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Y axis test failure after firmware upgrade  

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Brad
 Brad
(@brad-13)
Member
Y axis test failure after firmware upgrade
  1. I pulled my Prusa Mini printer out of a box after we moved 2 years ago.
  2. I do a self test and then calibration to check nozzle height. Works fine.
  3. I see I'm running old firmware... v4.0.4
  4. I upgrade to v4.4.0 as instructed online to get new bootloader.
  5. Y axis test fails. It does a short movement forward and back then stops.
  6. I upgrade to the latest version of the firmware v6.2.0
  7. Still have the same problem.
  8. Once or twice during reboot I got a G28; Unexpected Y stop trigger.
  9. Y axis moves freely when I moved it via the Move Axis menu... but on the end of range it hits a hard stop before the software thinks it's at either 180 or 0.

 

This topic was modified 3 hours ago by Brad
Posted : 31/01/2025 8:42 pm
Brad
 Brad
(@brad-13)
Member
Topic starter answered:
RE: Y axis test failure after firmware upgrade

Ah. It happened again. I selected XY Axis Test, crash happened, red error page with "G28: Unexpected Z MAX endstop trigger"

 

Posted : 31/01/2025 9:44 pm
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