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E-2
PROBLEMS
(SYMPTOMS)
Input circuit breaker trips repeated.
No Status indicators light and the fan
does not operate 5 seconds after the
power switch is turned on.
No Status indicators light 5 seconds
after the power switch is turned on,
but the fan operates.
The Thermal LED does not go out.
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.
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
POSSIBLE AREAS OF
MISADJUSTMENTS(S)
1. This may be normal. If output is
set to maximum a 30 amp circuit
is required. See Technical
Specification page.
2. Install a larger input circuit or turn
the output control to a lower
amperage.
1. Check the input power to be sure
it is on.
2. Check the power line fuses and
machine connection.
3. Disconnect input power at fuse
panel and check line switch conti-
nuity. Replace line switch if bad.
4. Check the fuses on the input
board.
1. Disconnect input power from the
machine. Check that connectors
on harness between Control Bd.
and Power Bd. are properly seat-
ed.
2. Possible faulty Control Board.
3. Possible faulty Power Board.
1. Check consumables - The safety
light lights when an unsafe condi-
tion exists either at the torch or
somewhere else within the sys-
tem.
2. Possible faulty Power board.
3. Possible faulty Control board.
PRO-CUT 25
If all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized
Field Service Facility.
CAUTION
RECOMMENDED
COURSE OF ACTION
E-2
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