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ESAB EM 235ic - User Manual

ESAB EM 235ic
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Instruction manual
0463 479 001 US 20170627
Valid for: serial no. EMP 235ic:636-xxx-xxxx,
EM235ic:640-xxx-xxxx
EMP 235ic, EM 235ic

Table of Contents

Questions and Answers

  • S
    Steven SchneiderAug 5, 2025
    What to do if I have MIG (GMAW/FCAW) welding problems with my ESAB EM 235ic Welding System?
    • C
      Carol FarmerAug 5, 2025
      If you're experiencing MIG welding issues with your ESAB Welding System, consider these points: * Ensure the MIG torch is connected with the correct polarity, consulting the electrode wire manufacturer for guidance. * Replace the contact tip if it shows arc marks, which can cause excessive drag on the wire. * Verify you're using the correct shielding gas, gas flow, voltage, welding current, travel speed, and MIG torch angle. * Confirm the work lead has good contact with the workpiece.
  • R
    Rebekah RobinsonAug 10, 2025
    How to troubleshoot wire feeding problems in ESAB Welding System?
    • P
      Patrick MacdonaldAug 10, 2025
      To address wire feeding problems in your ESAB Welding System: * Ensure the wire spool brake is properly adjusted. * Check that the feed roller is the correct size and not worn. * Verify the correct pressure is set on the feed rollers. * Use the correct contact tip, ensuring it's not worn. * Make sure the liner isn't bent, which can cause friction between it and the wire.
  • A
    amanda33Aug 20, 2025
    How to prevent porosity within the weld metal when using an ESAB Welding System?
    • S
      Sara MorrisonAug 20, 2025
      To minimize porosity in your welds with the ESAB Welding System: * Check that you're using the correct gas and gas flow. * Keep the distance between the MIG torch nozzle and the workpiece as small as possible. * Ensure the workpiece is clean before you start welding.
  • T
    Tiffany HodgeAug 26, 2025
    What to do if there is no arc when using my ESAB EM 235ic?
    • T
      tbrownAug 26, 2025
      If you're not getting an arc with your ESAB Welding System: * Check that the mains power supply switch is turned on. * Verify that the mains, welding, and return cables are correctly connected. * Ensure the correct current value is set. * Check the mains power supply fuses.
  • C
    Cynthia ObrienAug 30, 2025
    What causes the overheating protection to trip frequently on my ESAB EM 235ic Welding System?
    • C
      Carlos CarpenterAug 30, 2025
      Frequent trips of the overheating protection on your ESAB Welding System can occur if: * You're exceeding the recommended duty cycle for the weld current you're using. * The air inlets or outlets are clogged.
  • D
    David NicholsNov 14, 2025
    What causes TIG (GTAW) welding problems in ESAB EM 235ic and how to fix them?
    • J
      John WilkinsonNov 14, 2025
      If you're encountering TIG welding problems with your ESAB Welding System, here are some things to check: 1. Ensure the TIG torch is correctly connected to the power source: connect the TIG torch to the negative [-] welding terminal and the welding ground cable to the positive [+] welding terminal. 2. Use 100% Argon gas for TIG welding. 3. Make sure the regulator/flow meter is connected to the gas bottle. 4. Verify the gas pipe for the TIG torch is connected to the gas outlet connector (M12) on the front of the power source. 5. Ensure the work clamp has proper contact with the work piece. 6. Open the gas bottle and check the gas flow rate on the regulator/flow meter, ensuring it's between 1.25–3.12 gpm (4.72–11.80 l/min). 7. Confirm the power source is turned on and the TIG welding...

Summary

Safety Precautions

Meaning of Symbols

Explains hazard symbols like Danger, Warning, and Caution for immediate risk assessment.

General Safety Guidance

Provides essential safety advice, protective measures, and warnings for personnel and bystanders.

Fire and Explosion Hazards

Details precautions to prevent fires and explosions caused by welding sparks, heat, and combustible materials.

Electrical Shock Hazards

Warns about severe injury or death from electrical contact and outlines crucial safety measures.

Electric and Magnetic Field Safety

Discusses potential health effects of EMF and procedures to minimize exposure during welding.

Fumes and Gases Safety

Outlines dangers of welding fumes and gases, emphasizing ventilation and material precautions.

Cylinder Handling Precautions

Covers safe practices for handling compressed gas cylinders to prevent rupture and gas release injuries.

Moving Parts Hazards

Warns about potential injury from moving components like fans, rotors, and belts.

Falling Equipment Warning

Safety advice on lifting and handling the equipment to prevent falls and associated injuries.

Equipment Maintenance Safety

Emphasizes using qualified personnel for maintenance and adhering to electrical safety protocols.

Additional Safety Publications

Lists recommended publications for further detailed information on welding safety practices.

