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W8300009 02/2004

Rev. 0

V270 & V405 CONTROL P.C. BOARD

Part number: W05X0483R

WARNING Be sure that only qualified individuals perform all installation, operation, maintenance and repair procedures. Lincoln Electric is not responsible for damages caused by improper installation, improper care or abnormal operation. Before opening or disassembling any parts of the product, the power must be turned OFF and the product must be disconnected from the input power source. Only Lincoln trained service technicians are authorized to perform these modifications.

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Control P.C. board DIP-SWITCH setup: Read in the appropriate row of the table below the type and the code number written on the rating plate of your machine. The 2nd and the

3rd columns shows the SW1 and SW2 dip-switch setup for each machine type.

Dip-switch SW1

Dip-switch SW2

Machine: 1 2 3 4 5 6 7 8 1 2 3 4

V270-S CE Part number: WF200285 Code: NO CODE, 52014

ON Off Off ON Off Off Off Off ON ON ON Off

V270-T CE Part number: WF200286 Code: NO CODE, 52015

Off Off Off ON Off Off Off Off ON ON ON Off

V270-S AUS Part number: K12002-1 Code: 52005, 52016

ON Off Off ON ON Off Off Off ON ON ON Off

V270-T AUS Part number: K12003-1 Code: 52006, 52017

Off Off Off ON ON Off Off Off ON ON ON Off

V270-S 2V CE Part number: K12004-1 Code: 52007

ON Off Off ON Off Off Off Off ON ON ON Off

V270-T 2V CE Part number: K12005-1 Code: 52008

Off Off Off ON Off Off Off Off ON ON ON Off

V405-S CE Part number: K12000-1 Code: 52003, 52012

ON Off Off ON Off Off Off Off Off Off Off Off

V405-T CE Part number: K12001-1 Code: 52004, 52013

Off Off Off ON Off Off Off Off Off Off Off ON

Control P.C. board TRIMMER setup Verify that the input cord is disconnected from the main supply and the main switch set to OFF. Mount the board on the machine. The machine's output leads must not be connected. On the command panel, set the mode switch to Lift TIG and, if present, the V / A switch to A. Connect the machine to the main supply. Switch ON the machine. On command panel, rotate the Output potentiometer to maximum. On control board, adjust the TR36 trimmer in order to read on the display:

Trimmer TR36 For V270 and V270 2V (all types) For V405 (all types)

270A 400A

Switch OFF the machine and disconnect the input cord from the main supply. Seal the trimmer after calibration. Reassembly the command panel on the machine.

LINCOLN ELECTRIC ITALIA S.r.l Via Fratelli Canepa 8, 16010 Serr Ricc (GE), Italia

www.lincolnelectriceurope.com

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