Troubleshooting for a console reset message

Diagnostic code 691

Diagnostic code 691 occurs when the main control Printed Circuit Board (PCB) receives a console reset message.

Symptoms

Code Symptoms XPR® models XPR action Code cancels with...
691 The main control PCB receives a console reset message after power is supplied to the plasma cutting system. All models Shut down Remote on-off

Corrective action

  1. Examine the grounding for the cutting system.

    High frequency Electromagnetic Interference (EMI) (also known as noise) can reset the Controller Area Network (CAN) node.

  2. Make sure that the green power-indicator Light Emitting Diode (LED) on the gas connect console and on the TorchConnect console is illuminated.
  3. If an LED is not illuminated, examine the power distribution PCB and look for:
    • Loose and poorly connected connectors and CAN cables
    • Signs of 120 V (the D1 LED is illuminated)
  4. If D1 is illuminated, examine the plasma power supply control PCB.
  5. Make sure that the remote on-off switch is in the ON position (enabled) and the D89 LED is illuminated.​

    If necessary, set the remote on-off switch to OFF and then back to ON.

  6. If you cannot find or correct the problem, speak to your cutting machine supplier or regional Hypertherm® Technical Service team.

    Make sure that you have the record ID for the error.