Lincoln Electric IM10020 manual Your local Lincoln Authorized, Field Service Facility

E-4	TROUBLESHOOTING	E-4
	Observe all Safety Guidelines detailed throughout this manual

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

When the trigger is pulled air begins 1. Check the torch consumables to be
to flow, but there is no pilot arc after	sure they are not dirty or greasy,
at least 3 seconds.	and are in good shape. Replace
	the consumables if necessary.

2.Make sure the air pressure is set correctly.

3.Make sure there are no kinks or restrictions for air flow in the torch cable. Replace cable as needed.

4.If a slight thump cannot be felt in the torch when the trigger is pulled, check for loose connection in the torch head.

5.Possible faulty Inverter board.

The air begins to flow and there is a 1.		Check the torch consumables to
very brief arc that snaps out consis-		be sure they are in tight, not dirty
tently with repeated trigger pulls.		or greasy and in good shape.
		Replace if necessary.	If all recommended possible areas of
			misadjustment have been checked
	2.	Make sure the air pressure is set and the problem persists, Contact
		correctly.	your local Lincoln Authorized
			Field Service Facility.
	3.	Possible faulty Inverter board.
The arc starts but sputters badly.	1.	Check the torch consumables to
		be sure they are in tight, not dirty
		or greasy and in good shape.
		Replace if necessary.
	2.	Check air supply for oil or a great
		deal of water. If there is oil or a
		great deal of water, the air must
		be filtered or the machine
		switched to nitrogen or bottled air.
	3.	Make sure the air pressure is set
		correctly.

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.

TOMAHAWK™ 625