L-TEC PLASMAWELD 402 - User Manual

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PLASMAWELD 202, 402 Instruction manual PLW 202 1 010 210 00, PLW 402 1 010 177 00 – Version 2/2008

L-TEC Schweißtechnik GmbH

Walzwerkstraße 8a | D-57537 Wissen

Phone: (+49) 27 42 / 75-0 | Fax: (+49) 27 42 / 7 52 71

E-Mail: info@ltec-wissen.de | Internet: www.ltec-wissen.de

Table of Contents

Questions and Answers

J
Jason LeeAug 5, 2025
What to do if my L-TEC Welding System has a malfunction?
- M
  Matthew LongAug 5, 2025
  If the L-TEC Welding System malfunctions, begin by checking for common issues such as the main input voltage, fuses, gas supply, and electrical connections. Inspect fault indications and the digital readout. Verify that the fans and water pump are running and listen for any unusual noises. Ensure there are no operational errors, torch problems, or issues with the HF. Measure the open circuit voltage by setting switch k to the appropriate symbol and measuring between the output terminals. Finally, check the logic functions of the power source.

Summary

Safety Advice

Electric Shock Hazards

Warning about fatal electric shock hazards during welding operations.

Fume and Gas Health Risks

Warning about health dangers from welding fumes and gases.

Arc Ray Injury Risks

Warning about eye injury and skin burns from arc rays.

Fire Hazard Warnings

Warning about fire risks from sparks and spatters during welding.

Malfunction Procedures

Technical Data PLW 202

Technical Data PLW 402

Installation Guide

Mains Connection

Details on connecting the welding unit to the mains power supply.

Coolant System

Gas Connection Procedure

Guide to connecting gas cylinders and hoses for welding.

Torch Connection

How to connect welding torches and their associated hoses.

Pilot Arc Current Adjustment

Work Return and Electrode Holder

Automatic Welding Connection

TIG Welding Setup

Manual Metal Arc Welding Setup

Starting Up Procedures

Plasma Welding Start Up

Step-by-step guide for starting plasma welding operations.

Welding Operations

Plasma Welding Process

Detailed steps and parameters for plasma welding.

Welding Modes and Start Up

TIG Welding Modes

MMA Welding Start Modes

Plasma Welding Recommended Data

Maintenance Guidelines

Troubleshooting Guide

Control Panel Functions Description

Wiring Diagram

L-TEC PLASMAWELD 402 Specifications

General

Brand	L-TEC
Model	PLASMAWELD 402
Category	Welding System
Language	English

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