User Responsibility Guidelines

Defines the user's ultimate responsibility for ensuring safe operation and compliance with precautions.

Key Safety Summaries

Consolidated safety points for electric shock, fumes, arc rays, fire hazards, noise, and malfunctions.

Introduction to ESAB Rebel Welders

EMP Series Equipment Package

Lists the standard components included with the EMP 235ic welding power source.

EM Series Equipment Package

Lists the standard components included with the EM 235ic welding power source.

Technical Data Specifications

Voltage and Primary Current Ratings

Specifies voltage, frequency, and primary current requirements for different models.

Permissible Load Ratings

Details duty cycle and output voltage/amperage for GMAW, GTAW, and SMAW processes.

Wire Diameter and Bobbin Size Compatibility

Lists compatible wire diameters and bobbin sizes for various material types.

Physical and Environmental Specifications

Covers dimensions, weight, operating temperature, enclosure, and application classifications.

Duty Cycle and IP Rating Explanations

Explains duty cycle calculation and the meaning of IP enclosure and application classifications.

Installation Procedures

Location and Lifting Instructions

Guides on optimal placement for cooling and safe lifting methods for the power source.

Mains Supply Requirements

Details voltage, frequency, and grounding requirements for safe electrical connection.

Fuse and Cable Recommendations

Provides recommendations for fuse sizes, circuit breakers, and minimum cable areas.

Power Supply Options

Covers connecting the power source to mains supply or generators with voltage regulation.

Operating the Welding Power Source

General Operation Warnings and Notes

Important safety warnings and notes regarding moving, electrical shock, and component security.

Connections and Cable Setup

Illustrates and explains front/rear connections and how to connect welding/return cables.

Wire Insertion and Replacement

Step-by-step guide for inserting and replacing welding wire spools and setting polarity.

Feed Pressure and Roller Adjustments

Instructions for setting wire feed pressure and changing feed/pressure rollers for optimal performance.

Shielding Gas Selection Guide

Advises on selecting appropriate shielding gas based on the welding material type.

Volt-Ampere Performance Curves

Presents performance curves showing voltage and amperage capabilities for various welding processes.

MIG and TIG Volt-Ampere Curves

Displays performance curves for MIG and TIG welding across different voltage settings.

Duty Cycle Graphs and Explanation

Explains duty cycle and provides graphs for determining correct duty cycle for welding current.

Overheating Protection System

Describes the automatic overheating protection feature and its indicators.

Control Panel Operation

EMP 235 ic Control Panel Navigation

Overview of navigating the EMP 235ic control panel, main menu, and SMIG mode.

EMP 235 ic MIG, Flux Cored, and Stick Modes

Details the control panel displays and options for Manual MIG, Flux Cored, and Stick modes.

EMP 235 ic Advanced Modes and Information

Covers Lift-TIG mode, Settings, User Manual Information, and icon reference guide.

EMP 235 ic Icon Guide: MIG, Parameters, Percent

Explains icons related to MIG Gun, Parameters, and Percent settings on the EMP 235ic.

EMP 235 ic Icon Guide: Arc Force, Downslope, Hot Start

Explains icons related to Arc Force, Downslope, Hot Start, and other advanced features.

EM 235 ic Control Panel Navigation

Overview of navigating the EM 235ic control panel and its indicators.

EM 235 ic Symbol Reference

Provides a guide to symbols used on the EM 235ic control panel for various functions.

EM 235 ic Wire Diameter and Manual MIG

Explains wire diameter selection in sMIG mode and the Manual MIG interface.

Maintenance and Care

Routine Maintenance Schedule

Outlines a regular maintenance schedule for ensuring safe and reliable operation.

Power Source and Wire Feeder Cleaning

Provides instructions for cleaning the power source interior and wire feeder mechanism.

Torch and Liner Maintenance Procedures

Details the steps for cleaning the welding torch and its internal liner.

Troubleshooting Welding Issues

Weld Quality and Wire Feeding Problems

Addresses issues like porosity, wire feeding errors, and common MIG/Stick/TIG welding faults.

Troubleshooting Arc and Overheating Issues

Provides solutions for problems such as no arc formation or frequent overheating protection trips.

Ordering Spare Parts

MIG Weld Parameter Charts

120 V AC Parameter Charts Overview

Presents parameter settings for 120V AC MIG welding across different outlets and materials.

120 V AC Specific Parameters

Provides detailed MIG welding parameters for 120V AC, covering various materials and thicknesses.

Fraction to Decimal Conversion

System Diagram

Product Ordering Numbers

Wear Parts List

Available Accessories

Replacement Parts Information

ESAB EM 235ic Specifications

General IconGeneral
Protection ClassIP23S
Input Frequency50/60 Hz
Efficiency85%
Power Factor0.73
Welding ProcessesMIG, Flux-Cored, Stick, TIG
ApprovalsCE

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