Lincoln Electric 10156 Continuity Good Open, Engine Will Not Pick Up Speed When Arc is Struck

E-3	TROUBLESHOOTING	E-3
	ELECTRONIC IDLER TROUBLESHOOTING GUIDE

Engine Will Not Return to Idle in Approximately 15 Seconds

Set Idler Control Switch

to the Auto Position

Check Continuity of Idler

Control Switch

	Continuity Good	Open
1.	Reed Switch in Weld Circuit May be	Replace Switch
	Closed.

2.Check Continuity of Idler Solenoid Coil (8.5 - 9.0 ohms) & Leads.

3.Check Ground Connections in Idle Circuit.

4.Replace P.C. Board.

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.

Engine Picks Up Speed		Engine Does Not Pick
1.	Check for Break in	Up Speed
	Red Lead and Repair	Replace P.C. Board
2.	Replace Reed Switch
	in Weld Circuit.

The Auxiliary Power is Loaded

Power Load Too Small

Try Load Above 150 Watts

Engine Does Not Pick Up Speed

Check Connections and Continuity of

Current Transformer.

Replace 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.

CLASSIC III AND IIID