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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.