Clarke AT101 User Manual

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WARNING: Read these instructions before using the machine

WARNING: A suitable welding headshield must be worn during use

OPERATION & MAINTENANCE

INSTRUCTIONS

LS0114

ARC/TIG WELDER

MODEL NO: AT101, AT132, AT161

PART NO: 6012237, 6012231, 6012250

Questions and Answers:

A
Andrew WhiteAug 15, 2025
What to do if Clarke Welding System has no output voltage?
- R
  rgrayAug 16, 2025
  If your Clarke Welding System has no output voltage, it could be due to several reasons. The machine may be overheated, indicated by a yellow LED, in which case you should wait for the thermal cutout to reset. It's also possible that the under-voltage/over-voltage limits have been exceeded, indicated by a yellow LED on and a green LED flashing; in this case, check the mains distribution system and wait for an internal check of the input voltage. When the voltage is within normal limits, the yellow LED will turn off, and the green LED will stay on. Other potential causes include a failed internal relay or a defective inverter printed circuit.
J
Jennifer WalkerAug 18, 2025
Why Clarke AT101 Welding System spark will not start?
- D
  Derek McknightAug 19, 2025
  If the spark will not start on your Clarke Welding System, it could be due to a bad clamp connection or a defective inverter printed circuit. Check the clamp connection.
A
Angela MyersAug 22, 2025
What causes porosity of welds in Clarke Welding System?
- E
  Erin StephensAug 22, 2025
  Porosity in welds made by your Clarke Welding System can be caused by several factors: * Using an acid electrode on steel with high sulphur content. * Excessive electrode oscillation. * Workpieces being too far apart. * Welding a cold workpiece. To resolve this, use a basic electrode, move the edges to be welded closer together, and move slowly at the beginning.
K
Kristina JacksonAug 25, 2025
What to do if Clarke AT101 Welding System has wrong output current?
- H
  hughesnathanAug 25, 2025
  If your Clarke Welding System shows the wrong output current, this could be due to a defective current selector control or a low power supply voltage. Check the mains distribution system.
R
Ronald EvansAug 27, 2025
What causes cracks in weld with Clarke AT101?
- V
  Vickie FoxAug 28, 2025
  Cracks in welds made with your Clarke Welding System can occur if the material being welded is dirty (e.g., oil, paint, rust, oxides) or if there is not enough current. Cleaning the workpiece before welding is essential for achieving neat weld beads.
S
Steven LopezAug 31, 2025
Why Clarke Welding System has limited penetration?
- T
  Tammy BonillaAug 31, 2025
  Limited penetration with your Clarke Welding System can be due to low current, high welding rate, reversed polarity, or the electrode being inclined in a position opposite to its movement. Ensure operating parameters are regulated and improve the preparation of work pieces.
K
Kimberly GutierrezSep 2, 2025
What causes high sprays in Clarke AT101 Welding System?
- E
  Ernest GonzalezSep 2, 2025
  High sprays in your Clarke Welding System are caused by an electrode that is too inclined. Make appropriate corrections.
S
Stephanie WatsonSep 5, 2025
What causes profile defects in Clarke AT101?
- G
  Grace WilliamsSep 5, 2025
  Profile defects in your Clarke Welding System can be caused by incorrect welding parameters, a pass rate not related to operating parameter requirements, or the electrode not being inclined constantly while welding. Follow basic and general welding principles.
L
lburchSep 8, 2025
Why Clarke AT101 arc is unstable?
- K
  Kelly HarperSep 9, 2025
  An unstable arc in your Clarke Welding System can be caused by insufficient current. Check the condition of the electrode and the earth wire connection.
A
Ashley MartinSep 12, 2025
Why Clarke AT101 Welding System electrode melts obliquely?
- M
  Mary CrossSep 12, 2025
  If the electrode melts obliquely in your Clarke Welding System, it could be because the electrode core is not centered or due to a magnetic blow phenomenon. Replace the electrode and connect two earth wires to opposite sides of the workpiece.

Clarke AT101 Specifications

General

Brand	Clarke
Model	AT101
Category	Welding System
Language	English

Summary

ARC/TIG WELDER Operation & Maintenance Instructions

Safety Warnings: Headshield and Pre-use

Ensures safety by requiring a welding headshield and reading instructions before operation.

Introduction, Guarantee, and Unpacking

General Safety Instructions

Electric Shock Precautions

Guidelines to prevent electric shock, including earthing, insulation, and cable checks.

Fumes and Gases Hazards

Information on hazardous fumes generated during welding and necessary ventilation.

Fire and Explosion Prevention

Precautions to prevent fire and explosions, including clearing flammable materials.

Personal and Protective Safety Measures

Personal Protection Guidelines

Advice on protecting the body, eyes, and skin from welding hazards.

Protective Clothing Requirements

Details on appropriate clothing, gloves, and headwear for welding safety.

Additional Arc Welder Safety Precautions

Specific safety advice for arc welders, including electrical safety and environment.

Electrical Connections and Cable Extension

Mains Electrical Connections

Instructions for connecting the welder to a 230V supply, including plug wiring.

Arc Welding Preparation and Procedure

Arc Welding Preparation Steps

Striking the Arc for Welding

Technique for Striking the Arc

TIG Welding Overview and Features

TIG Welding Process

TIG Welding Preparation and Setup

TIG Welding Preparation Steps

TIG Welding Technique and Notes

Scratch Arc TIG Welding Method

TIG Welding Current and Electrode Guidelines

Welding Pitfalls and Perfect Weld

Common Welding Pitfalls

Troubleshooting Common Issues

Welder Maintenance Guidelines

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