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| TROUBLESHOOTING & REPAIR | |||||||||
| Observe Safety Guidelines |
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| TROUBLESHOOTING GUIDE |
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| 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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| OUTPUT PROBLEMS |
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| The machine is dead. No weld out- | 1. | Check the input voltage. The | 1. Check the input power switch, | ||||||
| put – no 115 VAC at the receptacle. |
| input voltage must match the rat- | reconnect panel and associated | ||||||
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| ing plate and the voltage con- | wires for loose or faulty connec- | |||||
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| nection. | Refer | to | Reconnect | tions. |
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| Procedure in | the | Installation | 2. The input power switch may be | |||
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| 2. | section of this manual. | faulty. |
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| Make sure that the input power | 3. Perform the T1 Transformer | ||||||
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| 3. | switch is in the “ON” position. | Test. |
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| Check for blown or missing |
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| 4. | fuses in the input lines. |
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| Check | circuit | breaker CB1. |
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| Reset if necessary. |
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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, con- tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
PRECISION TIG 275