Lincoln Electric PF56D Service Manual
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SVM 3188
Rev.00 05-2023
PF56D
For use with machines having code number: 50633
LINCOLN ELECTRIC EUROPE
www.lincolnelectric.eu

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Summary of Contents for Lincoln Electric PF56D

  • Page 1 SVM 3188 Rev.00 05-2023 PF56D For use with machines having code number: 50633 LINCOLN ELECTRIC EUROPE www.lincolnelectric.eu...
  • Page 2: Table Of Contents

    INDEX OF CONTENTS INDEX OF CONTENTS ............................2 TECHNICAL SPECIFICATIONS ........................3 ELECTROMAGNETIC COMPATIBILITY (EMC) ....................4 SAFETY ................................5 INTRODUCTION ..............................7 INSTALLATION AND OPERATOR INSTRUCTIONS ..................7 MAJOR COMPONENTS LOCATION ......................13 THEORY OF OPERATION ..........................14 TROUBLESHOOTING AND REPAIR SECTION .................... 15 HOW TO USE TROUBLESHOOTING GUIDE ....................
  • Page 3: Technical Specifications

    TECHNICAL SPECIFICATIONS NAME INDEX PF 56D K14392-1 INPUT Input Voltage U Input Amperes I EMC Class 40Vdc 4Adc RATED OUTPUT Duty Cycle 40°C (based on a 10 min. period) Output Current 100% 420A 500A Welding Current Range Peak Open Circuit Voltage 5 ÷...
  • Page 4: Electromagnetic Compatibility (Emc)

    If any electromagnetic disturbances are detected the operator must put in place corrective actions to eliminate these disturbances, if necessary with assistance from Lincoln Electric. Before installing the machine, the operator must check the work area for any devices that may malfunction because of electromagnetic disturbances.
  • Page 5: Safety

    Failure to follow the instructions in this manual could cause serious personal injury, loss of life, or equipment damage. Read and understand the following explanations of the warning symbols. Lincoln Electric is not responsible for damages caused by improper installation, improper care or abnormal operation.
  • Page 6 CYLINDER MAY EXPLODE IF DAMAGED: Use only certificate, compressed gas cylinders containing the correct shielding gas for the process used and properly operating regulators designed for the gas and pressure used. Always keep cylinders in an upright position securely chained to a fixed support. Do not move or transport gas cylinders with the protection cap removed.
  • Page 7: Introduction

    Introduction PF 56D is digital wire feeder which have been designed to Set of power source and wire feeder allow welding in work with Lincoln Electric power sources: listed processes:   ® GMAW (MIG/MAG), POWER WAVE 350CE,  ...
  • Page 8 3. Quick Coupling Socket: Coolant inlet (takes Controls and Operational Features warm coolant from the welding gun). WARNING Maximum coolant pressure is 5 bar. 4. Output Socket for SMAW and CAG welding: For connecting welding cable with an electrode holder. 5.
  • Page 9 Loading the Wire Spool Spools of wire with a maximum weight of 16 kg can be used without an adapter. Holder allows mounting plastic, 14 15 steel and fiber spools on the 51mm spindle. It is possible to use other spools after using the appropriate adapter, which can be purchased separately (see "Errore.
  • Page 10 Adjusting of Pressure Roll Force Changing Driving Rolls The pressure arm controls the amount of force the drive rolls exert on the wire. Pressure force is adjusted by turning WARNING adjustment clockwise increase force, Turn the input power off before installation or changing drive counterclockwise to decrease force.
  • Page 11 Gas Connection Transport and Lifting WARNING WARNING  CYLINDER may explode if damaged. Falling equipment can cause injury and  Always fix the gas cylinder securely in an damage to unit. upright position, against a cylinder wall rack or purpose-made cylinder cart. ...
  • Page 12 We respond to our customers based on the best information in our possession at that time. Lincoln Electric is Any noticeable damage should be reported immediately not in a position to warrant or guarantee such advice, and and repaired.
  • Page 13: Major Components Location

    MAJOR COMPONENTS LOCATION PF56D 1. Motor Board (mounted on the leftside panel) 4. Wire Drive 2. Gas Solenoid 5. Reel Hub 3. Motor 6. User Interface Board...
  • Page 14: Theory Of Operation

    USER INTERFACE BOARD through the input male plug on the back of the feeders. PF56D is equipped with USB that can be used to share welding procedures and settings among many PF56D uses an innovative TFT User Interface. From machines and many users and software update.
  • Page 15: Troubleshooting And Repair Section

    TROUBLESHOOTING AND REPAIR SECTION  How to use troubleshooting Guide  Troubleshooting Guide  Error Codes  Case Cover Removal Procedure  Feeder Control Board test  User Interface Board test  Gas Solenoid test  Wire Drive Motor test ...
  • Page 16: How To Use Troubleshooting Guide

    HOW TO USE TROUBLESHOOTING GUIDE Service and repair should be performed by only Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 17 WARNING NOTE: Allow the machine to heat up so that all electrical components can reach their operating temperature. 5. Remove the replacement PC board and ELECTRIC SHOCK can kill substitute it with the original PC board to recreate the original problem. ...
  • Page 18 MOTOR BOARD CONNECTOR These tests and repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and...
  • Page 19: Error Codes

