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TROUBLESHOOTING & REPAIR | ||
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Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS |
| POSSIBLE AREAS OF | RECOMMENDED |
(SYMPTOMS) |
| MISADJUSTMENT(S) | COURSE OF ACTION |
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| SPOOL GUN PROBLEMS |
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Low or no shielding gas flow. | 1. Out of gas. | 1. Check that an adequate gas | |
| 2. | Gas supply is turned off or | supply is available. |
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| disconnected. | 2. Check that all gas supply |
| 3. | Gas supply flow regulator is | valves are open. |
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| improperly set. | 3. Check that all gas flow is set |
| 4. | Machine’s gas solenoid valve | between 20 to 50 SCFH. |
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| has malfunctioned. | 4. See machine’s instruction |
| 5. | Blockage in gun along gas | manual. |
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| path. | 5. Gently blow out debris from |
| 6. | Gun cable kinked or flattened. | core tube. |
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| 7. | Blockage due to excessive | 6. Attempt to straighten out |
| cable, or replace cable. (See | ||
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| spatter accumulation on gas | |
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| Maintenance Section). | |
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| cone or gas diffuser. | |
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| 8. | Excessive gas leakage from | 7. Clean or replace gas cone or |
| gas diffuser. | ||
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| supply. | |
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| 9. | Gas leakage in gun between | 8. Find and repair all leaks. |
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| liner assembly and cable | 9. Replace liner assembly. (See |
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| connector. | Maintenance Section). |
| 10. Gas leakage at | 10. Damaged | |
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| connection. | both seals. Gun connector |
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| not fully inserted into |
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| machine. ( See Installation |
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| Section) |
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Spool Gun runs or begins | 1. Defective trigger. (contacts | 1. Replace trigger. (See | |
feeding wire without pulling the |
| closed). | Maintenance Section) |
gun trigger. | 2. | Defective (closed) trigger | 2. See machine’s instruction |
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| circuit in the welding machine. | manual. |
| 3. | Trigger lead(s) inside gun | 3. Damaged control leads |
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| cable are shorted together or | between machine’s P6 |
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| commonly shorted to either | connector and cable; repair if |
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| welding or motor circuits. | possible. Otherwise, replace |
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| gun cable. (See Maintenance |
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| Section) for both. |
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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 the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call