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

T
Troy BrownSep 10, 2025
Why does the torch switch have no function when actuated on my LORCH Welding System?
- M
  Mark OrtizSep 12, 2025
  If the torch switch on your LORCH Welding System has no function when actuated, it could be due to: * The union nut from the torch hose pack to the central socket not being correctly tightened. Tighten the union nut. * An open circuit in the control cable in the torch hose pack. Check and replace if necessary. * Thermal protection being triggered. Allow the equipment to cool down at no-load.
W
whitneycarterSep 9, 2025
Why is inert gas missing from my LORCH Welding System?
- M
  Matthew BrooksSep 9, 2025
  If inert gas is missing from your LORCH Welding System, possible causes include: * An empty gas cylinder. Replace it. * A faulty torch. Check and replace if necessary. * A dirty or faulty pressure reducer. Check and replace if necessary. * A faulty gas cylinder valve. Replace the gas cylinder.
W
William HoltAug 22, 2025
What to do if the control panel is completely dark on my LORCH Welding System?
- S
  Sean ReyesAug 22, 2025
  If the control panel of your LORCH Welding System is completely dark, the issue might be a missing phase. Try checking the equipment at a different power socket and inspect the supply cable and mains fuse.
D
Dominique FordSep 5, 2025
How to remove an arc or short circuit between the contact tip and gas nozzle on my LORCH M-Pro BasicPlus?
- C
  Charles NavarroSep 5, 2025
  If there's an arc or short circuit between the contact tip and gas nozzle on your LORCH Welding System, a spatter bridge may have formed between them. Remove it using suitable special pliers.
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.
B
bobbybennettSep 2, 2025
How to fix inert gas that won't switch off on my LORCH M-Pro BasicPlus?
- J
  Jordan ArroyoSep 3, 2025
  If the inert gas does not switch off in your LORCH Welding System, the gas valve may be dirty or sticking. Remove the torch and pressure reducer, then blow out the gas valve in the opposite flow direction with compressed air.
E
Ellen MurphySep 1, 2025
What to do if the torch switch has no function on my LORCH M-Pro BasicPlus Welding System?
- J
  Joann StarkSep 1, 2025
  If the torch switch on your LORCH Welding System has no function when activated: * Ensure the union nut from the torch hose pack to the central socket is correctly tightened. Tighten the union nut. * Check for an open circuit in the control cable within the torch hose pack and replace if necessary. * The thermal protection may have triggered. Allow the equipment to cool down at no-load.
N
Nathaniel JonesAug 31, 2025
Why does the wire feed unit of my LORCH M-Pro BasicPlus have increased wire abrasion?
- S
  Stephen WilsonAug 31, 2025
  If the wire feed unit has increased wire abrasion on your LORCH Welding System, consider: * The wire feed rollers do not match the wire diameter. Fit the correct feed rollers. * Incorrect contact pressure on the wire feed unit. Set the pressure as described in the operating instructions.
W
waynehaleyAug 29, 2025
How to fix an unstable arc on my LORCH Welding System?
- P
  paynemichelleAug 30, 2025
  If you're experiencing an unstable arc with your LORCH Welding System, it could be because the contact tip doesn't match the wire diameter, or the contact tip is worn. Check the contact tip and replace it if necessary.
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.

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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