EWM T5.00-AC/DC Comfort 3.0 Operating Instructions Manual
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EWM T5.00-AC/DC Comfort 3.0 Operating Instructions Manual

EWM T5.00-AC/DC Comfort 3.0 Operating Instructions Manual

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Operating instructions
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T5.00 - AC/DC Comfort 3.0
EN
099-00T500-EW501
Observe additional system documents!
30.1.2023

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Summary of Contents for EWM T5.00-AC/DC Comfort 3.0

  • Page 1 Operating instructions Control T5.00 - AC/DC Comfort 3.0 099-00T500-EW501 Observe additional system documents! 30.1.2023...
  • Page 2 +49 2680 181-0. A list of authorised sales partners can be found at www.ewm-group.com/en/specialist-dealers. Liability relating to the operation of this equipment is restricted solely to the function of the equipment. No other form of liability, regardless of type, shall be accepted.

  • Page 3: Table Of Contents

    Contents Notes on using these operating instructions Contents 1 Contents ............................3 2 For your safety ..........................6 Notes on using these operating instructions ................6 Explanation of icons ....................... 7 Safety instructions ........................8 Transport and installation ....................11 3 Intended use ..........................
  • Page 4 Contents Notes on using these operating instructions 5.1.9 TIG activArc welding ..................... 41 5.1.10 TIG antistick ......................41 5.1.11 Pulse welding ......................42 5.1.12 Average value pulse welding ................42 5.1.12.1 Thermal pulsing ..................43 5.1.12.2 Automated pulses .................. 43 5.1.12.3 AC special .....................
  • Page 5 Contents Notes on using these operating instructions 8.1.2 MMA welding ......................81 8.1.2.1 Pulse parameters .................. 82 8.1.2.2 AC parameters ..................82 8.1.3 Global parameters ....................82 Searching for a dealer ......................83 099-00T500-EW501 30.1.2023...

  • Page 6: For Your Safety

    For your safety Notes on using these operating instructions For your safety Notes on using these operating instructions DANGER Working or operating procedures which must be closely observed to prevent imminent serious and even fatal injuries. • Safety notes include the "DANGER" keyword in the heading with a general warning symbol. •...

  • Page 7: Explanation Of Icons

    For your safety Explanation of icons Explanation of icons Symbol Description Symbol Description Indicates technical aspects which the Activate and release / Tap / Tip user must observe. Switch off machine Release Switch on machine Press and hold Incorrect / Invalid Switch Correct / Valid Turn...

  • Page 8: Safety Instructions

    For your safety Safety instructions Safety instructions WARNING Risk of accidents due to non-compliance with the safety instructions! Non-compliance with the safety instructions can be fatal! • Carefully read the safety instructions in this manual! • Observe the accident prevention regulations and any regional regulations! •...
  • Page 9 For your safety Safety instructions WARNING Risk of injury due to improper clothing! During arc welding, radiation, heat and voltage are sources of risk that cannot be avoided. The user has to be equipped with the complete personal protective equipment at all times.
  • Page 10 For your safety Safety instructions CAUTION Smoke and gases! Smoke and gases may lead to shortness of breath and poisoning! The ultraviolet radia- tion of the arc may also convert solvent vapours (chlorinated hydrocarbon) into poiso- nous phosgene. • Ensure sufficient fresh air! •...

  • Page 11: Transport And Installation

    For your safety Transport and installation CAUTION Obligations of the operator! The respective national directives and laws must be complied with when operating the machine! • Implementation of national legislation relating to framework directive 89/391/EEC on the int- roduction of measures to encourage improvements in the safety and health of workers at work and associated individual guidelines.
  • Page 12 For your safety Transport and installation CAUTION Risk of accidents due to supply lines! During transport, attached supply lines (mains leads, control cables, etc.) can cause risks, e.g. by causing connected machines to tip over and injure persons! • Disconnect all supply lines before transport! Risk of tipping! There is a risk of the machine tipping over and injuring persons or being damaged itself during movement and set up.

