Lincoln Electric SVM133-B Welder User Manual


 
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TROUBLESHOOTING & REPAIR
F-42 F-42
COMMANDER 400
STATIC SCR/DIODE RECTIFIER BRIDGE TEST (continued)
FIGURE F.13 CONTROL BOARD PLUG J6 LOCATION
PLUG J6
P e l 9 9 6
TEST PROCEDURE
1. Turn off the engine.
2. Disconnect the welding cables from the
welding output terminals.
3. Perform the Case Removal Procedure
(including front shroud removal).
4. Using the 5/16” nut driver, remove the control
board cover. See Figure F.13.
5. Locate and remove molex plug J6 from the
control board. See Figure F.13.