Why is the ground cable connector on my LORCH M-Pro Performance becoming hot?
- MMelissa BakerSep 12, 2025
If the ground cable connector on your LORCH Welding System becomes hot, check that the connector was locked by turning clockwise.
Why is the ground cable connector on my LORCH M-Pro Performance becoming hot?
If the ground cable connector on your LORCH Welding System becomes hot, check that the connector was locked by turning clockwise.
Why is the control panel completely dark on my LORCH M-Pro Performance?
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.
How to prevent my LORCH M-Pro Performance Welding System torch from becoming too hot?
If the torch of your LORCH Welding System becomes too hot, check that the contact tip is tightened properly.
| Input Voltage | 3 x 400 V |
|---|---|
| Protection Class | IP23 |
| Power Supply | Three-phase |
| Weight | 35 kg |
| Welding Process | MIG/MAG |
Explains symbols found within the text of the operation manual.
Explains symbols directly displayed on the welding machine itself.
Guides the user on how to properly connect the welding torch to the machine.
Details the procedure for connecting the ground cable to the workpiece.
Explains the correct method for attaching the ground clamp for optimal connection.
Instructions on how to load the welding wire spool into the wire feed unit.
Step-by-step guide for feeding the welding wire through the torch.
Procedures for safely connecting the inert gas cylinder to the welding system.
Instructions on selecting and replacing wire feed rollers and electrodes.
Overview of the buttons, knobs, and displays on the welding machine's control panel.
Detailed steps for powering on and performing initial configuration before welding.
Explains how welding current and voltage values are displayed during and after welding.
Information on using the torch's remote control features for adjustments.
How to disable specific operation modes like spot or interval welding.
Guide to selecting and setting characteristic lines for different welding materials and gases.
Instructions for operating the machine in manual mode, independent of characteristic lines.
How to access and adjust secondary welding parameters for fine-tuning.
Explanation of the Tiptronic function for saving and recalling welding jobs.
Details on special functions such as gas testing and panel testing.
Procedures for resetting machine parameters to factory default settings.
Points to inspect for damage before starting the welding machine.
Instructions for cleaning and maintaining the welding torch to prevent spatter buildup.
Catalog of recommended torch sets compatible with different machine types.
Details about the assembly and part numbers for torch holders.
Detailed parts list for the wire feed unit model VE 42 Typ 37 SF.
Exploded views and diagrams of the machine components for parts identification.
Specific spare parts list for the M-Pro 200 CuSi Performance model.
Specific spare parts list for the M-Pro 250 Performance (c) model.
Specific spare parts list for the M-Pro 300 Performance (c) model.
Electrical schematic for the M-Pro 200 CuSi Performance model.
Electrical schematic for the M-Pro 250 Performance (c) model.
Electrical schematic for the M-Pro 300 Performance (c) model.
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