| TROUBLESHOOTING |
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| Observe all Safety Guidelines detailed throughout this manual | ||||
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| PROBLEMS |
| POSSIBLE AREAS OF |
| RECOMMENDED |
| (SYMPTOMS) |
| MISADJUSTMENTS(S) |
| COURSE OF ACTION |
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| PROBLEMS |
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Output Control not functioning on the | 1. | Local/Remote switch is in | 1. | Move switch toggle to the "Local" | |
machine. |
| the "Remote" position. |
| position. | |
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| 2. | Faulty Voltage Adjust | 2. | Check and replace if found faulty. |
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| potentiometer. |
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| 3. | Check lead continuity and connec- |
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| 3. | Leads or connections open in |
| tions for an open and repair if neces- |
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| control circuit. |
| sary. |
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| 4. | Malfunctioning Remote Control. | 4. | See "Options Troubleshooting". |
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| 5. | Faulty Control PC board. | 5. | See PC Board Troubleshooting |
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| Procedure. |
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Poor arc striking with semiautomatic | 1. | Poor work connection. | 1. | Work connection must be adequate | |
wire feeders. |
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| for application. | |
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| 2. | Improper procedures. | 2. | Adjust procedures for improved start- |
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| ing. |
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| 3. | Wire feed acceleration too fast or | 3. | Adjust wire feeder acceleration set- |
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| too slow. |
| ting, if provided. |
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| 4. | Defective PC Board. | 4. | See PC Board Troubleshooting |
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| Procedure. |
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Poor arc characteristics | 1. | Control PC Board defective. | 1. | See PC Board Troubleshooting | |
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| Procedure. |
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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.