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FLEXTEC™ 500
PROBLEMS
(SYMPTOMS)
Major physical or electrical damage
is evident when the sheet metal
covers are removed.
Machine won't weld, can't get any
output.
Thermal symbol is lit
Wire feeder won't work. Apparently
no power to wire feeder
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.
Observe all Safety Guidelines detailed throughout this manual
POSSIBLE
CAUSE
1. Contact your local authorized
Lincoln Electric Field Service facility
for technical assistance.
1. If the displays show an Err ###
see the fault section for corrective
action.
2 If the thermal symbol is lit refer to
the thermal section.
3 If the output terminals are in
remote control switch to "ON" and
check for output voltage. If output
voltage is now present check for
correct remote control connection
and operation.
1. Check for proper fan operation.
- Check for material blocking intake or
exhaust louvers.
- Blow air in the rear louvers to
clear dirt from the fan.
Note: The Fan As Needed circuitry
automatically shuts off the fan 5 minutes
after welding has stopped.
2. Welding output ratings may have been
exceeded. Allow the machine to cool
down and reset.
1. Check the 42V or ArcLink connectors
on the case front of the machine to make
sure it is properly connected.
2. Check circuit breakers by the wire
feeder receptacles on the case front of
the machine. Reset if necessary.
3. Check the control cable between
the power source and the wire
feeder for continuity.
1. If all recommended possible areas of
mis-adjustment have been checked and
the problem persists, Contact your local
Lincoln Authorized Field Service
Facility.
CAUTION
F-3
TROUBLE SHOOTING
RECOMMENDED
COURSE OF ACTION
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