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Thermal Arc 400MSTW CC User Manual

Thermal Arc 400MSTW CC
81 pages
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A THERMADYNE
®
Company
INVERTER
ARC
WELDER
MODEL 400MSTW CC/CV
• STICK
•TIG - Lift Start
•MIG - Short Circuit
- Globular
- Spray
OPERATING MANUAL
July 1, 2001 Manual No. 430429-490
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Thermal Arc 400MSTW CC Specifications

General IconGeneral
Input Frequency50/60 Hz
Output Current Range5 - 400 A
Input Voltage208/230/460 V
Welding ProcessesGTAW (TIG), SMAW (Stick)
Duty Cycle60% at 400A

Summary

General Information

Notes, Cautions, and Warnings

Explains the categorization and importance of notes, cautions, and warnings used throughout the manual.

Safety Precautions

Details critical safety measures for operating plasma arc welding equipment, covering hazards like fumes, gases, electric shock, fire, and noise.

Introduction and Description

Electrical Input Connections

Explains how to safely connect the welding power source to the electrical input, including voltage matching and fuse selection.

Operator Controls

Setup and Operation

Guides users through selecting welding modes, setting parameters, and preparing for operation, including specific welding processes.

Save/Load Operation

Basic Troubleshooting

Common Welding Operation Faults

Lists common faults encountered during welding operations, categorized by power issues and poor weld quality.

Specific Problems Guide

Provides a structured guide to diagnose and resolve specific welding output issues, with causes and remedies.

Error Code List

Lists error codes generated by the welding machine, their meanings, and recommended actions for resolution.

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