Lincoln Electric IM490 INVERTEC V250-S - Manual (Page 25)

E-5 TROUBLESHOOTING & REPAIR E-5
INVERTEC V250-S
Observe all Safety Guidelines detailed throughout this manual
OUTPUT PROBLEMS
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
No output - Main input fuses open,
indicating excessive current draw.
The machine operates normally
when connected for 200 - 230VAC
input. There is no output when the
machine is connected to 380VAC or
higher.
1. Inspect input leads for possible
shorts or grounds or mis-connec-
tions.
2. Install new fuses and reapply
power. If fuses open again, con-
sult a Lincoln Authorized Field
Service Facility.
1. Check the input voltage and input
voltage reconnect procedures.
See
Installation Section of this
manual.
If all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized Field
Service Facility.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con-
tact your local authorized field service facility for technical troubleshooting assistance before you proceed.
CAUTION