Hypertherm XPR460 - Symptoms; Corrective Action; Troubleshooting for a Console Reset Message; Diagnostic Code 691

Symptoms
Code Symptoms XPR models XPR action Code cancels with...
655 A chopper finds current during the Preflow/Charge
DC state.
All models Shut down • Start process
• Set process
• Remote on-off
Corrective action
1. Examine the consumable parts for damage or excess wear.
2. If it is necessary to replace a consumable part, refer to Install the consumables on page 149.
3. Examine the torch lead, and look for a short or open line condition.
Troubleshooting for a console reset message
Diagnostic code 691
Diagnostic code 691 occurs when the console 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 cut-
ting system.
All models Shut down • Set process
• Remote on-off
Corrective action
1. Examine the grounding for the cutting system.
High frequency EMI (also known as noise) can reset the CAN node.
2. Make sure that the green power-indicator 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:
a. Loose and poorly connected connectors and CAN cables
b. Signs of 120 V (the D1 LED is illuminated)
4. If D1 is illuminated, examine the plasma power supply control PCB.
Diagnostics and Troubleshooting
8
347811530Instruction ManualXPR460