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Thermal Arc Manuals
Welding System
400S
Service manual
Thermal Arc 400 S Service Manual
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Also See for 400 S
:
Operating manual
(58 pages)
,
Service manual
(120 pages)
,
Service manual
(120 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Notes, Cautions and Warnings
Important Safety Precautions
Publications
Note, Attention Et Avertissement
Precautions de Securite Importantes
Documents de Reference
Declaration of Conformity
Statement of Warranty
Table of Contents
General
Description
Functional Block Diagrams
Transporting Methods
Electrical Input Connections
Specifications
Duty Cycle
Operator Controls
Routine Maintenance
Basic Troubleshooting
Common Welding Operation Faults
Specific Problems
Advanced Troubleshooting
System-Level Fault Isolation
Opening the Enclosure
Initial Setup Conditions
Fault Isolation Tests
Easy Link Test
Power Supply Voltage Test
Output Load Test
LIFT START Circuit Test
High Frequency (HF) START Circuit Test
Auxiliary Transformer (T3) Test
Subsystem Test and Replacement Procedures
Preparation
Main Circuit Breaker (MCB)
Main Circuit Breaker (MCB) Replacement Procedure
Main Circuit Board (PCB1) Test and Replacement Procedures
Main Circuit Board (PCB1) Test Procedures
Gate Drive Enable Signal Test
Lift Start Test
Gas Control Test
High Frequency Test
Main Circuit Board (PCB1) Replacement Procedure
Front Panel Circuit Board (PCB6) Test and Replacement Procedures
Front Panel Circuit Board (PCB6) Test Procedure
Test Point Voltages
PROCESS SELECTOR Switch Test
Gas Control Test
Front Panel Circuit Board (PCB6) Replacement Procedure
Current Transformer (CT1)
Current Transformer Test Procedure
Current Transformer Replacement Procedure
Power Control Assembly Test and Replacement Procedures
Power Control Assembly (PCA) Test Procedures
PCA Input Diode Bridge (D1) Test Procedure
Input Diode Bridge (D1) Replacement Procedure
PCA IGBT Inverter Power off Test Procedure
Power off Test Procedure
IGBT Inverters (Q1 and Q2) Replacement Procedure
PCA Output Diodes (D2 and D3) Test Procedure
Output Diodes (D2 and D3) Replacement Procedure
PCA Thermal Sensor (TH1) Test Procedure
Thermal Sensor (TH1) Replacement
Auxiliary Transformer (T3) Test Procedure
Power off Test
Power on Test
Auxiliary Transformer (T3) Replacement
Main Transformer Assembly (T1 and T2) Test Procedure
Main Transformer (T1 and T2) Assembly Replacement Procedure
Output Inductor Test Procedure
Output Inductor Assembly Replacement Procedure
Fan Assembly Replacement Procedure
HF Unit Test and Replacement Procedures
HF Unit Test Procedure
HF Unit Replacement Procedure
HF Coupling Coil Test and Replacement Procedures
HF Coupling Coil Test Procedure
HF Coupling Coil Replacement Procedure
Gas Solenoid Valve Replacement Procedure
Sequence Timing Diagrams
S Models
Lift TIG Mode
GMS Models
GTS Models
HF TIG Mode
Lift TIG Mode
SPOT Mode
Parts Lists
Complete Systems
400Gms
400Gts
Appendix A - Interconnection Diagrams
230/460V Interconnection Diagram
400S - 380V Interconnection Diagram
400Gms 230/460V Interconnection Diagram
400Gms 380V Interconnection Diagram
400Gms 460/575V Interconnection Diagram
400Gts 230/460V Interconnection Diagram
400Gts 380V Interconnection Diagram
400Gts 460/575V Interconnection Diagram
Appendix B - Diode Testing Basics
Appendix C - Remote Receptacle Pinout
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Functional Block Diagrams
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Electrical Input Connections
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Specifications
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Operator Controls
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Operating Manual
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Table of Contents
Troubleshooting
Basic Troubleshooting
32
Advanced Troubleshooting
38
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400 gts
400 gms
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