Lincoln Electric PCT125M manual Function Problems

D-2		TROUBLESHOOTING		D-2
	Observe all Safety Guidelines detailed throughout this manual
	PROBLEMS	POSSIBLE CAUSE	RECOMMENDED
	(SYMPTOMS)		COURSE OF ACTION

FUNCTION PROBLEMS

The torch does not start when the trigger is pulled

a.Blown fuse

b.Electrode or nozzle missing

c.Torch misconnected

d. Cable damaged

e.Torch connections assembled improperly or shorted

f.Pro-Cut inoperative

a.Make sure all three phases are present and the Pro-Cut is reconnected for the proper volt- age.

b.Properly assemble an electrode, swirl ring, nozzle and shield cup on the torch.

c.Make sure the pilot lead from the torch cable is connected to the pilot stud inside the Pro-Cut. Verify that the fitting at the end of the gas tube is connected to the bulkhead union inside the Pro-Cut.

d.Examine the cable for cuts or punctures. Make sure there is continuity from the nozzle at the torch head to the ring lug at the end of the pilot lead at the machine end of the cable. Make sure there is continuity from the electrode at the torch head to the fitting at the end of the gas tube at the machine end of the cable. replace any dam- aged cable.

e.Remove the handles (or barrel) of the torch and examine all the connections. Pay attention to lugs crimped on insulation, bro- ken leads.

f.Refer to the troubleshooting guide for the Pro-Cut 125.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

PLASMA TORCH