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
Output Problems
| The feeder does power up - no dis- | 1. | The work sense lead is discon- | 1. | Connect the work sense lead to | |
| play, no cold feed. |
| nected or is a poor electrical con- |
| the work in a location free of dirt, | |
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| nection. (Across the arc models) |
| rust and paint. | |
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| 2. | The power source is OFF. | 2. | Turn ON the power source. | |
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| 3. | The circuit breaker for the wire | 3. | Reset the circuit breakers. | |
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| feeder on power source have |
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| tripped. (control cable models) |
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| 4. | The control cable may be loose or | 4. | Tighten, repair or replace the con- | |
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| damaged. (control cable models) |
| trol cable. | |
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| The wire feeder power up but there | 1. | The contactor coil connections are | 1. | Verify the contactor coil connec- | |
| is no output when the trigger is |
| loose. |
| tions. | |
| pulled. The shielding gas is flowing | 2. | The contactor has failed. | 2. | Replace the contactor. | |
| and the drive rolls turn. |
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| No shielding gas. | 1. | The gas supply is OFF or empty. | 1. | Verify the gas supply is ON and | |
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| flowing. | |
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| 2. | The gas hose is cut or crushed | 2. | Route the gas hose so it avoids | |
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| sharp corners and make sure | |
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| nothing is on top of it. Repair or | |
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| replace damaged hoses. | |
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| 3. | The flow meter valve is closed. | 3. | Open the flow meter valve. | |
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| 4. | Dirt or debris is in the solenoid. | 4. | Apply filtered shop at 80psi to the | |
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| solenoid to remove dirt. | |
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| 5. | There is a loose solenoid connec- | 5. | Remove the cover and check that | |
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| tion. |
| all connections are in good condi- | |
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| tion. | |
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| 6. | The solenoid has failed. |
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| Inconsistent wire feeding or wire not | 1. | The gun cable is kinked and/or | 1. | Keep the gun cable as straight as | |
| feeding but drive rolls turning. |
| twisted |
| possible. Avoid sharp corners or | |
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| 2. | The wire is jammed in the gun and |
| bends in the cable. | |
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| 2. | Remove the gun from the wire | |||
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| cable. |
| feeder and pull the jammed wire | |
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| out of the gun and cable. | |
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| 3. | The gun liner is dirty or worn. | 3. | Blow dirt out of the liner with low | |
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| pressure (40psi or less). Replace | |
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| the liner if worn. | |
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| 4. | The electrode is rusty or dirty. | 4. | Use only clean electrode. Use | |
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| quality electrode, like | |
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| from Lincoln Electric. | |
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| 5. | The contact tip is partially melted | 5. | Replace the contact tip. | |
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| or has spatter. |
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| 6. | Improper gun liner, tip, drive rolls | 6. | Verify the proper parts are | |
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| and/or inner wire guide. |
| installed. | |
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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 your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