  • Page 13: Intended Use

    Intended use Use and operation solely with the following machines Intended use WARNING Hazards due to improper usage! The machine has been constructed to the state of the art and any regulations and stand- ards applicable for use in industry and trade. It may only be used for the welding proce- dures indicated at the rating plate.

  • Page 14: Documents Which Also Apply

    3.3.1 Warranty For more information refer to the "Warranty registration" brochure supplied and our information regarding warranty, maintenance and testing at www.ewm-group.com! 3.3.2 Declaration of Conformity This product corresponds in its design and construction to the EU directives listed in the decla- ration.

  • Page 15: Part Of The Complete Documentation

    Intended use Documents which also apply 3.3.6 Part of the complete documentation This document is part of the complete documentation and valid only in combination with all other parts of these instructions! Read and observe the operating instructions for all system components, especially the safety instructions! The illustration shows a general example of a welding system.

  • Page 16: Machine Control - Operating Elements

    Machine control – Operating elements Overview of control sections Machine control – Operating elements Overview of control sections For description purposes, the machine control has been divided into three sections (A, B, C) to ensure maximum clarity. The setting range for the parameter values are summarised in the parameter overview section >...

  • Page 17: Control Section A

    Machine control – Operating elements Overview of control sections 4.1.1 Control section A Figure 4-2 Item Symbol Description System push-button • ----------- Quick access to various device configuration parameters. For the complete parameter list, see the machine configuration menu > see 5.10 chapter •...
  • Page 18 Machine control – Operating elements Overview of control sections Item Symbol Description Push-button for operating modes > see 5.1.8 chapter --------- Latched ------- Non-latched - Spot welding procedure spotArc Spot welding procedure spotmatic Pulsing push-button > see 5.1.11 chapter ------ Average value pulsing ----- Thermal pulsing -- Automated pulsing - AC special...

  • Page 19: Control Section B

    Machine control – Operating elements Overview of control sections 4.1.2 Control section B Figure 4-3 Item Symbol Description TIG ignition type signal light Signal light on: Lift arc ignition active/HF start off. You can switch the ignition type in the Expert menu (TIG) >...
  • Page 20 Machine control – Operating elements Overview of control sections Item Symbol Description Signal light for status display After each completed welding process, the last values used for welding current and vol- tage are shown in the displays and the signal light is on. Access control active signal light Signal light is on when access control is active on the machine con- trol >...

  • Page 21: Control Section C

    Machine control – Operating elements Overview of control sections 4.1.3 Control section C Figure 4-4 Item Symbol Description Signal light for main current /pulse current Signal light for up-slope time Signal light for start current Signal light for electrode diameter Signal light for gas pre-flow time Signal light for ignition optimisation (TIG) Signal light for welding task (JOB)

  • Page 22: Machine Display

    Machine control – Operating elements Machine display Machine display The following welding parameters can be displayed before (nominal values), during (actual values) or af- ter welding (hold values). The display of the hold values is indicated by the signal light Parameter Before welding During welding...

  • Page 23: Setting Advanced Welding Parameters (Expert Menu)

    Machine control – Operating elements Operating the machine control 4.3.4 Setting advanced welding parameters (Expert menu) The Expert menu contains functions and parameters that cannot be set directly on the machine control or for which regular settings are not required. The number and display of these parameters depend on the previously selected welding procedure or functions.

  • Page 24: Functional Characteristics

    Functional characteristics TIG welding Functional characteristics TIG welding 5.1.1 Setting the shielding gas volume (gas test)/rinse hose package • Slowly open the gas cylinder valve. • Open the pressure regulator. • Switch on the power source at the main switch. •...

  • Page 25: Welding Task Selection

    Functional characteristics TIG welding 5.1.2 Welding task selection By setting the tungsten electrode diameter , the TIG ignition behaviour (ignition energy), machine functions and minimum current limit are preset optimally. Smaller electrode diameters require less ignition energy than larger electrode diameters. If necessary, the ignition energy >...

