
TROUBLESHOOTING | ||
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| ELECTRONIC IDLER TROUBLESHOOTING GUIDE |
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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
1.Check for Break in Red Lead and Repair
2.Replace Reed Switch in Weld Circuit.
Engine Does Not Pick Up
Speed
1.Check Continuity of Idler Solenoid Coil
2.Check for Jamming of the Idler Solenoid Mechanism.
3.Check Idler Circuit Wiring and Repair as Required.
4.Replace Idler P.C. Board.
1.Check Continuity of Idler Solenoid Coil
2.Check for Jamming of the Idler Solenoid Mechanism.
3.Check for Continuity of Current Transformer (Toroid). Replace as Required.
4.Check Idler Circuit Wiring and Repair as Required.
5.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.