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Troubleshooting Table
Symptoms
Circuit breaker in feeder/
No wire feed at
control box open.
gun, feeder not
Micro-switch defective/not
operating, i.e. no
being activated.
slave motor or
brake solenoid.
Broken electrical cable.
Circuit breaker in feeder/
control box open.
Bad potentiometer.
No wire feed
at gun, feeder
Broken electrical cable.
operating properly.
Bad speed control/PCB.
Loose or no cable
connections.
Wire feeds, but
Contactor control cable
welding wire is not
loose or in wrong
energized.
position.
Welding power source.
Dirty or worn conduit.
Wire feeds
Wrong size contact tip.
erratically.
Idler roll stuck.
Bad potentiometer.
Broken electrical cable.
Wire feeds one
speed only.
Bad speed control.
Idler roll upside-down.
Wire walks out of
drive rolls.
Rear wire guide missing.
Consult wire feeder and welding power supply owners manuals for further
problem solving solutions.
XR™ Python
Owner's Manual - Page 7
®
Cause
Reset.
Replace switch. Check
switch for operation.
Check micro-switch wires
for continuity.
Check motor leads for
short. Reset.
Check potentiometer with
meter.
Check motor and
potentiometer wires for
continuity.
See specific feeder/
control box owner's
manual for speed control
operation.
Check all power
connections.
Check power supply
owner's manual for
location and type of
contactor signal required.
Check power source.
Blow out or replace
conduit.
See contact tip table.
Check for lock washer
under idler roll, or replace
if damaged.
Check with meter.
Check potentiometer
wires for continuity or
short.
See specific feeder/
control owner's manual for
speed control operation.
Place groove in idler roll
toward top.
Replace wire guide.
Remedy