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Thermal Dynamics AUTO-CUT 300 XT - User Manual

Thermal Dynamics AUTO-CUT 300 XT
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ThermalDynamics.com
480V
®
AUTO-CUT 300 XT
PLASMA CUTTING SYSTEM
Operating
Manual
Revision: AE Issue Date: May 27, 2015 Manual No.: 0-5300

Table of Contents

Questions and Answers

  • N
    Nicholas JonesJul 31, 2025
    Why is the pilot ignition failing on my Thermal Dynamics AUTO-CUT 300 XT?
    • T
      tina64Jul 31, 2025
      Pilot ignition failure may occur due to several reasons. Check if the torch consumable parts are worn. If they are, ensure the current control setting matches the consumables. High plasma pressure, a defective arc starter, a defective Pilot PCB, or a defective Inverter section 1A could also be the cause.
  • G
    grant09Aug 4, 2025
    Why does my Thermal Dynamics AUTO-CUT 300 XT have pilot timeout and no transfer?
    • E
      elizabethosborneAug 4, 2025
      Pilot timeout with no transfer can happen if the standoff is too high, or there's a void in the work under the torch. It could also be due to the current control setting being too low for the consumables, resulting in pilot current that is too low. Wrong gas pressure may also be the reason.
  • L
    Lindsey KingAug 9, 2025
    What causes a tip to electrode voltage fault in Thermal Dynamics AUTO-CUT 300 XT Welding System?
    • W
      William JenningsAug 9, 2025
      A tip to electrode voltage fault can be caused by several factors, including the tip voltage being too close to the electrode voltage, the rear panel gas switch being set to the wrong gas, worn-out torch consumable parts, wrong consumables installed causing a tip to electrode short, plasma pressure being too low, a leak in the plasma hose to the torch, the current control set too high for consumables, a defective Pilot PCB, or a shorted torch body.
  • M
    markskristenAug 13, 2025
    What causes a lost pilot on Thermal Dynamics Welding System?
    • D
      Donna PachecoAug 13, 2025
      A lost pilot can occur if the torch consumable parts are worn. If this is the case, ensure the current control setting matches the consumables. Also, excessively high plasma pressure may cause this issue.
  • T
    Troy DouglasAug 17, 2025
    What does 'Tip Saver Fault' mean on Thermal Dynamics AUTO-CUT 300 XT Welding System?
    • K
      Kimberly AndrewsAug 17, 2025
      The 'Tip Saver Fault' indicates that the tip remained in contact with the work for more than 15 seconds (Pak200i).
  • G
    gutierrezkevinAug 21, 2025
    How to troubleshoot 'Plasma Disabled' on Thermal Dynamics AUTO-CUT 300 XT?
    • L
      Lori ObrienAug 21, 2025
      The 'Plasma Disabled' message indicates that the external disable is activated, the CCM TB1-1&2 jumper is missing, or the 40 circuit ribbon cable from the Relay PCB to CCM is disconnected or defective. Ensure the plasma enable is off.
  • S
    Samantha WhitakerAug 26, 2025
    What does 'Device Locked' mean on Thermal Dynamics AUTO-CUT 300 XT?
    • R
      rodriguezjulieAug 26, 2025
      The 'Device Locked' message on DFC 3000 indicates that a process is loading; wait until it is finished.

Summary

SECTION 1: SAFETY

Safety Precautions - ENGLISH

Summarizes precautionary information from references for installation and operation.

Précautions de sécurité - FRENCH CANADIAN

Summarizes precautionary information in French for installation and operation.

SECTION 2: SPECIFICATIONS

Power Supply Specifications & Electrical Requirements

Details technical specifications, duty cycle, operating range, and electrical input requirements.

Gas Requirements

Lists required gases, quality, pressure, flow, and quality specifications.

XT-301 Torch Specifications

Provides dimensions, lead lengths, and part details for the XT-301 Torch.

SECTION 3: INSTALLATION

Installation Requirements

Outlines requirements for electrical supply, gas supply, and cooling system setup.

Cables and Leads Identification

Provides a diagram identifying system cables and their connections.

Cables & Leads Identification

Details specific cable types, colors, and their connections.

Connect Input Power and Ground Cables

Step-by-step guide for connecting primary input power and system ground cables.

Ground Connections

Detailed procedures for creating earth grounds and minimizing EMI.

Set Switches on the Command - Control Module

Details on configuring switches on the Command-Control Module for operation.

Voltage Divider for iHC Torch Height Control

Instructions for installing the Voltage Divider board for iHC height control.

Fill Cooling System

Procedure for filling the coolant tank and checking the system.

SECTION 4: OPERATION

System Operation

Step-by-step guide for starting up and operating the plasma cutting system.

Power Supply Status Codes

Lists and explains status codes indicating system conditions or faults.

SECTION 5: MAINTENANCE

General Maintenance

Provides a periodic maintenance schedule for the power supply.

Arc Starter Service

Troubleshooting chart for common arc starter issues and their remedies.

SECTION 6: REPLACEMENT ASSEMBLIES & PARTS

SECTION 7: TORCH MAINTENANCE

APPENDIX 1: CNC Control Module

APPENDIX 17: Advanced Troubleshooting

101 Plasma Enable Is Disabled

Explains code 101 and its causes related to plasma enable settings.

102 Pilot Ignition Failure

Details code 102 and common causes for pilot ignition failure.

201 Missing AC Phase

Explains code 201 and troubleshooting steps for missing AC phases.

401 Coolant Level Low

Explains code 401 and troubleshooting for low coolant level.

501 CANBUS Failure to Acknowledge Fault

Explains code 501 and troubleshooting for CANBUS failure to acknowledge.

612 USB Port Power Fault

Explains code 612 and troubleshooting for USB port power faults.

Thermal Dynamics AUTO-CUT 300 XT Specifications

General IconGeneral
Open Circuit Voltage (OCV)300 VDC
Operating Temperature14°F to 104°F (-10°C to 40°C)
Output Current30A
Duty Cycle60% @ 100 A
Cutting Capacity (Recommended)3/8 in (10 mm)
Cutting Capacity (Maximum)1-1/4 in (32mm)
Pierce Capacity3/8 in (10 mm)
Cutting Capacity1-1/4 in (32mm)
Gas SupplyCompressed Air or Nitrogen
Gas Flow5.3 cfm (150 lpm)
Gas TypeCompressed Air or Nitrogen

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