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TROUBLESHOOTING & REPAIR |
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TROUBLESHOOTING GUIDE |
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| Observe Safety Guidelines | ||
| detailed in the beginning of this manual. | ||||
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PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED |
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(SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION |
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| ENGINE PROBLEMS |
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The engine will not go to high idle | 1. Make sure the welding cables | 1. | Check the | Current Sensing | |
when attempting to weld or when | and auxiliary power lead con- |
| Toroid leads for loose or faulty | ||
the auxiliary power is loaded. | nections are tight. |
| connections. | See the | Wiring |
Welding output and auxiliary power |
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| Diagram. |
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outputs are normal when IDLER |
| 2. | The Current | Sensing | Toroid |
switch is in the " HIGH" position. |
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| may be faulty. |
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| 3. | The Control Board may be | ||
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| faulty. |
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The machine goes to low idle but | 1. Make sure there is NOT an | 1. | The idler solenoid linkage may | ||
does not stay at low idle. | external load (auxiliary or weld) |
| be misadjusted or damaged. | ||
| connected to the Ranger 250. | 2. | The idler solenoid lead connec- | ||
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| tions (#210C and #215) may be | ||
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| loose or damaged. |
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| 3. | Perform the | Idler Solenoid | |
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| Test. |
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| 4. | The Control Board may be | ||
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| faulty. |
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CAUTION
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
