Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

F-43

TROUBLESHOOTING AND REPAIR

F-43

POWER BOARD TEST

WARNING

Service and repair should only be performed by Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in dan- ger to the technician or machine operator and will invalidate your factory warran- ty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

If for any reason you do not understand the test procedures or are unable to per- form the test/repairs safely, contact the Lincoln Electric service department for technical troubleshooting assistance before you proceed. Call 216-383-2531 or 1-800-833-9353(WELD).

------------------------------------------------------------------------------------------------

TEST DESCRIPTION

This test will help determine if the power board is receiving the correct voltages and also if the power board is regulating and producing the correct DC voltages.

This procedure takes approximately 20 minutes to perform.

MATERIALS NEEDED

3/8 in. nutdriver Volt-Ohmmeter Wiring diagram

POWER WAVE 455/POWER FEED 10

Page 107
Image 107
Lincoln Electric SVM135-B service manual Power Board Test, Test Description