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General| Brand | LORCH |
|---|---|
| Model | V24 |
| Category | Welding System |
| Language | English |
Identifies key external components of the welding machine.
Outlines mandatory safety practices for machine operation and maintenance.
Details testing procedures according to IEC 60974-4 for Lorch machines.
Describes the steps for performing a pump functionality test.
Explains how to reset machine parameters to factory defaults.
Details the procedure and impact of a master reset operation.
Explains the basic structure: rectifier, driver, transformer, secondary rectifier.
Lists the primary responsibilities of the DK-MAPRO board.
Describes normal and malfunction states indicated by board LEDs.
Explains settings for programming and machine type selection.
Lists the fuses present on the DK-MAPRO board and their ratings.
Details specific test points and expected results on the board.
Lists all connectors on the DK-MAPRO board and their purpose.
Visual representation of the DK-MAPRO board's physical layout.
Describes the role of the front panel board in machine operation.
Visual layout of buttons and LEDs on the DK-AC140 front panel.
Details the front panel board's functions for V mobile machines.
Diagram showing components on the DK-DCI45/DK-ACI45 board.
Steps to start and navigate the front panel's internal test function.
Outlines the DK-DCDRV board's role in managing the primary drive level.
Explains how DIP switches set the power unit type.
Details normal and malfunction states shown by board LEDs.
Identifies key points for voltage and temperature measurement.
Visual guide to MOSFETs, diodes, and connectors on the board.
Lists connectors and their designations for the DCDRV board.
Schematic diagram of the half-bridge primary driver design.
Details the transition from older to newer MOSFET types and compatible boards.
Explains the DK-ACDRV board's role in managing the secondary inverter.
Describes how J1 setting selects the machine type (IGBT count).
Details the meaning of LEDs indicating IGBT drive status.
Identifies points for temperature sensor measurement.
Lists connectors for the DK-ACDRV board and their interface purposes.
Schematic illustrating the AC inverter using IGBTs.
Describes the circuit's role in reducing start-up current and safeguarding the transformer.
Identifies key points for measuring voltages and relay status.
Visual layout of the DK-PWRUP board's components.
Details the mains filter and power-up functions for V24 mobile machines.
Identifies points for measuring input/output voltages and relay status.
Visual layout of the DP-S3NEFI board's components.
Describes the NEFI3x32 board as the mains filter for V30 mobile machines.
Visual layout and connector designations for the NEFI3x32 board.
Explains the DK-GLCL board's function in wiring secondary rectifier diodes.
Visual layout of components on the DK-GLCL board.
Details compatibility between old and new diode types and boards.
Visual layout of components on the DK-GLCL3 board.
Diagram illustrating the circuit design of the DK-GLCL3 board.
Describes the board's role as support for HF ignition.
Details normal and malfunction states indicated by the board's LED.
Identifies points for measuring secondary output voltage.
Visual layout of components on the DK-KSDCN board.
Diagram illustrating the DK-KSDCN circuit for HF ignition support.
Details changes made to the DK-KSDCN board version.
Explains the board's function as the welding machine's ignition device.
Visual layout of components on the DK-HFDC board.
Details the sequence of operations for the ignition device.
Diagram illustrating the DK-HFDC circuit and its interaction.
Describes the DK-UFI board's role in wiring welding sockets.
Identifies points for measuring output voltage.
Visual layout of components on the DK-UFI board.
Visual layout of components on the DK-EMV board.
Describes the LSW board as the machine's current sensor.
Identifies points for measuring supply voltage and output.
Visual layout of components on the LSW board.
Identifies points for measuring supply voltage and sensor output.
Visual representation of the VAC current sensor.
Details the control transformers used in V series machines and their wiring.
Diagram showing how temperature sensors connect to the DSP.
Table listing maximum allowable temperatures for different machine types.
Diagram showing internal supply voltage generation from the control transformer.
Defines voltage limits and corresponding error codes for machine operation.
Diagram showing how welding current is measured by sensors and processed.
Diagram illustrating how welding voltage is measured and processed.
Diagram of the flow meter and cooler for internal cooling systems.
Diagram of the flow meter and cooler for external WUK cooling systems.
Step-by-step guide on how to open and disassemble the flow meter.
Diagram showing the connection and logic for torch buttons.
Diagram illustrating the connections for a remote control.
Details the signals, pins, and their functions for the remote interface.
Diagram showing how primary current is monitored by the DCDRV board.
Diagram illustrating the power-up sequence and component interactions.
Diagram showing how bus voltage is monitored by the DSP.
Defines bus voltage limits and corresponding error messages.
Diagram showing how power unit configuration is read by DK-MAPRO.
Describes how to test MOSFETs using a multimeter and battery.
Diagram illustrating the optional PE protection circuit.
Lists error codes E00-E14, their causes, and remedies.
Lists error codes E16-E31, their causes, and remedies.
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