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| TROUBLESHOOTING |
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| Observe all Safety Guidelines detailed throughout this manual |
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| PROBLEMS |
| POSSIBLE AREAS OF |
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| RECOMMENDED |
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| (SYMPTOMS) |
| MISADJUSTMENT(S) |
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| COURSE OF ACTION |
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| OUTPUT PROBLEMS |
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| Machine won’t weld, can’t get any | 1. Input voltage is too low or too |
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| output. (CR1 will not pull in.) |
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| high. Make certain that input |
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| voltage is proper, according to |
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| the Rating Plate located on the |
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| rear of the machine. |
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| 2. If the Thermal LED is also lit, |
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| see “Yellow Thermal LED is Lit” |
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| section. |
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| 3. Primary current limit has been |
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| exceeded. Possible short in out- |
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| put circuit. Turn machine off. |
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| Remove all loads from the out- |
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| put of the machine. Turn back |
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| on. If condition persists, turn |
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| power off, and contact an autho- |
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| rized | Lincoln | Electric | Field |
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| Service facility. |
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| 4. This problem will normally be |
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| accompanied by an error code. |
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| Error codes are displayed as a |
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| If all recommended possible areas |
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| series of red and green flashes by |
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| of misadjustments have been |
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| the | status | light. | See |
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| checked and the problem persists, |
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| "Troubleshooting the Power Wave |
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| contact your local Lincoln |
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| / Power Feed System Using the |
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| Status LED" section of this text. |
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| Authorized Field Service Facility. |
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| Machine often “noodle welds” (out- |
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| 1.Secondary current limit has been |
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| put is limited to approximately 100 |
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| exceeded, and the machine has |
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| amps) when running a particular |
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| phased back to protect itself. |
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| procedure, especially a procedure |
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| 2. Adjust procedure or reduce load |
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| with high WFS. |
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| to lower current draw from the |
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| machine. |
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| 3. A single phase input (loss of L2) |
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| will reduce the secondary cur- |
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| rent limit from 570 Amps to 325 |
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| Amps. |
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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, con- tact your local authorized Lincoln Electric Field Service Facility for technical assistance.
