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| TROUBLESHOOTING | |
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Observe Safety Guidelines
detailed in the beginning of this manual.
TROUBLESHOOTING GUIDE
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| PROBLEMS |
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| POSSIBLE AREAS OF |
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| (SYMPTOMS) |
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| MISADJUSTMENT(S) |
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| FEEDING PROBLEMS |
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| No wire feed when gun trigger is |
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| 1. | If the wire drive motor is running |
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| pulled. Fan runs, gas flows and |
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| check to see if the correct wire |
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| machine has correct open circuit |
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| is in the machine. |
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| voltage (28 vdc maximum) – weld |
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| output. |
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| 2. | If the wire drive motor is running |
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| make sure that the correct drive |
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| rolls are installed in the |
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| machine. |
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| 3. | Check for clogged cable liner or |
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| feeding problems. |
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| Wire feed speed motor runs very |
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| 1. | Make sure that the wire speed |
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| fast. Weld output, gas flow and fan |
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| control is not set at maximum. |
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| operate normally. |
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| The wire begins to feed butshuts off |
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| 1. | Wire spool friction brake adjust- |
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| after a short time, and will feed |
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| ment set too tight. Check adjust- |
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| again for anothershort interval only |
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| ment of the wire spool friction |
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| if the trigger is released and |
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| brake. See "Friction Brake |
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| pressed again. (See description |
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| Adjustment" in the "OPERA- |
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| under wire feed overload protec- |
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| TION" section of this manual. |
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| tion). |
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| 2. | Idle roll pressure adjustment set |
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| too high. Check adjustment of |
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| the idle roll pressure. See "Wire |
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| Threading" in The "OPERA- |
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| TION" section of this manual. |
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| 3. | Damaged or poorly maintained |
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| wire feed system. |
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| 1. | Check for clogged or damaged |
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| cable liner, contact tip, and guide |
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| tubes. Replace any damaged or |
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| excessively worn parts. |
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| 2. Perform "ROUTINE AND |
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| PERIODIC MAINTENANCE" as |
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| described in this manual. |
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RECOMMENDED COURSE OF ACTION
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 AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed.
