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LORCH MicorMIG 400 User Manual

LORCH MicorMIG 400
68 pages
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Service Manual
MicorMIG
909.2130.1-10
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LORCH MicorMIG 400 Specifications

General IconGeneral
Input Voltage3 x 400 V
Welding ProcessMIG/MAG, TIG, MMA
Protection ClassIP23
No-load Voltage68 V
Output Current Range (MIG)25 - 400 A
CoolingGas-cooled
Power SupplyThree-phase
Output Current Range (TIG)10 A - 400 A
Wire Diameter (MIG)0.8 - 1.6 mm

Summary

Safety Precautions and Procedures

Safety Requirement

General safety instructions for using welding and cutting machines, emphasizing qualified personnel.

Norms and Testing

Compliance with IEC 60974-4 for in-service inspection and testing procedures.

Technical Principles and Functions

MicorBoost Inverter Principle

Explanation of the inverter technology used in MicorMIG machines for welding process control.

PC Board Descriptions and Schematics

Primary Driver Boards (DRV Series)

Details on DRV03/DRV13, DRV05/DRV15, DRV07/DRV17 driver boards, including functions and LEDs.

Control Logic Board (MAPRO04)

Description and functions of the MAPRO04 main control logic board.

Wire Feed Control Board (DMR-RT3)

Description and functions of the DMR-RT3 wire feed motor control board.

Temperature Monitoring

Machine Operation Monitoring

Bus Voltage Monitoring

How the machine monitors bus voltage and associated error codes like E02 and E33.

Output Voltage Monitoring

How the machine monitors output voltage and related error codes E06, E12, E18.

Wire Feed Motor Control

Monitoring and driving the wire feed motor, including motor identification.

Supply Voltages

Machine Configuration

Primary Input Current Monitoring

Information and Error Codes

Error Codes and Troubleshooting

Comprehensive list of error codes, their causes, and troubleshooting remarks.

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