Prusa supplied USB stick causes watchdog timer fault and reboots printer during print
 

Prusa supplied USB stick causes watchdog timer fault and reboots printer during print  

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Greg
 Greg
(@greg-15)
Active Member

New mini printed about 10 items successfully before starting acting strange.  The print stopped in the middle and displayed a "watchdog timer" error.  I did a quick post on a facebook Prusa Mini users group.  Recommendation was to swap the USB sticks.  I first tried formatting the supplied USB stick.  I re-loaded the file and re-started print.  Error happened at the second layer.  I swapped the USB drive with one I had and the problem appears to have cleared.

Has anyone else experienced this with the Prusa supplied USB stick?  It was reported by at least two people on the Facebook forum, so I suspect they may have a batch of bad USB sticks.

Posted : 05/06/2020 10:26 pm
With_Maltodextrin
(@with_maltodextrin)
Trusted Member

This has been reported a bit, yes, the Mini firmware doesn't handle a dying USB stick very well. And the ones shipped with the Mini aren't of the usual Prusa quality standard IMO. (My stick died after about a week)

Nothing is wrong with your Mini, just use a different stick as you have already found.

Posted : 05/06/2020 11:37 pm
Karlos
(@karlos)
Active Member

Same here. 2bout of my first 4 prints failed with watchdog error. After that I switched to a branded Stick and had no issues since.

Posted : 09/06/2020 10:27 pm
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