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| TROUBLESHOOTING |
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| Observe all Safety Guidelines detailed throughout this manual |
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| PROBLEMS |
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| RECOMMENDED |
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| (SYMPTOMS) |
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| CAUSE |
| COURSE OF ACTION |
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| ELECTRICAL |
| FAILURES |
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| Machine fails to come on |
| 1. | No Input Voltage. |
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| (LCD screen and LED display do 2. | Faulty supply plug or cable. |
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| not illuminate) | 3. | Internal fuse blown. |
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| Power output incorrect | 4. | Input voltage not within range |
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| 1. | Incorrect setting up of the welding |
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| 2. | parameters. |
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| No output current | Low mains supply voltage |
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| 1. | E01, E02, E03 DISPLAYED, and |
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| the yellow control panel LED on. |
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| • Equipment Overheat. Allow |
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| machine to cool. The power |
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| should remain on so the fan can |
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| maintain airflow and cool the |
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| 2. | machine |
| If all recommended possible areas of | ||
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| E38 DISPLAYED• Input supply |
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| 3. | voltage dipped low. |
| misadjustment have been checked | ||
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| E39, E40 DISPLAYED |
| and the problem persists, Contact | |||
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| • Input supply voltage out of range your local Lincoln Authorized |
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| or loss of phase . |
| Field Service Facility. |
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| 4. E14, E15, or E18 DISPLAYED |
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| • Internal memory errors. (Contact |
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| your local Lincoln Electric |
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| Authorized Service Facility.) |
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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.