Miller Maxstar 400 - User Manual

OWNER’S MANUAL
OM-275857Q
2021-06
Processes
TIG (GTAW) Welding
Stick (SMAW) Welding
Description
208/575 Volt Models w/Auto-Line™; 380/
575 Volt Three-Phase w/Auto-Line™
(CE) Arc Welding Power Source
For product information,
Owner’s Manual translations,
and more, visit
www.MillerWelds.com
Dynasty
®
400 And 800
Maxstar
®
400 And 800
CE and Non-CE Models

Summary

SECTION 1 - SAFETY PRECAUTIONS - READ BEFORE USING

1-2. Arc Welding Hazards

Details hazards associated with arc welding processes.

1-3. Additional Hazards For Installation, Operation, And Maintenance

Covers extra hazards during installation, operation, and maintenance.

SECTION 4 - SPECIFICATIONS

4-4. Specifications

Lists key technical specifications, including amperage, voltage, and duty cycle.

4-7. Duty Cycle And Overheating

Explains duty cycle and the effects of overheating on the unit's operation.

SECTION 5 - INSTALLATION

5-3. Selecting Cable Sizes¹

5-14 Electrical Service Guide

Provides essential electrical service recommendations for connecting the unit.

5-15 Connecting Input Power For 400 Models And 800 CE Models

Details how to connect input power for specific models.

5-16 Connecting Input Power For 800 Models.

Details how to connect input power for 800 models.

5-17 Software Updates

SECTION 6 - DYNASTY OPERATION

6-1. Dynasty Controls

Identifies and describes the controls on the Dynasty front panel.

6-2. Accessing Control Panel Menu

Explains how to navigate and access the machine's control panel menu.

6-3. Accessing User Setup Menu

Guides users on how to access and navigate the user setup menu functions.

6-4. AC Independent

SECTION 7 - MAXSTAR OPERATION

7-1. Maxstar Controls

Identifies and describes the controls on the Maxstar front panel.

7-2. Accessing Control Panel Menu

Explains how to navigate and access the machine's control panel menu.

7-3. Accessing User Setup Menu

Guides users on how to access and navigate the user setup menu functions.

SECTION 8 - 28-PIN ADVANCED AUTOMATION OPERATION

8-1. Controls

8-2. Controls

8-3. Accessing User Setup Menu

Guides users on accessing the user setup menu for TIG start parameters.

8-4. Programmable TIG Start Parameters

Explains how to set programmable TIG start amperage and time.

SECTION 9 - ADVANCED MENU FUNCTIONS

9-1. Accessing Tech Menu

Instructions for accessing and navigating the machine's advanced Tech Menu.

9-2. Sequencer And Weld Timer

9-3. Output Control And Trigger Functions

9-4. Lockout Functions

9-5. Lockout Levels Defined

SECTION 10 - MEMORY

10-1. Memory (Program Storage Locations 1-9)

SECTION 11 - MAINTENANCE AND TROUBLESHOOTING

11-1. Routine Maintenance

Provides a schedule for routine maintenance checks, cleaning, and replacements.

11-3. Voltmeter;Ammeter Display Messages

11-4. Troubleshooting Table

A table listing common troubles and their recommended remedies.

SECTION 14 - SELECTING AND PREPARING A TUNGSTEN FOR DC OR AC WELDING WITH INVERTER MACHINES

14-1. Selecting Tungsten Electrode

14-2. Preparing Tungsten Electrode For DC Electrode Negative (DCEN) Welding Or AC Welding With Inverter Machines

SECTION 15 - TIG PROCEDURES

15-1. Lift-Arc And HF TIG Start Procedures

15-2. Pulser Control

15-3. General (GEN) Tungsten To Change Programmable TIG Starting Parameters

SECTION 16 - STICK WELDING (SMAW) GUIDELINES

16-1. Electrode And Amperage Selection Chart

Warranty

Limited Warranty Terms and Conditions

Outlines the terms and conditions of the limited warranty provided by Miller Electric.

Warranty Coverage Periods

Miller Maxstar 400 Specifications

General

Brand	Miller
Model	Maxstar 400
Category	Welding System
Language	English