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E-5
TROUBLESHOOTING
E-5
POWER FEED 11
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE CAUSE
RECOMMENDED
COURSE OF ACTION
7. No wire feed, solenoid, or arc
voltage. Status LEDs are solid
green.
8. No control of wire feed.
All status lights are solid green.
Preset WFS is adjustable on Control
Box
9. Wire feed motor turns and sole-
noid operates, but no arc voltage
is present. Status light is solid
green on Control Box.
a. Faulty gun trigger switch. The gun
trigger switch or circuit may be
faulty. Check or Replace.
a. Defective motor tach or control
PC board, or harness. Check for
loose or faulty connections on
motor tach. See Wiring Diagram.
a. Power source is unable to
respond due to thermal or other
type of shut down mode.
b. Power source is defective. See
Power Source LED Status Light
Chart.
If all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized
Field Service Facility.