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LORCH Saprom S - Service Manual

LORCH Saprom S
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Service Manual
Saprom S
909.0620.1-01

Questions and Answers

  • S
    sharon53Sep 10, 2025
    Why is my LORCH Saprom S showing error E 04?
    • B
      bakerdevinSep 12, 2025
      If the LORCH Welding System displays error E 04, it means the temperature sensor of the power unit detects that the unit heats up too fast. Check the fan and air hardening lime.
  • D
    Derek HolderSep 9, 2025
    What does error E 23 mean on my LORCH Saprom S and how can I fix it?
    • P
      Pamela GardnerSep 9, 2025
      If the LORCH Welding System displays error E 23, it indicates that the power unit reports mains voltage is too high. Check the mains voltage.
  • F
    Frank HernandezSep 8, 2025
    What does error E 30 mean on my LORCH Welding System and how can I fix it?
    • M
      Mark RogersSep 8, 2025
      If the LORCH Welding System displays error E 30, it indicates that power unit 2 reports mains voltage too low. Check the mains voltage and mains rectifier.
  • T
    Tammy HolmesAug 22, 2025
    What to do if my LORCH Saprom S Welding System shows error E 01?
    • J
      Jeremy OconnorAug 23, 2025
      If the LORCH Welding System displays error E 01, it means the thermal sensor of the power unit is measuring a temperature that is too high. To resolve this, allow the machine to cool down in standby mode.
  • M
    margaretbanksSep 5, 2025
    What does error E 14 mean on my LORCH Saprom S and how can I fix it?
    • S
      Steven GriffinSep 5, 2025
      If the LORCH Welding System displays error E 14, it indicates that the supply voltage is too low (less than 17V). Check the mains voltage and control transformer.
  • W
    William CampbellSep 4, 2025
    What does error E 02 mean on my LORCH Saprom S and how can I fix it?
    • D
      dgreeneSep 4, 2025
      If the LORCH Welding System displays error E 02, it indicates that the mains voltage is too high (24V supply > 36V). Check the mains voltage and control transformer.
  • J
    Jessica ArroyoSep 3, 2025
    What does error E27 mean on my LORCH Welding System and how can I fix it?
    • C
      cardenasjosephSep 3, 2025
      If the LORCH Welding System displays error E27, it means the welding programs are faulty or not available. You can try selecting another material-wire-gas combination or transfer welding programs to the machine again.
  • T
    Tyler RussoSep 2, 2025
    Why does my LORCH Saprom S Welding System show error E 00?
    • K
      Katelyn HoffmanSep 2, 2025
      If the LORCH Welding System displays error E 00, it means there are no welding parameters available for the selected material, wire, and gas combination because there is no reasonable combination. You should select another material-wire-gas combination.
  • B
    Barbara SimpsonSep 1, 2025
    What does error E 11 mean on my LORCH Saprom S and how can I fix it?
    • T
      Teresa ChapmanSep 1, 2025
      If the LORCH Welding System displays error E 11, it indicates a short circuit between the remote control cables. Check the remote control and the wiring of the remote control socket.
  • M
    Megan LucasAug 30, 2025
    What does error E 10 mean on my LORCH Welding System and how can I fix it?
    • J
      Jonathan BrockAug 31, 2025
      If the LORCH Welding System displays error E 10, it indicates a short circuit of the torch control cables or between the torch switch wires and the welding potential. Check the torch control cables and the torch interface.

Summary

Machine Overview

Machine Elements Overview

Identifies and describes the various components of the welding machine.

General Safety Precautions

Common Logic Functions

Gas Test Procedure

Procedure to test the gas valve activation and duration.

Cooling Pump Test Procedure

Procedure to test the cooling pump activation and duration.

Parameter Reset Procedures

Procedure to reset secondary parameters and Tiptronic settings.

Master Reset Procedure

Procedure to reset the machine to factory settings, deleting all Tiptronic jobs.

S-Series Schematic Diagram

Troubleshooting Guide

Pc-board DP-MAPRO

DP-MAPRO Board Functions

Details the operational capabilities and responsibilities of the DP-MAPRO pc-board.

DP-MAPRO LED Indicators

Describes the normal and malfunction states of LEDs on the DP-MAPRO pc-board.

Overview Fuses DP-MAPRO

DP-MAPRO Measuring Points

Lists measurement points and expected results for the DP-MAPRO board.

