Troubleshooting & repair, Caution – Lincoln Electric LN-9 SVM127-A User Manual
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TROUBLESHOOTING & REPAIR
F-18
F-18
LN-9 Wire Feeder
TROUBLESHOOTING GUIDE
Observe Safety Guidelines
detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
METER FUNCTION PROBLEMS
The SET and actual speed meter
readings match within a few IPM,
but both are in error.
1.
Contact your local Lincoln
Authorized Field Service
Facility.
1. Check to make sure the slotted
disc in the tach housing is
secure and aligned.
2. Perform the
3. The control board may be faulty.
Replace.
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
216-383-2531 or 1-800-833-9353.
SET speed and actual speed meter
readings do NOT match within a
few IPM. One or both readings
may be erratic.
1.
Contact your local Lincoln
Authorized Field Service
Facility.
1. Check the Volts - Speed meter
selector switch and the associ-
ated wiring. See the Wiring
Diagram.
2. Check the SET - Actual switch
and the associated wiring. See
the Wiring Diagram.
3. Perform the