Lincoln Electric SAE-300 manual Defective -- Will Not Close, Auxiliary Power Load is Turned on

E-4	TROubLEShOOTING	E-4
	ELECTRONIC IDLER TROubLEShOOTING GuIDE

With Idler Control Switch in the AuTO Position,

Engine Will Not Pick up Speed When:

The Arc is Struck

Reed Switch in Weld Circuit

Defective -- Will Not Close

To Check: Short the Red Lead on P.C. Board to Welder Frame.

The Auxiliary Power Load is Turned ON

Power Load Too Small

Try Load Above 150 Watts

Engine Does Not Pick up Speed

Engine Picks up Speed	Engine Does Not Pick up
		Speed
1. Check for Break in
Red Lead and Repair	1.	Check for Jamming of
		the Idler Solenoid
2. Replace Reed Switch		Mechanism, or broken
in Weld Circuit.		return spring.
	2.	Check Idler Circuit
		Wiring and Repair as
		Required.
	3.	Replace Idler P.C.
		Board.

1.Check for Jamming of the Idler Solenoid Mechanism, or broken return spring.

2.Check for Continuity of Current Transformer (Toroid). Replace as Required.

3.Check Idler Circuit Wiring and Repair as Required.

4.Replace Idler P.C. Board.

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.

SAE-300®