LORCH M-Pro BasicPlus - User Manual

LORCH M-Pro BasicPlus

328 pages

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909.1429.9-12

M-Pro BasicPlus

M-Pro ControlPro

DE

Bedienungshandbuch Seite 2

EN

Operation Manual Page 30

ES

Manual de instrucciones Página 58

NL

Bedieningshandboek Pagina 86

RU

Руководство пользователя стр. 114

FR

Manuel d‘utilisation Page 144

CS

Návod k použití Strana 172

IT

Manuale di istruzioni Pagina 200

PL

Podręcznik użytkownika Strona 228

PT

Manual de utilização Página 258

Table of Contents

Questions and Answers

S
sandovalrebeccaNov 22, 2025
Why is the wire feed on my LORCH M-Pro BasicPlus irregular or failing?
- V
  Veronica TorresNov 22, 2025
  If the wire feed on your LORCH Welding System is irregular or has failed, there are several potential causes: * Incorrect contact pressure on the wire feed unit. Adjust the pressure as detailed in the operating instructions. * A faulty torch. Inspect the torch and replace it if necessary. * A missing or dirty guide tube in the central socket. Insert the guide tube or clean it. * A badly wound welding wire reel. Check the reel and replace it if necessary. * Surface rust on the wire electrode. Check the electrode and replace if necessary. * A torch internal coil clogged with abrasion dust. Unscrew the torch, remove the contact tip, and blow out the coil with compressed air. * A flexed torch internal coil. Check the coil and replace it if necessary. * A wire brake setting tha...
B
Barbara NelsonAug 25, 2025
Why is the welding power reduced on my LORCH M-Pro BasicPlus Welding System?
- C
  cookjessicaAug 26, 2025
  If you notice reduced welding power in your LORCH Welding System, consider the following: * A missing phase. Try a different power socket and check the supply cable and mains fuses. * Insufficient ground contact at the workpiece. Ensure a good, clear ground connection. * The ground cable is not correctly inserted. Lock the ground connector by turning it clockwise. * A faulty torch. Repair or replace the torch.
M
Michael AndersonAug 27, 2025
What to do if the inert gas feed is insufficient on my LORCH M-Pro BasicPlus Welding System?
- M
  martinezrobertoAug 27, 2025
  If the inert gas feed is insufficient in your LORCH Welding System, consider these possible causes: * The inert gas quantity is set incorrectly at the pressure reducer. Adjust the setting as described in the operating instructions. * A dirty pressure reducer. Check the pressure reducing nozzle. * A blocked or leaking torch or gas hose. Check these components and replace if necessary. * Draughts blowing the inert gas away. Eliminate the draughts.
K
Kayla SmithAug 27, 2025
Why does my LORCH Welding System keep switching off?
- B
  bruce58Aug 27, 2025
  If your LORCH Welding System switches off unexpectedly, it could be due to: * Exceeding the duty cycle. Allow the equipment to cool down at no-load. * Insufficient cooling of components. Check the air inlet and outlet on the equipment.
M
Michelle BarberAug 28, 2025
What to do if inert gas is missing from my LORCH Welding System?
- M
  manuelcarrilloAug 29, 2025
  If inert gas is missing from your LORCH Welding System, consider the following: * The gas cylinder is empty. Replace it. * The torch is faulty. Check and replace if necessary. * The pressure reducer is dirty or faulty. Check and replace if necessary. * The gas cylinder valve is faulty. Replace the gas cylinder.
J
Jason HillSep 18, 2025
What to do if inert gas does not switch off on my LORCH Welding System?
- G
  Gregory MorenoSep 18, 2025
  If inert gas does not switch off in your LORCH Welding System, the gas valve might be dirty or sticking. Remove the torch and pressure reducer, then blow out the gas valve in the opposite flow direction with compressed air.
S
Scott WheelerSep 15, 2025
Why is the arc unstable on my LORCH Welding System?
- C
  Cynthia LittleSep 15, 2025
  If the arc is unstable in your LORCH Welding System, it could be because the contact tip does not match the wire diameter or the contact tip is worn. Check and replace if necessary.
A
Ann LarsonSep 16, 2025
Why does the ground cable connector become hot on my LORCH Welding System?
- I
  icruzSep 16, 2025
  If the ground cable connector of your LORCH Welding System becomes hot, check if the connector was locked by turning it clockwise.
J
James DorseySep 6, 2025
Why is the control panel completely dark on my LORCH M-Pro BasicPlus Welding System?
- K
  Kelly DavisSep 6, 2025
  If the control panel of your LORCH Welding System is completely dark, a phase might be missing. Check the equipment at a different power socket, and inspect the supply cable and mains fuse.
T
Tracey GraySep 4, 2025
What causes wire to stick or burn onto the contact tip of my LORCH M-Pro BasicPlus Welding System?
- D
  Douglas JonesSep 4, 2025
  If the wire is sticking or burnt onto the contact tip of your LORCH Welding System, it could be: * The wire electrode is jammed on the reel. Check and replace if necessary. * There is a burr at the start of the wire. Trim the end of the wire.

Summary

1 Machine elements

2 Explanation of symbols

3 Safety precautions

10 Setup and transport

11 Brief operating instructions

12 Before start-up

12.1 Connecting the torch

Details on how to connect the welding torch to the machine.

12.2 Connecting the ground cable

Instructions for connecting the ground cable for proper electrical circuit.

12.3 Select mains voltage

12.4 Fastening the ground clamp

Proper methods for attaching the ground clamp to the workpiece.

12.5 Insert the welding wire spool

Step-by-step guide for loading the welding wire spool.

12.6 Thread the wire electrode in

Instructions on how to feed the welding wire through the machine.

12.7 Connecting the inert gas cylinder

Procedure for connecting the gas cylinder and regulator.

12.8 Changing the wire electrode

13 Start-up

13.1 Control console BasicPlus

13.2 Control console ControlPro

13.4 Characteristic connection

13.5 Main parameters

13.6 Secondary parameters

14 Messages

15 Troubleshooting

16 Repair and maintenance

16.1 Check regularly

17 Technical data

Summary

1 Machine elements

2 Explanation of symbols

3 Safety precautions

10 Setup and transport

11 Brief operating instructions

12 Before start-up

12.1 Connecting the torch

Details on how to connect the welding torch to the machine.

12.2 Connecting the ground cable

Instructions for connecting the ground cable for proper electrical circuit.

12.3 Select mains voltage

12.4 Fastening the ground clamp

Proper methods for attaching the ground clamp to the workpiece.

12.5 Insert the welding wire spool

Step-by-step guide for loading the welding wire spool.

12.6 Thread the wire electrode in

Instructions on how to feed the welding wire through the machine.

12.7 Connecting the inert gas cylinder

Procedure for connecting the gas cylinder and regulator.

12.8 Changing the wire electrode

13 Start-up

13.1 Control console BasicPlus

13.2 Control console ControlPro

13.4 Characteristic connection

13.5 Main parameters

13.6 Secondary parameters

14 Messages

15 Troubleshooting

16 Repair and maintenance

16.1 Check regularly

17 Technical data

LORCH M-Pro BasicPlus Specifications

General

Brand	LORCH
Model	M-Pro BasicPlus
Category	Welding System
Language	English

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