TROUBLESHOOTING | ||
Observe all Safety Guidelines detailed throughout this manual | ||
PROBLEMS | POSSIBLE | RECOMMENDED |
(SYMPTOMS) | CAUSE | COURSE OF ACTION |
OUTPUT PROBLEMS
| Machine is Dead | 1. | Make certain that the input power | |
| Fan |
| switch is in the “ON” position and | |
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| machine is plugged in. | |
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| 2. | Check the input voltage at the | |
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| machine. Input voltage must | |
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| match the rating plate and volt- | |
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| age connection. Refer to | |
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| Reconnect Procedure in the | |
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| Installation section of this manual. | |
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| 3. | Blown or missing fuses in input | |
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| line. | |
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| Fan runs normally at power up - No | 1. | Check for proper input voltages | |
| output from machine in either Stick |
| per nameplate and voltage recon- | |
| or TIG modes. |
| nection. | |
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| 2. | Check to make sure polarity | |
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| switch is not in between two posi- | |
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| tions. | |
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| Fan runs - No output from machine | 1. | Welding application may have | |
| in either Stick or TIG modes and the |
| exceed the recommended duty | |
| yellow light on the control panel is |
| cycle. Allow the unit to run until | |
| on. |
| the fan cools the unit and the yel- | |
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| low light goes out. | |
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| Machine does not respond (no gas | 1. Machine MUST be in the TIG | ||
| flow, no high frequency and no open |
| Mode. | |
| circuit voltage) when arc start switch | 2. | The Amptrol may be defective. | |
| or Amptrol is activated - fan is work- |
| Check for continuity between pins | |
| ing. |
| “D” and “E” on cable connector | |
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| when Amptrol is depressed. | |
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If all recommended possible areas of misadjustment have been checked and the problem persists,
Contact your local Lincoln Authorized Field Service Facility.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your