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

Miller Maxstar 400 Specifications

General

Brand	Miller
Model	Maxstar 400
Category	Welding System
Language	English

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