2026-10-10Quick troubleshooting for CAN communication failure
  1. Measure power‑supply voltage with multimeter.

  2. Configure CAN software parameters matching CAN adapter.

  3. Set correct baud rate (factory default 125 K).

  4. Baud‑rate mismatch may break communication. Try adding 120 Ω termination resistor between CANH and CANL.


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