  • Page 26: Manual Ignition Setting

    Functional characteristics TIG welding 5.1.4 Manual ignition setting When the special ignition is selected, the dependency of the minimum current limits on the electrode dia- meter is disabled. The ignition energy can now be set independently with the parameters ignition current and ignition time .

  • Page 27: Recurring Welding Tasks (Job 1-100)

    Functional characteristics TIG welding 5.1.4.1 Recurring welding tasks (JOB 1-100) The user has 100 additional memory locations at their disposal to save recurring or different welding tasks on a permanent basis. To do so, simply select the required memory location (JOB 1-100) and set the welding task as described previously.

  • Page 28: Welding Programs

    Functional characteristics TIG welding 5.1.5 Welding programs The welding programs function is factory set to disabled and must be activated for use with the parame- in the machine configuration menu > see 5.10 chapter. In each selected welding task (JOB), > see 5.1.2 chapter, 16 programs can be set, saved and called up. In program “0”...

  • Page 29: Ac Welding

    Functional characteristics TIG welding 5.1.6 AC welding The welding of aluminium and aluminium alloys is made possible by the periodic change of polarity on the tungsten electrode. The negative pole (negative half-wave) of the tungsten electrode determines the penetration characteris- tics and has a lower electrode load compared to the positive half-wave.

  • Page 30: Tungsten Balling Function

    Functional characteristics TIG welding 5.1.6.2 Tungsten balling function The tungsten balling function achieves an optimal balled end enabling the best ignition and welding re- sults for AC welding. Optimal tungsten balling requires a sharpened electrode (about 15–25 °) and the set electrode diameter on the machine control.

  • Page 31: Ac Balance (Optimise Cleaning Effect And Penetration Characteristics)

    Functional characteristics TIG welding 5.1.6.3 AC balance (optimise cleaning effect and penetration characteristics) It is important to choose the right time relationship (balance) between the positive phase (cleaning effect, balled end size) and the negative phase (penetration depth). This may differ from the factory setting de- pending on the material and task.

  • Page 32: Automatic Ac Frequency

    Functional characteristics TIG welding 5.1.6.5 Automatic AC frequency Activation takes place in the functional sequence using the parameter frequency . By turning to the left, the parameter value is reduced until the parameter (AC frequency automatic) is shown in the display. The signal light comes on when the function is enabled.

  • Page 33: Ac Commutation Optimisation

    Functional characteristics TIG welding 5.1.6.6 AC commutation optimisation With AC welding, a periodic change between positive and negative half-wave takes place. This pole change is called commutation. External influences such as low-alloy aluminium materials (such as Al 99.5) or gases that are difficult to ionize (Ar/He mixtures) may compromise the commutation and lead to lower arc stability and higher noise levels.

  • Page 34: Liftarc

    Functional characteristics TIG welding 5.1.7.2 Liftarc Figure 5-15 The arc is ignited on contact with the workpiece: a) Carefully place the torch gas nozzle and tungsten electrode tip onto the workpiece and press the torch trigger (liftarc current flowing, regardless of the main current set). b) Incline the torch over the torch gas nozzle to produce a gap of approx.

  • Page 35: Operating Modes (Functional Sequences)

    Functional characteristics TIG welding 5.1.8 Operating modes (functional sequences) 5.1.8.1 Explanation of symbols Symbol Meaning Press torch trigger 1 Release torch trigger 1 Current Time Gas pre-flow Start current Start time Up-slope time Spot time Main current (minimum to maximum current) Secondary current AMP% Pulse time...

  • Page 36: Non-Latched Mode

    Functional characteristics TIG welding 5.1.8.2 Non-latched mode Sequence Figure 5-16 cycle: • Press and hold torch trigger 1. • The gas pre-flow time expires (shielding gas flows). • The arc is ignited (HF ignition). • The start current flows for the start time (the HF ignition shuts down).

