Python 232-835 Manual Do Utilizador

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Python
® 
Lincoln Compatible
 Owner's Manual - Page 7
Section e           troubleshooting
trouble
Cause
Remedy
No wire feed at gun, 
feeder not operating, 
i.e. no slave motor 
or brake solenoid.
115/42 VAC Control fuse in 
feeder/Control box blown.
Replace fuse.
Micro-switch defective/not 
being activated.
Replace switch. Check 
switch for operation.
Broken electrical cable.
Check micro-switch 
wires for continuity.
No wire feed at gun, 
feeder operating 
properly.
24 VAC Control fuse in 
feeder/Control box blown.
Check motor leads for 
shorts; then replace 
fuse.
Bad potentiometer.
Check potentiometer 
with meter.
Broken Electrical Cable.
Check motor and 
potentiometer wires for 
continuity.
Bad Speed control/PCB
See specific cabinet/
control box owners 
manual for speed 
control operation.
Wire feeds, but 
welding wire is not 
energized.
Loose or no cable 
connections.
Check all power 
connections.
Contactor control cable 
loose or in wrong position.
Check power supply 
owners manual for 
location and type 
of contactor signal 
required.
Welding power source.
Check power source.
Wire feeds 
erratically.
Dirty or worn conduit.
Blow out or replace 
conduit.
Wrong size contact tip.
See Contact tip table.
Idler roll stuck.
Check for lock washer 
under idler roll, or 
replace if damaged. 
Wire feeds one 
speed only.
Bad potentiometer.
Check with meter.
Broken electrical cable.
Check potentiometer 
wires for continuity or 
short.
Bad speed control.
See specific cabinet/
control owners manual 
for speed control 
operation.
Wire walks out of 
drive rolls.
Idler roll upside-down.
Place groove in idler 
roll toward top.
Rear wire guide missing.
Replace wire guide.