Lincoln Electric IM514-A manual Electronic Idler Troubleshooting Guide

E-6 TROUBLESHOOTING E-6

ELECTRONIC IDLER TROUBLESHOOTING GUIDE

Engine Will Not Return to Idle in Approximately 15 Seconds

Set Idler Control Switch

to the Auto Position

Check to See Whether Oil Pressure

Light is On and Alternator is Charging

Light Off	Light On
If Oil Light is O.K., Replace Oil	Check Continuity of Idler
Pressure Switch	Control Switch

	Continuity Good	Open
1.	Reed switch in weld circuit	Replace Switch
	may be stuck closed.
2.	Check continuity of idler
	solenoid coil (25 ohms).
3.	Replace P.C. Board.

		Engine Will Not Pick Up Speed When:
	The Arc is Struck		The Auxiliary Power Load is Turned On
	Reed Switch	in Weld Circuit	Power Load	Too Small
	Defective -- Will Not Close		Try Load Above 150 Watts
		the Red Lead	Engine Does Not	Pick Up Speed
	To Check: Short
	on P.C. Board to Welder Frame.		Check Connections and Continuity of
			Current Transformer.
			Replace P.C. Board
Engine Picks Up Speed		Engine Does Not Pick
When Arc is Struck		Up Speed
1. Replace Reed Switch		Replace P.C. Board
in Weld Circuit.

CLASSIC I

LINCOLN ®

ELECTRIC