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Version: 1.12.04

Flash Firmware

Critical Safety Warning

Before flashing firmware, you MUST:

  • ❗ Disconnect 24V DC bus power - USB power ONLY during flash
  • ❗ Remove all connected devices - Flash nodes individually
  • ❗ Do NOT disconnect USB during flash - Risk of permanent damage
  • ❗ Be patient - Flash can take up to 1 minute, do not interrupt

Failure to follow these steps may brick your node and require factory service.

Firmware

  1. Connect the node you want to flash to the computer using the USB Type-C cable
  2. Open Leash app and connect to the node
  3. Navigate to the settings tab
  4. Confirm the node details are connect
  5. Choose a firmware version. Auto mode will automatically select the best firmware file for your hardware.
  6. click FLASH
  7. After clicking FLASH, be patient. It can take up to a minute for the node to enter the correct mode. The node will automatically restart.
  8. confirm node firmware version is updated after it reconnects.

Firmware

Troubleshooting​

Firmware flash fails​

  1. Preparation:

    • Disconnect 24V bus power
    • Connect only USB Type-C
    • Close other applications using serial port

  2. Retry:

    • Physically disconnect node
    • Close and reopen Leash app
    • Reconnect node
    • Try again

  3. Recovery:

    • If node becomes unresponsive, contact support

Node says firmware version may be incorrect​

  • contact support

Node behaves erratically after update​

  • Reflash firmware
  • Reset node settings to factory defaults

Having issues? See Troubleshooting