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13 | TROUBLESHOOTING | 13 |
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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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OUTPUT PROBLEMS
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Machine is Dead - | 1. | Make certain that the input |
No Output - No Fan |
| power switch is in the “ON” |
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| position and machine is plugged in. |
| 2. Check the input voltage at the | |
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| machine. Input voltage must |
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| match the rating plate and voltage |
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| connection. Refer to Reconnect |
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| Procedure in the Installation sec- |
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| tion of this manual. |
| 3. | Blown or missing fuses in |
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| input line. |
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Fan runs - No output from machine | 1. | Check for proper input voltages |
in either Stick or TIG modes. |
| per nameplate and voltage |
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| reconnection. |
| 2. | Check to make sure polarity |
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| switch is not in between two |
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| positions. |
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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 |
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| yellow light goes out. |
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Machine does not respond (no gas | 1. | Machine MUST be in |
flow, no high frequency and no open |
| the TIG Mode. |
circuit voltage) when arc start switch |
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or Amptrol is activated - fan is work- | 2. | The Amptrol may be defective. |
ing. |
| Check for continuity between |
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| pins “D” and “E” on cable con- |
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| nector when Amptrol is |
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| depressed. |
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Contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance.
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.