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puris

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Everything posted by puris

  1. It started getting worse in May this year and got to the point that it wouldn't display anything when turned on. I left the shop for the summer (it's at my university) so I couldn't debug them until yesterday. Here's what happened: Disassembled printer Flashed recovery to red board via micro SD card and verified over HDMI output The Ultimaker logo showed up again but it failed to boot until after a few flashes -- we think it was because the HDMI was still connected Once it booted it was on an old firmware: 4.3.3 Connected over Ethernet and updated to 4.3.27 (?) After updating, it asked to update again to major version 5 (latest, 2019-05-??) It wouldn't boot on 5 so we had to reflash the recovery again a few times Suddenly started working on 5 after we disconnected Ethernet -- this might have been because we have a Raspberry Pi that repeatedly polls our printers once they broadcast their existence over mDNS Reassembled Tried to load material, failed with an error message about failed communication with the print head Restarted, got stuck on Ultimaker logo After a few restarts, booted Loaded material Printing (now)
  2. I managed to get it printing after a few more days of troubleshooting. After doing any update, the printer does get stuck just displaying Ultimaker. Once the logo displays, I wait for a period of about a minute, then turn off the printer and unplug it. I wait another 10 to 15 seconds and plug it back in and turn it on. Only then does it decide to boot. If I flash the firmware again, I have to do the same thing. It seems to be fine now, but I'm afraid that I might brick it if I update it again. I can't post a full log at the moment, I'm away from the shop for the holidays. I should be uploading it sometime in the second week of January.
  3. I have been running 3 Ultimakers in a small shop for about 3 months now with few to no issues. With the recent firmware release (12/04), I upgraded the firmware for all three. However, one of them, the one that's been in use the longest, has an unusual boot issue. After the firmware upgrade process completes the first part and it reboots, the printer is stuck with "Ultimaker" on the screen, the dial light on, and the frame lights on at full brightness. A power cycle does nothing, but a power cycle waiting 10+ seconds allows it to boot seemingly normally. In this state, network prints fail, the Cura web panel for the printer unable to show current printer sensor status. I have tried redoing the firmware update manually with a USB using 4.1.4 (12/04) and 4.0.1 but to no avail. I pulled the USB logs, there's some stuff about being unable to access the motion controller and other things but I'm not sure how that's exactly related. I'm all out of ideas, so I'm hoping someone out there might be able to lend a helping hand. Here's a snippet from one of the logs showing the errors: https://pastebin.com/Nhmp9mGA
  4. Hi everyone, I have been running 3 Ultimakers in a small shop for about 3 months now with few to no issues. With the recent firmware release (12/04), I upgraded the firmware for all three. However, one of them, the one that's been in use the longest, has an unusual boot issue. After the firmware upgrade process completes the first part and it reboots, the printer is stuck with "Ultimaker" on the screen, the dial light on, and the frame lights on at full brightness. A power cycle does nothing, but a power cycle waiting 10+ seconds allows it to boot seemingly normally. In this state, network prints fail, the Cura web panel for the printer unable to show current printer sensor status. I have tried redoing the firmware update manually with a USB using 4.1.4 (12/04) and 4.0.1 but to no avail. I pulled the USB logs, there's some stuff about being unable to access the motion controller and other things but I'm not sure how that's exactly related. I'm all out of ideas, so I'm hoping someone out there might be able to lend a helping hand.
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