    Thermal Overload Figure 8 Errore. L'origine riferimento non è stata trovata. shows list of basic errors that can appear. To get full list of error codes, please contact with authorize Lincoln Electric service. Table 2 Error codes Error code Symptoms...
  • Page 20: Case Cover Removal Procedure

    CASE COVER REMOVAL PROCEDURE WARNING Service and repair should be performed only by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 21 PF56D - CASE COVER REMOVAL (continued) Figure 1 Figure 1a Necessary tool: - Torx T25 wrench Procedure: 1. Turn the power source ON/OFF switch to OFF position. 2. Disconnect Input Power from the power source ! 3. Remove the 2 screws (A) from the back of the left side feeder panel. See Figure 1 4.
  • Page 22: Feeder Control Board Test

    FEEDER CONTROL BOARD TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 23 FEEDER CONTROL BOARD TEST (continued) Y057-5 Feeder Control Board Figure 1a – Feeder Control Board Test points Figure 1 - Feeder control board location locations V301 V112 V320 V519 Figure 2 – LEDs location...
  • Page 24 FEEDER CONTROL BOARD TEST (continued) TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Remove input power from the wire feed unit. 2. Perform the wire feeder case removal procedure. 3. Located the Feeder Control Board. See Figure 1. Do not remove the plugs from the Motor Control Board. 4.
  • Page 25: User Interface Board Test

    USER INTERFACE BOARD TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 26 Use always electrically insulate gloves during this test procedure 1. Remove input power from the wire feed unit. 2. Follow the PF56D User Interface removal procedure available inside this manual to get access to the connector X1. See Figure 1.
  • Page 27: Gas Solenoid Test

    GAS SOLENOID TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 28 55ohms +/- 10% 6. If Voltage is not presend check first for loose or faulty wires connections between gas solenoid and motor control board plug. See wire feeder PF56D wiring diagrams. If connections are good, the Motor Control board may be faulty.
  • Page 29: Wire Drive Motor Test

    WIRE DRIVE MOTOR TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 30 WIRE DRIVE MOTOR TEST (continued) Wire drive motor Figure 1 – Wire drive motor location and connectors TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Remove input power from the wire feed unit. 2. Perform the wire feeder case removal procedure taking care of do not disconnect the Motor Control board harnesses.
  • Page 31: Wire Drive Motor Tachometer Test

    WIRE DRIVE MOTOR TACHOMETER TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 32 WIRE DRIVE MOTOR TACHOMETER TEST (continued) Wire drive motor and tachometer Figure 1 – Wire drive motor and tachometer location TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Remove input power from the wire feed unit. 9.
  • Page 33: Disassembly Operations

    DISASSEMBLY OPERATIONS MOTOR CONTROL BOARD REMOVAL AND REPLACEMENT PROCEDURE Figure 2 – Motor Control Figure 1 board location REMOVAL PROCEDURE Necessary tools: - Torx T25 wrench - Screwdriver type PH02 1. Turn the power source ON/OFF switch to OFF position. 2.
  • Page 34 DISASSEMBLY OPERATIONS (continued) WIRE DRIVE MOTOR AND WIRE DRIVE PLATE REMOVAL AND REPLACEMENT PROCEDURE Figure 1 Figure 1a REMOVAL PROCEDURE Necessary tools: Screwdriver type PH02 3 mm allen wrench 10 mm wrench 1. Remove main input power from the Wire Feeder. 2.
  • Page 35 DISASSEMBLY OPERATIONS (continued) USER INTERFACE BOARD REMOVAL AND REPLACEMENT PROCEDURE Figure 1b Figure 1 Figure 1c Figure 1a REMOVAL PROCEDURE Necessary tools: 8mm nut driver 14mm wrench 2 mm allen wrench Torx T25 PH02 screwdriver 1. Remove main input power from the Wire Feeder. 2.
  • Page 36 DISASSEMBLY OPERATIONS (continued) USER INTERFACE BOARD REMOVAL AND REPLACEMENT PROCEDURE Figure 2 Figure 3 Figure 4 10. Using the torx T25 wrench remove the 4 screw (A) that are fixing the User Interface assembly on the Feeder front panel. See Figure 2. 11.
  • Page 37 DISASSEMBLY OPERATIONS (continued) GAS VALVE REMOVAL AND REPLACEMENT PROCEDURE Figure 1 Figure 2 REMOVAL PROCEDURE Necessary tools: 14mm wrench Pincers Metal clip 10,5 GER (part number 0656-790-105R) Threadlocker liquid 1. Remove main input power from the Wire Feeder. 2. Perform the wire feeder case removal procedure. 3.
  • Page 38: Calibration Procedure

    CALIBRATION PROCEDURE This calibration has to be performed using the Feeder PF-56D, connected to the machine. Prepare the external reference ammeter (A) and voltmeter (V). Connect a load to output with A and V. Enter to Service Mode: on the feeder, push the right encoder and switch machine on. Release button after end starting.
  • Page 39: Electrical Diagrams

    ELECTRICAL DIAGRAMS Schematic Diagram...
  • Page 40: Note

    NOTE...

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50633

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