TROUBLESHOOTING | ||
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| ELECTRONIC IDLER TROUBLESHOOTING GUIDE |
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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. |
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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 |
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| Red Lead and Repair | Replace P.C. Board |
2. | Replace Reed Switch |
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| in Weld Circuit. |
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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