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WIELANDER+SCHILL InvertaPuls IP4-3 - User Manual

WIELANDER+SCHILL InvertaPuls IP4-3
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InvertaPuls IP4-3
02/2021
MIG-MAG Welding Inverter
Operation Manual REV 2.1

Table of Contents

Questions and Answers

  • B
    Beth NixonAug 10, 2025
    Why is the electric arc irregular or unstable on my WIELANDER+SCHILL InvertaPuls IP4-3 Welding System?
    • D
      Dale BridgesAug 10, 2025
      If the electric arc from your WIELANDER+SCHILL Welding System is irregular or unstable, several factors could be responsible. Ensure that the welding voltage is correctly set. Adjust the wire feed regulator to correct the amount of wire. Make sure there is good contact between the workpiece and the clamp by removing any rust or paint. Change the contact nozzle if it's worn or has the wrong diameter. Adjust the gas flow to the correct setting. Clean the workpiece in the welding area to remove any paint, rust, or grease. Clean or replace a dirty plug-in spiral. If these steps don't resolve the issue, the device may have a performance grade malfunction and should be taken to a service center.
  • M
    mckenzieshelbyAug 15, 2025
    What to do if there's too much metal dropping during welding with my WIELANDER+SCHILL InvertaPuls IP4-3 Welding System?
    • A
      ashley78Aug 15, 2025
      If your WIELANDER+SCHILL Welding System is producing too much metal drop during welding, it could be due to several reasons. First, try adjusting the wire feed regulator, because there might be too much wire. Also, the welding voltage might be too high, so try setting up a lower voltage. Finally, ensure that the workpiece is clean; if it's dirty, clean it up.
  • L
    Lisa CummingsAug 20, 2025
    Why is the feeding engine not rotating on my WIELANDER+SCHILL Welding System?
    • S
      Sharon PowellAug 20, 2025
      If the wire feeding engine of your WIELANDER+SCHILL Welding System isn't rotating, first check the connection to the socket to ensure there's no power malfunction. Make sure that you press the button on the torch and actuate the burner switch, ensuring good contact between the workpiece and the clamp. Check the fuse; if it's blown, have it changed by an authorized electrician. If none of these steps work, the engine may be malfunctioning, and the device should be taken to a service center.
  • J
    Juan HarperAug 26, 2025
    How to troubleshoot wire feeding malfunction in WIELANDER+SCHILL Welding System?
    • C
      Caleb FlynnAug 26, 2025
      If you are experiencing a wire feeding malfunction with your WIELANDER+SCHILL Welding System, start by increasing the pressure to the leaf spring using the grooved screw, because the pressing roller might be loose. Also, center the intake nozzle, because the wire may have gotten out from feeding. If the wire feed wheel groove is worn, change the wire feed wheel. If the wire is welded to the contact nozzle, replace the contact nozzle and lower the pressure on the wire if it is deformed.
  • T
    Thomas AllenAug 30, 2025
    What to do if my WIELANDER+SCHILL Welding System turns OFF and shows 'Err t'?
    • S
      Sarah JeffersonAug 30, 2025
      If your WIELANDER+SCHILL Welding System turns OFF and displays “Err t”, it means the time of make (TM) has been exceeded. To resolve this, let the device cool down and follow the instructions for TM according to your specific device type.
  • H
    hendersonmarkSep 4, 2025
    Why does the protective gas still flow in my WIELANDER+SCHILL InvertaPuls IP4-3?
    • D
      Dr. Michael EricksonSep 4, 2025
      If the protective gas continues to flow in your WIELANDER+SCHILL Welding System, it's likely that the magnetic valve is dirty and stuck open. To fix this, disconnect the torch connector and connecting hose. Then, alternately flow pressurized air into the torch connector and connecting hose while frequently pressing the button on the torch.

WIELANDER+SCHILL InvertaPuls IP4-3 Specifications

General IconGeneral
Welding processMIG/MAG, TIG, MMA
Input voltage3 x 400 V
Input Frequency50/60 Hz
Output Voltage Range14 - 34 V
Duty Cycle60% at 400 A
Efficiency85%
Protection classIP23

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