DP-MAPRO DIP Switch Settings

Explains DIP switch functions for programming and operational modes on the DP-MAPRO board.

DP-MAPRO Board Layout

Pc-board DMR

DMR Board Functions

Details the functions of the DMR pc-board, controlling the wire feed motor.

DMR LED Indicators

Describes the normal and malfunction states of LEDs on the DMR pc-board.

DMR Measuring Points

Lists measurement points and expected results for the DMR pc-board.

DMR Board Layout

Pc-board DS20 BF

DS20 BF Board Functions

Details the functions of the DS20BF pc-board, controlling the front panel interface.

Machine with Separated Front Panels

Display Test Function

Pc-board DK-DCDRV; DK-S3 DRV

DK-DCDRV;DK-S3 DRV Functions

Details the functions of the DK-DCDRV/DK-S3DRV pc-board in managing the power unit.

DK-DCDRV;DK-S3 DRV Power Unit Encoding

Describes jumper settings for power unit encoding based on machine type.

DK-DCDRV;DK-S3 DRV LED Indicators

Describes the normal and malfunction states of LEDs on the DK-DCDRV/DK-S3DRV pc-board.

DK-DCDRV;DK-S3 DRV Measuring Points

Lists measurement points and expected results for the DK-DCDRV/DK-S3DRV pc-board.

DK-DCDRV;DK-S3 DRV Board Layout

Pc-board DK-PWRUP

DK-PWRUP Board Functions

Details the functions of the DK-PWRUP pc-board, the power-up circuit.

DK-PWRUP Measuring Points

Lists measurement points and expected results for the DK-PWRUP pc-board.

DK-PWRUP Fuses

Details fuses used for safeguarding the control transformer on the DK-PWRUP board.

Pc-board PWRUP04

PWRUP04 Board Functions

Details the functions of the PWRUP04 pc-board, the power-up circuit.

PWRUP04 Measuring Points

Lists measurement points and expected results for the PWRUP04 pc-board.

PWRUP04 Fuses

Details fuses used for safeguarding the control transformer on the PWRUP04 board.

Pc-board DP-S3 NEFI

DP-S3 NEFI Board Functions

Details the functions of the DP-S3NEFI pc-board, mains filter and power up board.

DP-S3 NEFI Measuring Points

Lists measurement points and expected results for the DP-S3NEFI pc-board.

DP-S3 NEFI Fuses

Details fuses used for safeguarding the control transformer on the DP-S3NEFI board.

Pc-board DK-GLCL

DK-GLCL Board Functions

Details the functions of the DK-GLCL pc-board, for wiring secondary rectifier diodes.

Pc-board DP-UFI

DP-UFI Board Functions

Details the functions of the DP-UFI pc-board, for wiring welding sockets.

DP-UFI Measuring Points

Lists measurement points and expected results for the DP-UFI pc-board.

Pc-board DP-UFI-BO

DP-UFI-BO Board Functions

Details the functions of the DP-UFI-BO pc-board, for wiring welding sockets.

Pc-board DP-EMV

DP-EMV Board Functions

Details the functions of the DP-EMV pc-board, an EMC filter.

Pc-board LSW

LSW Board Functions

Details the functions of the LSW pc-board, a potential free current sensor.

LSW Measuring Points

Lists measurement points and expected results for the LSW pc-board.

Pc-board DS-VA

DS-VA Board Functions

Details the functions of the DS-VA pc-board, a digital display.

DS-VA LED Indicators

Describes the normal states of LEDs on the DS-VA pc-board.

Pc-board PP-90 R

PP-90 R Board Functions

Details the functions of the PP-90R pc-board, managing Push-Pull torches.

PP-90 R Measuring Points

Lists measurement points and expected results for the PP-90R pc-board.

Pc-board DS-ERW

DS-ERW Board Functions

Details the functions of the DS-ERW pc-board, an extension for wire feed cases.

DS-ERW LED Indicators

Describes the normal states of LEDs on the DS-ERW pc-board.

DS-ERW Measuring Points

Lists measurement points and expected results for the DS-ERW pc-board.

Control Transformer Specifications

LORCH Saprom S Specifications

General IconGeneral
BrandLORCH
ModelSaprom S
CategoryWelding System
LanguageEnglish

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