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Mainboard Precautions

Power Indicator Light​

  • When powered only through TYPE-C without connecting to other mainboard power, at least two lights should be on: 3.3V and 5V.
  • After connecting to the mainboard power, the mainboard power light should show 3.3V, 5V, and VCC.

Troubleshooting​

Note
  • In the absence of any external devices (drivers, limit switches, 12864, etc.)
  • At least one light 3.3V should remain on when powered only through TYPE-C.
  • If the 5V light does not turn on after connecting the mainboard power and driver power, contact customer service for assistance.

Driver​

  • The mainboard supports external drivers Wiring and Configuration Guide

Limit Switch Port​

  • Pay attention to the wiring sequence. For three-wire limit switches, if 5V, GND, and S are connected incorrectly, it could damage the mainboard.
  • If using a two-wire connection, connect S and GND directly.
  • For PL08 and other proximity switches, an external diode must be added to the signal port to reduce the voltage to below 3.3V.