  • Page 37: Spotarc

    Functional characteristics TIG welding cycle • Press the torch trigger 1 • The gas pre-flow time expires (shielding gas flows). • The arc is ignited (HF ignition). • The start current flows as long as the torch trigger is held, but at least for the start time (the HF ignition shuts down).
  • Page 38 Functional characteristics TIG welding Figure 5-19 As an example the process is shown with HF ignition. Arc ignition with lift arc is also possible, how- ever > see 5.1.7 chapter. Sequence: • Press torch trigger and hold down. • The gas pre-flow time elapses. •...

  • Page 39: Spotmatic

    Functional characteristics TIG welding 5.1.8.5 spotmatic In contrast to the spotArc operating mode, the arc is not ignited by pressing the torch trigger as is usual, but by briefly touching the tungsten electrode against the workpiece. The torch trigger is used for welding process activation.

  • Page 40: Non-Latched Operation, Version C

    Functional characteristics TIG welding As an example the process is shown with HF ignition. Arc ignition with lift arc is also possible, how- ever > see 5.1.7 chapter. Selecting the process activation type for the welding process > see 5.10 chapter. Up-slope and down-slope times possible for long spot time setting range (0.01–20.0 s) only.

  • Page 41: Tig Activarc Welding

    5.1.9 TIG activArc welding The EWM activArc process, thanks to the highly dynamic controller system, ensures that the power sup- plied is kept virtually constant in the event of changes in the distance between the welding torch and the weld pool, e.g. during manual welding. Voltage losses as a result of a shortening of the distance between the torch and molten pool are compensated by a current rise (ampere per volt - A/V), and vice versa.

  • Page 42: Pulse Welding

    Functional characteristics TIG welding 5.1.11 Pulse welding The following pulse types can be selected: • Average value pulsing (TIG AC up to 5 Hz and WIG DC up to 20 kHz) • Thermal pulsing (TIG AC or TIG DC) • Automated pulsing (TIG DC) •...

  • Page 43: Thermal Pulsing

    Functional characteristics TIG welding 5.1.12.1 Thermal pulsing The operation sequences basically match the standard welding sequences, but there is an additional switching back and forth between the main current AMP (pulse current) and the secondary current AMP% (pulse pause current) at the set times. Pulse and pause times and the pulse edges ( ) are en- tered in seconds on the control.

  • Page 44: Ac Special

    Functional characteristics TIG welding 5.1.12.3 AC special Is e.g. used to join metal sheets of different thickness. Pulse time setting Figure 5-28 pulse edges can be set in the Expert menu (TIG) > see 5.1.15 chapter. 5.1.12.4 Pulsing in an upslope/downslope The pulse function can also be deactivated if necessary during the up-slope and down-slope phases (parameter ) >...

  • Page 45: Welding Torch (Operating Variants)

    Functional characteristics TIG welding 5.1.13 Welding torch (operating variants) 5.1.13.1 Welding torch mode The operating elements (torch triggers or rockers) and their function can be individually adapted using various torch modes. Up to six modes are available to the user. The tables for the corresponding torch types describe the functional options.
  • Page 46 Functional characteristics TIG welding Welding torch with one torch trigger and up/down push-buttons Figure 5-32 Function Operation Mode Welding current On / Off BRT 1 Secondary current (in latched operation) Increase welding current (up/down speed) Decrease welding current (up/down speed) DOWN Welding current On / Off BRT 1...
  • Page 47 Functional characteristics TIG welding TIG function torch, Retox XQ Figure 5-34 Function Operation Mode Welding current On / Off BRT 1 Secondary current (in latched operation) Secondary current (in latched operation) BRT 2 Increase welding current (up/down speed) Decrease welding current (up/down speed) DOWN Welding current On / Off BRT 1...

  • Page 48: Tapping Function (Tap Torch Trigger)

    Functional characteristics TIG welding Function Operation Mode Welding current On / Off BRT 1 Secondary current (in latched operation) Secondary current (in latched operation) BRT 2 Infinitely variable increase of welding current (up/down speed) Infinitely variable decrease of welding current (up/down speed) DOWN Switching between up/down speed and JOB number BRT 2...

