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

Page 77

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TROUBLESHOOTING & REPAIR

F-17

F-17

POWER WAVE 450

TROUBLESHOOTING GUIDE

Observe Safety Guidelines

detailed in the beginning of this manual.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con-
tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call 1-
800-833-9353.

PROBLEMS
(SYMPTOMS)

POSSIBLE AREAS OF
MISADJUSTMENT(S)

RECOMMENDED
COURSE OF ACTION

FUNCTION PROBLEMS

Foreign characters are shown on
the Power Wave display.

Contact your local Lincoln
Authorized Field Service Facility.

1. Make sure molex plug J19 is

plugged into the Display board
securely and the pins are
secure in the plug body.

2. The display board may be

faulty. Replace and perform
voltage calibration.