LCR Electronics Maintenance - directedmachines/customer-support GitHub Wiki

Table of Contents

Overview

This describes procedures for working on the low current electronics of the LCR.

Shutdown Procedure

Before working on low current, 12V electronics subsystems, please follow the power down procedure in TB7

Pi replacement

  1. After power down procedure has been followed, disconnect PI USB C power cable from PI and cover in tape
  2. Remove SD card from PI, put in safe spot
  3. remove USB cables plugged into PI, put aside somewhere away from motor controllers and active 48V cables
  4. Replace PI by removing it from stand offs (unscrew them) and putting in new PI, same orientation
  5. Place SD card in new PI
  6. Plug in USB cables, in same USB ports (See Main Electronics Instructions)
  7. Plug in PI USB C power cable
  8. follow Power on procedure from technical bulletin 7, linked in earlier, power down, section

USB 7 port Hub replacement

Please power down, then follow #003291 IP65 HCE Tray Instructions