20 Most Recent Lincoln Electric K1297 AC/DC 225/125 Stick Welder - Page 5 Questions & Answers

check the ground wire and clamp and connections back to the control or transformer

Your welder has a 20% duty cycle at 90 amps and 19.5v. This means you can weld for 2 minutes in every 10 minutes. It is normal for it to shut down if you exceed this welding time.

check ground wire and connections to the job

Check the trigger and the associated wiring back to the machine.

Check movement of the governor arm without it running. You should be able to move it by hand. If it is stuck, it could be the idle solenoid, or possibly something else more major.

indicates that the liner has a groove worn in it and the wire is jamming in that groove replace the liner from the drive wheel to the nozzle

If the cooling fan motor comes on and the the machine “clicks” when you close the trigger, use your index finger and push in on the on/off switch, if the feed motor turns replace the on/off switch

not diode problem,check enternal wiring and relay for feed motor.

Try innovat. http://www.innovatcorp.com/2017_pc_board_repair_price_list

Checking the stator can get quite complicated. You will probably need to contact a service rep. http://www.lincolnelectric.com/assets/servicenavigator-public/lincoln3/im921.pdf

Check rectifier. http://www.lincolnelectric.com/assets/servicenavigator-public/lincoln3/im10017.pdf

Check brushes. http://www.lincolnelectric.com/assets/servicenavigator-public/lincoln3/im10017.pdf

Sounds like control board. Check page 32 in manual http://www.lincolnelectric.com/assets/servicenavigator-public/lincoln3/im794.pdf

Here is the manual. Sometimes the brushes in the motor go bad. Try tapping on the motor. http://www.lincolnelectric.com/assets/servicenavigator-public/lincoln3/im477.pdf

Here ya go. https://www.lincolnelectric.com/assets/servicenavigator-public/lincoln3/IM568.pdf

Most likely thing is the brushes are bad on the armature of the generator part of the welder

Good evening Darrell, check that all your connections are correct and tight,and that the polarity is proper.do you have the right amperage from your fuse box. Good luck Jeff

depends on the material thickness and wire in use for the welding there are plenty of books and u-tube videos to help with getting the correct wire feed settings and voltage and current settings It all comes down to operators experience and ability to use the welder correctly

welding aluminium requires a bigger current draw that with steel and to weld aluminium it is a dc current requirement what you are seeing as a pulse may be the unit going into overload

www.lincolnelectric.com/en-us/support/Pages/operator-manuals.aspx Try this link