  • Page 49: Response

    Functional characteristics TIG welding 5.1.14.2 Response This function controls the responsiveness of the welding current during the main current phase. The user can choose between linear and logarithmic responsiveness. The logarithmic setting is particularly suitable for welding with low current, e.g., for thin panels as the logarithmic responsiveness enables better control of the welding current.

  • Page 50: End Program

    Functional characteristics TIG welding 5.1.14.4 End program The end program “ ” can be enabled or disabled in the machine configuration menu > see 5.10 chapter. Enabled end program The activation of the end program is suitable for adjusting the working area (lower limit increased) for the end-crater fill.

  • Page 51: Expert Menu (Tig)

    Functional characteristics TIG welding 5.1.15 Expert menu (TIG) The Expert menu has adjustable parameters stored that don’t require regular setting. The number of pa- rameters shown may be limited, e.g. if a function is deactivated. AcS=nEt AcS=nEt Figure 5-36 Display Setting/selection Slope time (main current to secondary current) Slope time (secondary current to main current)
  • Page 52 Functional characteristics TIG welding Display Setting/selection Amplitude balance > see 5.1.6.4 chapter Commutation optimisation (AC) > see 5.1.6.6 chapter ------- Automatic mode (factory setting). ------- Manual mode (1-100). Synchronous welding (AC) > see 5.9 chapter ------- Function disabled (factory setting) ------- Synchronisation via mains voltage (50 Hz / 60 Hz) Synchronous welding (AC) - phase difference setting Synchronous welding (AC) - phase fine-tuning setting...

  • Page 53: Aligning The Cable Resistance

    Functional characteristics TIG welding 5.1.16 Aligning the cable resistance To ensure optimum welding properties, the electric cable resistance should be aligned again whenever an accessory component such as the welding torch or the intermediate hose package (AW) has been chan- ged.
  • Page 54 Functional characteristics TIG welding 1 Preparation • Switch off the welding machine. • Unscrew the gas nozzle from the welding torch. • Unfasten the tungsten electrode and extract. • Switch on the welding machine. 2 Configuration • Press push-button • Press the rotary button and select parameter 3 Alignment / Measurement •...

  • Page 55: Mma Welding

    Functional characteristics MMA welding MMA welding 5.2.1 Welding task selection It is only possible to change the basic parameters when no welding current is flowing and any possible access control is disabled > see 5.6 chapter. The following welding task selection is an example of use. In general, the selection process always has the same sequence.

  • Page 56: Arcforce

    Functional characteristics MMA welding 5.2.3 Arcforce During the welding process, arcforce prevents the electrode sticking in the weld pool with increases in current. This makes it easier to weld large-drop melting electrode types at low current strengths with a short arc in particular. Arcforce Arcforce Figure 5-41...

  • Page 57: Welding Current Polarity Reversal (Polarity Reversal)

    Functional characteristics MMA welding 5.2.5 Welding current polarity reversal (polarity reversal) This function can be used to reverse the welding current polarity electronically. For example, when welding with different electrode types for which different polarities are stipulated by the manufacturer, the welding current polarity can be switched easily on the control. Figure 5-43 5.2.6 AC welding...

  • Page 58: Pulse Welding

    Functional characteristics Arc length restriction (USP) Selection Figure 5-45 5.2.7 Pulse welding 5.2.7.1 Average value pulse welding Average value pulse welding means that two currents are switched periodically, a current average value (AMP), a pulse current (Ipuls), a balance ( ) and a frequency ( ) having been defined first.

  • Page 59: Job Favourites

    Functional characteristics Arc length restriction (USP) 5.3.1 JOB favourites Favourites are additional locations for storing and loading frequently used welding tasks, programs and their settings. The status of the Favourites (loaded, changed, not loaded) is indicated by signal lights. • Five Favourites are available to save any settings.

