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LORCH M 2080 - User Manual

LORCH M 2080
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910.1053.1-12
Operation Manual
MIG/MAG Welding System
M-Series

Questions and Answers

  • Y
    Yvonne ColeAug 20, 2025
    Why is my LORCH M 2080 Welding System machine switching off?
    • S
      saguirreAug 20, 2025
      The LORCH Welding System machine might be switching off due to the duty cycle being overloaded, which is indicated by control lamp 39. Allow the machine to cool down. Another cause could be insufficient cooling of machine parts, so check the air inlet and outlet.
  • A
    Andre HowardAug 22, 2025
    What to do if there is less welding performance in my LORCH Welding System?
    • R
      Robert HuangAug 22, 2025
      If your LORCH Welding System exhibits less welding performance, it could be due to several reasons: * A missing phase: Check the machine at another socket and inspect the mains and fuses. * Poor ground connection: Ensure the best possible contact between the ground clamp and the workpiece. * Ground cable not properly plugged in: Fasten the ground cable by turning the plug to the right. * Defective torch: Repair or replace the torch. * Defective main rectifier: Check and replace the main rectifier, if required.
  • J
    josephmillerAug 25, 2025
    What to do if my LORCH M 2080 Welding System has irregular or no wire feeding?
    • P
      petersonchristopherAug 25, 2025
      If your LORCH Welding System is experiencing irregular or no wire feeding, consider the following: 1. Incorrect contact pressure at the wire-feed rolls: Adjust it as described in the manual. 2. Torch defect: Check and replace if necessary. 3. Missing or dirty brass pipe in the central connection: Install or clean the brass pipe. 4. Poor quality of welding wire: Check and replace if necessary. 5. Rust formation on the welding wire: Check and replace if necessary. 6. Dirty torch liner: Disconnect the torch, unscrew the contact tip, and clean the liner with compressed air. 7. Dejected torch liner: Check and replace if necessary. 8. Motor brake adjusted too strongly: Adjust as described in the manual. 9. Defective main rectifier: Check and replace if required.
  • T
    Thomas HahnAug 26, 2025
    Why is there no shielded gas coming from my LORCH Welding System?
    • C
      Christina ReidAug 27, 2025
      If there is no shielded gas in your LORCH Welding System, the possible causes are: * The gas cylinder is empty: Replace it. * Defective torch: Check and replace it. * Pressure reducer is dirty or defective: Check and replace it. * Valve of gas cylinder defective: Replace the gas cylinder.
  • S
    Scott HuynhAug 28, 2025
    What to do if my LORCH M 2080 Welding System's torch button doesn't work?
    • P
      Paul WilliamsAug 28, 2025
      If there is no function when the torch button is pressed on your LORCH Welding System, the issue might be: * The nut of the torch hose is not tight: Tighten it. * No connection of the control cable in the torch hose: Check and change if necessary. * Overload of the machine and thermal protection is active (control lamp 39 indicates overload): Allow the machine to cool down at no load.
  • M
    Michelle MoralesAug 30, 2025
    Why is my LORCH M 2080's shielding gas not switching off?
    • M
      michelethompsonAug 30, 2025
      If the shielding gas in your LORCH Welding System is not switching off, it could be because the valve of the gas cylinder is dirty or does not close. Remove the torch and pressure reducer and clean it with compressed air.
  • C
    Caleb MuellerSep 1, 2025
    Why is the plug of ground cable hot in my LORCH M 2080?
    • T
      Timothy FosterSep 1, 2025
      If the plug of the ground cable is hot on your LORCH Welding System, check that the plug was tightened by turning it to the right.
  • D
    David CrossSep 3, 2025
    What causes an unstable arc in my LORCH Welding System?
    • D
      Dustin DunnSep 3, 2025
      An unstable arc in your LORCH Welding System can be caused by a contact tip with the wrong diameter or a worn-out contact tip. Change the contact tip.
  • S
    shannonrushSep 5, 2025
    How to fix irregular wire feeding in LORCH M 2080 Welding System?
    • P
      Paul WeeksSep 5, 2025
      Irregular wire feeding or wire welds to the contact tip in your LORCH Welding System can occur if the wire electrode is tight at the spool. Check and change it if necessary. It can also happen if there is a burr at the wire beginning, so cut the wire beginning again.
  • K
    Kathryn ThompsonSep 7, 2025
    Why is my LORCH Welding System's torch too hot?
    • S
      Sabrina ThorntonSep 7, 2025
      If the torch of your LORCH Welding System is too hot, check if the contact tip is tight.

Summary

Safety Precautions and Regulations

Transportation Guidelines

Instructions for safely transporting the welding equipment, including lifting and securing.

General Use Regulations

Specifies the intended use of the unit for welding steel, aluminum, and brazing.

Unit Protection Features

Details electronic overload protection and proper stepswitch usage.

Noise Emission Level

States the sound level of the unit is below 70 db(A) under standard load.

Electromagnetic Compatibility

EMC Compliance and Usage

Product conforms to EMC standards; outlines potential disturbances in residential areas.

Technical Data Overview

Operation Setup Procedures

Torch Connection

Connect the torch plug to the central socket on the machine.

Connect to Mains

Plug the unit into the mains socket, ensuring correct fusing.

Wire Spool Insertion

Mount the wire coil on the pick-up and adjust the brake.

Wire Electrode Insertion

Insert the wire electrode through the gas nozzle and central connection.

Connect Ground Cable

Connect the ground cable to the machine's ground connection and workpiece.

Connect Ground Clamp

Fasten the ground clamp securely near the welding location for good contact.

Connecting the Gas Cylinder

Modifying for Aluminium Welding

Starting Up the Welding Unit

Operating Panel Controls

Overview of the main operating panel controls for welding.

Main Switch and Voltage Selection

How to switch on the unit and select the mains voltage range.

Mode Selector Switch

Select welding modes like 2-stroke, 4-stroke, or spot welding.

Step Switch for Fine Tuning

Adjust welding voltage for precise tuning based on material.

Wire-Feed Control Knob

Fine-tune the wire feed speed for optimal welding.

Spot Welding Control Knob

Adjust the duration for spot welding operations.

Overload Indicator

Warning light indicating unit overload, requiring cooling.

MIG;MAG Welding Process Basics

MIG;MAG Welding Principle

Explains the fundamental process of MIG/MAG welding.

Arc Types Explained

Details different arc types like short circuit, transitional, long, and spray arcs.

MAG Welding Working Range

Outlines working ranges for MAG welding based on wire diameter and gas.

MSG-Soldering Principle

Describes the msg-soldering process and its similarity to welding.

Torch Handling and Arc Control

Arc Length Adjustment

Explains how arc length affects penetration, bead width, and spattering.

Wire Electrode Length

Details the effect of torch-to-workpiece distance on electrode extension.

Care and Maintenance

Troubleshooting Common Issues

Available Options

Product Disposal Information

Service and Contact Information

Certificate of Conformity

Publisher Information

LORCH M 2080 Specifications

General IconGeneral
Duty Cycle at 160 A100%
Duty Cycle at 200 A60%
Mains Voltage230 V
Mains Frequency50/60 Hz
Protection ClassIP23
Insulation ClassF
Rated Welding Current at 40°C200 A
TypeMIG/MAG
Power SupplySingle Phase
Welding ProcessesMIG/MAG, MMA, TIG

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