Ter Welding Smart Welder MMA 140 User Manual

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USER'S MANUAL

MMA SERIES WELDING MACHINE

SMART WELDER MMA 140-160-170-

180-200

Table of Contents

Questions and Answers:

M
Mark TrujilloAug 3, 2025
What to do if the Ter Welding Welding System shows abnormal indicator lights?
- J
  Judy HarrisAug 3, 2025
  If your Ter Welding Welding System displays abnormal indicator lights, it could be due to over-current protection. Try turning off the power switch and restarting the machine after the abnormal indicator light has winked. Alternatively, it might be overheating protection; in this case, wait for about 2-3 minutes until the machine restarts without turning off the power switch.
C
Cassandra FullerAug 13, 2025
What to do if the Ter Welding Welding System meter shows, the fan works, but there is no welding output?
- J
  Justin WheelerAug 13, 2025
  If your Ter Welding Welding System's meter is displaying information and the fan is working, but there's no welding output, first, ensure all sockets in the machine are properly connected. Then, check for any open circuits or poor connections at the output terminal joints. Also, inspect the torch's control cable for breaks or switch damage.

Ter Welding Smart Welder MMA 140 Specifications

General

Efficiency	85%
Insulation Class	F
Protection Class	IP21S
Welding Type	MMA (Manual Metal Arc)
Input Voltage	220V
Output Current Range	20-140A
Duty Cycle	60%

Summary

Preface

Safety Notices and Version Information

Explains warning symbols (DANGER, WARNING, ATTENTION) and provides manual version details.

Declaration of Conformity

Safety Information

General Hazards and Precautions

Lists common hazards like electric shock, fire, fumes, and mechanical risks with icons.

Specific Accident Prevention

Details precautions for heavy accidents, electric shock, fire, explosion, and gas hazards.

Additional Safety Guidelines

Covers warnings about arc, spark, noise, gas cylinders, switches, and wire ends.

Electromagnetic Interference Precautions

Addresses potential electromagnetic interference and necessary preventive measures.

Product Overview

General Features

Explains the advanced inversion technology and features of the MMA series welding machine.

Technical Specifications

MMA140 and MMA160 Specifications

Lists technical specifications for MMA140 and MMA160 models in a table.

MMA170, MMA180, and MMA200 Specifications

Lists technical specifications for MMA170, MMA180, and MMA200 models in a table.

Installation Guide

Installation Procedures

Details the steps for connecting cables and setting up the welding machine.

Installation Diagrams

Illustrates setup for metal and metal/plastic case variants.

Operation

Front Panel Layout

Describes the controls and indicators on the front panel of both machine types.

Back Panel Layout

Explains the connections and components on the back panel of the welding machines.

Operating Instructions

Provides step-by-step instructions for operating the welding machine.

Welding Environment and Safety

Outlines recommended working environments and safety norms for operation.

Welding Problems and Resolution

Lists common welding problems and their potential solutions.

Maintenance and Checking

Daily Maintenance

Details regular cleaning and upkeep tasks for the welding machine.

Daily Checking Procedures

Outlines checks for power components, fans, and cables to ensure proper function.

Troubleshooting

Fault Finding Guide

Provides a guide to identify malfunctions and their corresponding solutions.

Technical Diagrams

MMA 140/160 Circuit Diagram

Presents the electrical circuit diagram for the MMA 140/160 models.

MMA 170/180/200 Circuit Diagram

Presents the electrical circuit diagram for the MMA 170/180/200 models.

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