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Troubleshooting & repair – Lincoln Electric INVERTEC POWER WAVE 450 SVM112-B User Manual

Page 64

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TROUBLESHOOTING & REPAIR

F-4

F-4

POWER WAVE 450

PC BOARD REPLACEMENT

CALIBRATION REQUIREMENTS

DISPLAY

BOARD

REPLACED

IF POSSIBLE

QUICK

VOLTAGE

CALIBRATION

CURRENT

CALIBRATION

FULL

VOLTAGE

CALIBRATION

SNUBBER

BOARD

REPLACED

SHUNT

AMPLIFIER

BOARD

REPLACED

CONTROL

BOARD

REPLACED