Linkoln Electric Magnum PRO 100SG Manuel De L'opérateur page 21

MAGNUM PRO 100SG
Observe all Safety Guidelines detailed throughout this manual
PROBLEM
(SYMPTOMS)
No wire feed occurs when
trigger is pulled
Sluggish wire feed when
trigger is pulled
Drive roll turns in reverse
direction.
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
POSSIBLE AREAS OF
MISADJUSTMENT(S)
1. Machine is switched off or unplugged.
2. Spool gun is out of wire.
3. Contact tip burnback.
4. Fully or partially blocked gun tube liner.
5. Bird nest.
6. Machine s toggle selector switch is not set
to spool gun mode.
7. Defective trigger. (contacts open)
8. Defective trigger circuit in gun.
9. Damaged spool gun motor.
10. No motor voltage or current from
machine.
11. Contact tip size too small for wire
diameter used.
1. Drive roll is worn or galled with aluminum. 1. Clean drive roll of all aluminum or replace drive roll.
2. Machine s wire feed speed setting is too
low.
3. Wire is obstructed somewhere along the
wire feed path in the gun.
4. Low motor voltage.
1. Motor leads are connected in reverse.
RECOMMENDED COURSE OF ACTION
1. Switch on or plug in machine.
2. Install full spool of specified wire.
3. Replace contact tip.
4. Remove and clean or replace gun tube liner. (See
maintenance section) check for proper wire
alignment and wire s mechanical resistance.
5. Cut out bird nest, reload wire, and check for proper
wire alignment and wire s mechanical resistance.
6. Flip switch to proper operating position
7. Replace trigger. (See maintenance section)
8. Disconnect gun from machine and check trigger
circuit for continuity.
9. Contact LASF for possible motor replacement.
10. See Troubleshooting section in welding machine s
instruction manual.
11. Replace contact tip with one that is the correct size.
2. Increase wire feed speed.
3. Check for obstructions: remove any wire shavings;
remove kinked wire; remove and clean or replace
gun tube liner (See Maintenance Section ).
4. See Troubleshooting section in welding machine s
instruction manual.
1. Connect properly. (See maintenance section)
F-2
TROUBLESHOOTING