  • Page 60: Deleting Saved Favourites

    Functional characteristics Managing welding tasks (JOB manager) 5.3.1.3 Deleting saved Favourites Figure 5-50 • Press and hold the favourite memory push-button. After 2 seconds, the signal light of the favourite status turns green after another 5 s, the signal light starts flashing red after another 5 s the signal light goes out •...

  • Page 61: Reset Welding Task (Job) To The Factory Setting

    Functional characteristics Power-saving mode (Standby) 5.4.2 Reset welding task (JOB) to the factory setting This function resets the JOB data of a welding task (JOB) to be selected to the factory settings. Figure 5-52 Power-saving mode (Standby) Using the parameter in the machine configuration menu, the time for the power-saving mode can be set or the mode can be deactivated >...

  • Page 62: Voltage Reducing Device

    The parameter must be set to (signal light Netsync lights up). Two EWM power sources can be synchronised using the phase shift parameter in steps of 60° (0°, 60°, 120°, 180°, 240° and 300°). When synchronising with a third-party product (power source), the parameter Phase fine-tuning be adjusted in steps of 1°...

  • Page 63: Machine Configuration Menu

    Functional characteristics Machine configuration menu 5.10 Machine configuration menu Basic machine settings are defined in the machine configuration menu. 5.10.1 Selecting, changing and saving parameters Figure 5-54 Display Setting/selection Exit the menu Exit Switching the machine off and on Required for applying various configuration parameters Power source menu Switch ignition mode ------ HF ignition...
  • Page 64 Functional characteristics Machine configuration menu Display Setting/selection Reconditioning pulse (tungsten ball stability) Cleaning effect of the tungsten ball at the end of welding. ------- Function enabled (ex works) ------- Function disabled TIG HF start (soft/hard) switching ------- soft ignition (factory setting). ------- hard ignition.
  • Page 65 Functional characteristics Machine configuration menu Display Setting/selection Hold value (MMA) ------ Hold value is only displayed for a defined time (factory setting) ------ Function disabled Process menu spotmatic operating mode > see 5.1.8.5 chapter Ignition by contact with the workpiece ------ Function enabled (ex works) ------ Function disabled Spot time setting >...
  • Page 66 Functional characteristics Machine configuration menu Display Setting/selection Start JOB Set first retrievable JOB (setting: 1 to 100, factory setting 1). Remote control menu Responsiveness > see 5.1.14.2 chapter ------- Linear responsiveness ------- Logarithmic responsiveness (factory setting) Start program of foot-operated remote control > see 5.1.14.3 chapter ------- Function enabled (factory setting).
  • Page 67 Functional characteristics Machine configuration menu Display Setting/selection Operating time/arc time (resettable) ------ Display of the resettable operating time in hours and minutes (can be reset u- sing the parameter ------ Display of resettable arc time in hours and minutes (can be reset using the pa- rameter Operating time/arc time (total) ------ Display of the operating time in hours and minutes (total)
  • Page 68 Functional characteristics Machine configuration menu Display Setting/selection Welding current actual value display > see 4.2 chapter ------- Actual value display ------- Nominal value display Pulsed TIG welding (thermal) ------- Function enabled (ex works) ------- For special applications only Filler wire welding, operating mode ------- Filler wire operation for automated applications, wire is fed when current flows ------- Non-latched operating mode (ex works)

  • Page 69: Maintenance, Care And Disposal

    Maintenance, care and disposal General Maintenance, care and disposal General DANGER Risk of injury due to electrical voltage after switching off! Working on an open machine can lead to fatal injuries! Capacitors are loaded with electrical voltage during operation. Voltage remains present for up to four minutes after the mains plug is removed.

  • Page 70: Disposing Of Equipment

    Information on returning used equipment or collections can be obtained from the respective municipal administration office. Devices can also be returned to EWM sales partners across Europe. Further information on the topic of the disposal of electrical and electronic equipment can be found on our website at: https://www.ewm-group.com/de/nachhaltigkeit.html.

