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FX650XL
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 LED 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
Lincoln Authorized Service Facility for technical troubleshooting assistance before you proceed.
WWW.LINCOLNELECTRIC.COM/LOCATOR
Observe all Safety Guidelines detailed throughout this manual
POSSIBLE
BASIC MACHINE PROBLEMS
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 LED 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 auto-
matically shuts off the fan 5 min-
utes after welding has stopped.
2. Welding output ratings may have been
exceeded. Allow the machine to cool down
and reset.
1. Check the 115/42V wire feeder switch
(located on the case front) to make sure it
is properly set for the input voltage
requirement of the wire feeder.
2. Check circuit breakers by the wire feeder
receptacles on the front of the machine.
Reset if required.
3. Check the control cable between the power
source and the wire feeder for continuity.
CAUSE
E-2
TROUBLESHOOTING
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas of misad-
justment have been checked and the problem
persists, Contact your local Lincoln
Authorized Field Service Facility.
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