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LORCH MicorMIG 350 Service Manual

LORCH MicorMIG 350
68 pages
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Service Manual
MicorMIG
909.2130.1-10
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LORCH MicorMIG 350 Specifications

General IconGeneral
Input Voltage3 x 400 V
Duty Cycle60% at 350 A
Weight32 kg
Protection classIP23
Rated duty cycle at 40°C60% at 350 A
Welding processMIG/MAG
Power supply voltage400 V

Summary

MicorMIG Machine Identification

Safety and Compliance

Operational Safety Requirements

Mandatory safety measures for operation, maintenance, and qualified personnel.

Inverter Principle and Connector Pinouts

MicorBoost Inverter Principle Explained

Explanation of the electronic welding power source inverter technology.

Synergic Welding Program Selection

Synergic Panel Updates

Details on new welding programs and changes to the synergic selection panel.

DRV03/DRV13 Primary Driver Board

DRV03/DRV13 Functions and Operation

Functions of the DRV03/DRV13 board, including LED status and measuring points.

DRV05/DRV15 Primary Driver Board

DRV05/DRV15 Functions and Operation

Functions, LED status, and measuring points for DRV05/DRV15 boards.

DRV07/DRV17 Primary Driver Board

DRV07/DRV17 Functions and Operation

Functions, LED status, and measuring points for DRV07/DRV17 boards.

DRV Board Version Overview

Initial DRV Version and 'S' Version Features

Description of initial DRV version and 'S' version features like power-up stabilization.

'R17' DRV Version Features

Details on 'R17' version features: bus voltage balancing and overvoltage reset.

DRV Board Version Overview (Continued)

'R32' DRV Version Features

Description of 'R32' version features: bus voltage measuring modification.

DRV Board Compatibility and Replacement

DRV0x to DRV1x Board Changeover

Information on the change to new DRV boards and compatibility requirements.

DRV Board Replacement Part Numbers

Table listing old DRV boards, their replacements, and new part numbers.

MAPRO04 Main Control Board

MAPRO04 Functions and Description

Core functions of the MAPRO04 board for machine control.

DMR-RT3 Wire Feed Control Board

DMRPP05 Control Unit for Push-Pull Torches

SF18 Schematic and Replacement Note

SF18 Replacement Information

Note on SF18 replacement with SF23 due to unavailability.

Cooling Unit Connections

Water Cooling Unit Control Diagrams

Temperature Monitoring Schematics

Temperature Sensor Details and Errors

Bus Voltage Monitoring

Bus Voltage Monitoring Explanation

How the machine monitors bus voltage and related error codes (E02, E22, E33).

PE (Protective Earth) Protection

PE Monitoring and Error Code

Explanation of PE monitoring feature and associated error E04-01.

Cooling Unit Water Monitoring

Water Monitoring System Description

Description of the water monitoring system using a self-heating sensor.

Water Monitoring Schematic and Error E05

Schematic of water monitoring and error E05 for no water flow detected.

Output Voltage Monitoring

Output Voltage Monitoring Explanation

How output voltage is monitored and related error codes (E06, E12, E18).

Open Circuit Voltage and VRD

Welding Current Monitoring and Shunt Resistor

Welding Current Measurement Process

How welding current is monitored via DSP and FPGA, and error codes E15.

Wire Feed Motor Control and Identification

Wire Feed Motor Operation and Errors

How the wire feed motor is driven, monitored, and error E08.

DMRPP05 Schematic and Push-Pull Option

Supply Voltages and Schematics

Machine Configuration and Resistors

Machine Configuration Process

How the machine configuration is read and compared, and error E30.

DRV13/DRV15/DRV17 Configuration Resistors

Details on configuration resistors and DIP switch settings for DRV boards.

Primary Input Current Monitoring

Input Current Monitoring and Errors

Monitoring of input current and related error codes E32.

Primary Current Sensor Mounting

Fan Control and Monitoring

Mains Monitoring

LorchNet-Remote Interface

LorchNet-Remote Description and Connection

Description of the remote control interface and its connection.

LorchNet-Remote Signal Pinout

Explanation of signals, pins, and functions for the LorchNet-Remote.

LorchNet Connect for PC Communication

LorchNet Connect Adapter Box

Description of the LorchNet-Connect adapter box for PC connectivity.

LorchNet Connect System Diagram

Diagram showing how to connect a PC to the MicorMIG via LorchNet Connect.

CAN Bus Measurement and Troubleshooting

Machine Data Readout

Data Transfer Methods Overview

Methods for reading machine data: NFC and QR-code.

NFC Data Readout Procedure

Step-by-step guide for reading machine data via NFC using a smartphone.

QR-Code Data Readout

QR-Code Data Transfer Procedure

Procedure for reading machine data via QR-code using a smartphone.

Information Messages and Causes

Error Code Reference

Overtemperature and Voltage Error Codes

Error codes E01, E02, E04, E05, E06 related to temperature, voltage, and PE.

Wire Feed and Power Unit Error Codes

Error codes E07, E08, E12 related to EEPROM, wire feed motor, and power unit startup.

Error Code Reference (Continued)

Supply, Offset, and Overload Error Codes

Error codes E13, E14, E15, E18, E22, E25 related to supply, offset, overload, OCV.

Bus Voltage, Fan, and Mains Error Codes

Error codes E33, E34, E41 related to bus voltage, fan, and mains loss.

Configuration and Communication Error Codes

Error codes E27, E30, E31, E32 related to configuration, communication, and current.

Demo Mode and Bus Connection Error Codes

Error codes E48 related to demo mode and CAN bus connection issues.

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