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18

Maintenance 

 

 WARNING 

For any maintenance or repair operations it is 
recommended to contact the nearest technical service 
center or Lincoln Electric. Maintenance or repairs 
performed by unauthorized service centers or personnel 
will null and void the manufacturers warranty. 
 
The frequency of the maintenance operations may vary 
in accordance with the working environment.  Any 
noticeable damage should be reported immediately. 
 

  Check cables and connections integrity.  Replace, if 

necessary. 

  Keep clean the machine.  Use a soft dry cloth to 

clean the external case, especially the airflow inlet / 
outlet louvers. 

 

 WARNING 

Do not open this machine and do not introduce anything 
into its openings. Power supply must be disconnected 
from the machine before each maintenance and service.  
After each repair, perform proper tests to ensure safety. 
 

Customer Assistance Policy 

The business of The Lincoln Electric Company is 
manufacturing and selling high quality welding 
equipment, consumables, and cutting equipment. Our 
challenge is to meet the needs of our customers and to 
exceed their expectations. On occasion, purchasers may 
ask Lincoln Electric for advice or information about their 
use of our products. We respond to our customers 
based on the best information in our possession at that 
time. Lincoln Electric is not in a position to warrant or 
guarantee such advice, and assumes no liability, with 
respect to such information or advice. We expressly 
disclaim any warranty of any kind, including any 
warranty of fitness for any customer’s particular purpose, 
with respect to such information or advice. As a matter of 
practical consideration, we also cannot assume any 
responsibility for updating or correcting any such 
information or advice once it has been given, nor does 
the provision of information or advice create, expand or 
alter any warranty with respect to the sale of our 
products 
Lincoln Electric is a responsive manufacturer, but the 
selection and use of specific products sold by Lincoln 
Electric is solely within the control of, and remains the 
sole responsibility of the customer. Many variables 
beyond the control of Lincoln Electric affect the results 
obtained in applying these types of fabrication methods 
and service requirements. 
Subject to Change – This information is accurate to the 
best of our knowledge at the time of printing. Please 
refer to 

www.oerlikon-welding.com

 for any updated 

information. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for PRESTOTIG 415DC

Page 1: ...IM3081 09 2021 REV06 PRESTOTIG 315DC 415DC OPERATOR S MANUAL ENGLISH Lincoln Electric Bester Sp z o o ul Jana III Sobieskiego 19A 58 260 Bielawa Poland...

Page 2: ...in the table below your equipment identification information Model Name Code Serial Number can be found on the machine rating plate Model Name Code Serial number Date Where Purchased ENGLISH INDEX Tec...

Page 3: ...on a 10 min period Output Current Output Voltage 315DC 100 Stick 200A 28 0Vdc 100 TIG 220A 18 8Vdc 60 Stick 250A 30Vdc 60 TIG 250A 20Vdc 40 Stick 270A 30 8Vdc 40 TIG 300A 22 0Vdc 415DC 100 Stick 280A...

Page 4: ...dition Presence MIG mode TIG mode X STICK mode X After 30 minutes of non working X Fan off X The value of efficiency and consumption in idle state have been measured by method and conditions defined i...

Page 5: ...process gas usage depends on cross sectional area of the nozzle For commonly used torches Helium 14 24 l min Argon 7 16 l min Notice Excessive flow rates causes turbulence in the gas stream which may...

Page 6: ...o and or television transmitters and receivers Computers or computer controlled equipment Safety and control equipment for industrial processes Equipment for calibration and measurement Personal medic...

Page 7: ...electrical regulations ELECTRICALLY POWERED EQUIPMENT Regularly inspect the input electrode and work clamp cables If any insulation damage exists replace the cable immediately Do not place the electr...

Page 8: ...ect 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...

Page 9: ...ical Specification section of this manual The machines are designed to operate on engine driven generators as long as the auxiliary can supply adequate voltage frequency and power as indicated in the...

Page 10: ...and understand the Instruction Manual supplied with the cooling unit Remote Control Connection Refer to the accessories section for a list of remote controls If a remote control is used it will be co...

Page 11: ...mptrol or Pedal are allowed trigger is ignored Connecting the Remote command excludes the Output Current Knob of the Machine s user interface Through the Remote command is available the full Output Cu...

Page 12: ...and LEDs will revert to the default state where the Output Current knob sets the output current Memory Pushbuttons These pusbuttons allows to store M or recall M TIG welding programs 10 memory record...

Page 13: ...w level when the operator makes an error and sticks the electrode to the work piece This decrease in current allows the operator to remove the electrode from the electrode holder without creating larg...

Page 14: ...the TIG arc will remain on for 3 seconds if the arc is not started in this time limit the trigger sequence must be restarted The HF arc start strength can be adjusted in the setup menu by changing th...

Page 15: ...Downslope is activated In Stick welding mode this is not used 6 CRATER This function controls the final current value after the Downslope For an explanation of the Crater operation refer to the trigg...

Page 16: ...e TIG torch trigger When the Crater current is reached the output of the machine is turned OFF 4 Step Trigger Sequence To select 4 Step sequence Action Visualization Press several times until the LED...

Page 17: ...d OFF the postflow time will start As shown here after the TIG torch trigger is quickly pressed and released from step 3A it is possible to press and hold the TIG torch trigger another time to end the...

Page 18: ...te FOOT or AMP device is present depending on welding process selected the UP DOWN behavior is different SMAW In SMAW welding mode the remote device set the amperage setting in the whole range bypassi...

Page 19: ...ut of range LED is blinking Indicates that an Input Voltage Overrange protection is active the Machine restarts automatically when the Input Voltage returns in the correct range 06 Inverter voltage lo...

Page 20: ...n purchasers may ask Lincoln Electric for advice or information about their use of our products We respond to our customers based on the best information in our possession at that time Lincoln Electri...

Page 21: ...300Hz Duty 50 315DC f 200Hz Duty 50 415DC Current selected value Frequency f 0 1Hz 0 1 10Hz step 0 1Hz 10 300Hz step 1Hz 300 500Hz step 10Hz Current selected value Hz Background 30 10 90 step 1 Curren...

Page 22: ...r 2 step No restart function enabled Preflow time 0s Upslope time 0s Downslope time 0s Postflow time 0s 5 300A 315DC 5 400A 415DC Voltage at output studs Current selected value A TIG SPOT FIXED TIME t...

Page 23: ...in this printing First read the Part List reading instructions above then refer to the Spare Part manual supplied with the machine that contains a picture descriptive part number cross reference REACh...

Page 24: ...4m W000278404 2 315DC 415DC PROTIG NGS 35W EB C5B 5M W000278404 2 315DC 415DC PROTIG NGS 35W EB C5B 8M W000278400 2 315DC 415DC PROTIG NGS 40 EB C5B 5M W000278401 2 315DC 415DC PROTIG NGS 40 EB C5B 8...

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