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TROUBLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
The welding arc is variable or | 1. Check the welding cables for | |
“hunting”. |
| loose or faulty connections. |
| 2. | Make sure the wire feed speed, |
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| voltage, polarity and shielding |
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| gas are correct for the process |
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| being used. |
| 3. | Check for mechanical restric- |
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| tions in the wire feed path. |
| 4. | Make sure the welding power |
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| source is functioning properly. |
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Poor arc striking with sticking or | 1. | Make sure the wire feed speed, |
| voltage, polarity and shielding | |
ropy and narrow. |
| gas are correct for the process |
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| being used. |
| 2. | Make sure the welding power |
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| source is functioning properly. |
| 3. | Make certain the gas solenoid is |
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| operating properly and the gas |
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| flow rate is correct for the pro- |
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| cedure. |
| 4. | The welding gun may be faulty. |
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| Check for gas leaks or replace |
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| gun. |
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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 Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.