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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 |
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| (SYMPTOMS) |
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| CAUSE |
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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 but shuts |
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| 1. | Wire spool friction brake adjust- |
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| off after a short time, and will feed |
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| ment set too tight. Check adjust- |
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| again for another short 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 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 FIELD SERVICE FACILITY for assistance before you proceed.
WELDMARK 135 PLUS
