Lincoln Electric IM589 INVERTEC V250-S - Manual (Page 21)

E-2 TROUBLESHOOTING & REPAIR E-2
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 but the fan operates nor-
mally. 1. The mode switch must be in one
of the SMAW modes or if in the
GTAW mode the remote trigger
circuit must be activated.
2. The Local/Remote switch (S3)
must be in the LOCAL position
unless a remote control device is
attached to the remote
receptacle.
3. If the machine has not been used
for a long time and is connected
for 380 VAC or higher, the
capacitors may need “condition-
ing”. See
Input Filter Capacitor
Conditioning.
4. The machine may be overheated.
Check the thermal indicator light.
Wait for the machine to cool and
the thermostats to reset.
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