D3D v20.04 Troubleshooting and Repair

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Revision as of 03:04, 20 April 2020 by Marcin (talk | contribs)
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Stepper Motion

  • Stepper motor, wire, stepper driver, RAMPS board, or Arduino itself can be broken. How to identify which it is? Here is a systematic procedure that verifies things from easiest to hardest.
  1. Replug, replace cable - quick
  2. Replace stepper driver - quick
  3. Replace stepper motor - 3 screws, 1 belt plug, and we're done! By design, the 3 mounting screws are exposed - motor can be replaced in situ without any other machine disassembly. Entire procedure is done in 5-10 minutes including retest of correct motion direction. MJ data point was 10 minutes.
  4. Replacing RAMPS - a number of connections must be disconnected - about 20 connections must be disconnected Takes 5-15 minutes
  5. Replacing Arduino - zip ties must be cut, board must be separated from the RAMPS, most connections must be taken off. This is about 15 minutes for a skilled person. A clear video is needed here to train someone fully on this procedure.
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