  • Page 71: Rectifying Faults

    Rectifying faults Warnings Rectifying faults All products are subject to rigorous production checks and final checks. If, despite this, something fails to work at any time, please check the product using the following flowchart. If none of the fault rectification procedures described leads to the correct functioning of the product, please inform your authorised dea- ler.
  • Page 72 Rectifying faults Warnings Warning Potential cause / remedy 20 Coolant temperature warning Check coolant level and top up if necessary. 21 Excess temperature 2 reserved 22 Excess temperature 3 reserved 23 Excess temperature 4 reserved 24 Coolant flow warning Check coolant supply. Check coolant level and top up if necessary.

  • Page 73: Error Messages (Power Source)

    Rectifying faults Error messages (power source) Error messages (power source) The possible error numbers displayed depend on the machine series and version! Depending on the options of the machine display, a fault is shown as follows: Display type - machine control Display Graphic display two 7-segment displays...
  • Page 74 Rectifying faults Error messages (power source) Error 7: Low coolant level Category B  Low flow rate. Fill with coolant.  Check coolant flow - remove kinks in the hose package.  Adjust the flow threshold  Clean the cooler. ...
  • Page 75 Rectifying faults Error messages (power source) Error 16: Pilot arc power source - collective error Category A  The external emergency stop circuit has been interrupted. Check the emergency stop circuit and eliminate the cause of the error.   The emergency stop circuit of the power source has been activated (internally configurable). Deactivate the emergency stop circuit.
  • Page 76 Rectifying faults Error messages (power source) Error 20: Low coolant level Category B  Low flow rate. Fill with coolant.  Check coolant flow - remove kinks in the hose package.  Adjust the flow threshold  Clean the cooler. ...
  • Page 77 Rectifying faults Error messages (power source) Error 32: Error I>0  Current recording is faulty. Request service.  Error 33: Error UIST  Voltage recording is faulty. Eliminate the short circuit in the welding circuit.  Remove the external sensor voltage. ...
  • Page 78 Rectifying faults Error messages (power source) Error 48: Ignition error Category B  No ignition at process start (automated machines). Check the wire feeding  Check the load cable connections in the welding circuit.  Clean corroded surfaces on the workpiece before welding if necessary. ...

  • Page 79: Resetting Welding Parameters To The Factory Settings

    Rectifying faults Resetting welding parameters to the factory settings Error 57: Slave tacho error Category B  Fault in the wire feeder (slave drive). Check the connections (connectors, lines).   Permanent overload of the wire drive (slave drive). Do not lay the liner in tight radii. ...

  • Page 80: Appendix

    Appendix Parameter overview – setting ranges Appendix Parameter overview – setting ranges 8.1.1 TIG welding Name Display Setting range Gas pre-flow time Electrode diameter (metric) Electrode diameter (imperial) Ignition optimisation Start current (per cent of Start current (absolute, power source dependent) Start time 0,01 0,01...

  • Page 81: Pulse Parameters

    Appendix Parameter overview – setting ranges 8.1.1.1 Pulse parameters Name Display Setting range Pulse current (average value pulsing) Pulse time (thermal pulsing) 0,01 0,00 20,0 Pulse pause time (thermal pulsing) 0,01 0,00 20,0 Pulse balance (average value pulsing, AC and DC) 50,0 99,9 Pulse frequency (average value pulsing, DC)

  • Page 82: Pulse Parameters

    Appendix Parameter overview – setting ranges 8.1.2.1 Pulse parameters Name Display Setting range Pulse current (average value pulsing) Pulse balance (average value pulsing, AC and DC) 99,9 Pulse frequency (average value pulsing, DC) Pulse frequency (average value pulsing, AC) 8.1.2.2 AC parameters Name Display...

  • Page 83: Searching For A Dealer

    Appendix Searching for a dealer Searching for a dealer Sales & service partners www.ewm-group.com/en/specialist-dealers "More than 400 EWM sales partners worldwide" 099-00T500-EW501 30.1.2023...

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