Done printing file
wait
wait
wait

Any thoughts? I am going to try and remove all M106 and M107 commands next just to make sure, but they are just fan controls and the amount of time I am able to print varies. Any thoughts would be extremely helpful, printing from SD is too handy to give up (especially if I have other issues going on).

thanks!

(I have tried converting to binary gcode with the use of repetier host as well, but it did not help)
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#2
Are you uploading your files to the SD card and then printing from the SD card?

If not, you might try another computer or a different USB cable. I've actually never heard of this problem before so this is just a guess.

Kieth
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#3
Did you ever figure this out?  I am having the same issue with a FlashAir III.  After about 10 minutes, I get the "SD read error" message.
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#4
(08-22-2016, 04:40 PM)ne14pez Wrote: Did you ever figure this out?  I am having the same issue with a FlashAir III.  After about 10 minutes, I get the "SD read error" message.

I'm not sure if  others have had the problem.  If you uploaded the file to the card,  I would download it from the card and check the checksum.  It's possible something in the file is confusing the firmware.  Again,  just a guess since I've never had the issue. 

Kieth
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