|
| TROUBLESHOOTING |
|
|
| |||||||
|
|
| Observe Safety Guidelines detailed in the beginning of this manual. | |||||||||
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
| |||
|
| PROBLEMS | POSSIBLE | RECOMMENDED | ||||||||
|
| (SYMPTOMS) |
|
| CAUSE |
|
| COURSE OF ACTION |
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| FEEDING PROBLEMS |
|
|
|
|
|
|
| No wire feed when gun trigger is |
|
| 1. | If the wire drive motor is running |
|
|
|
|
| |
|
| pulled. Fan runs, gas flows and |
|
|
| check to see if the correct wire |
|
|
|
|
| |
|
| machine has correct open circuit |
|
|
| is in the machine. |
|
|
|
|
| |
|
| voltage (33 VDC maximum) – weld |
|
|
|
|
|
|
|
|
| |
|
| output. |
|
| 2. | If the wire drive motor is running |
|
|
|
|
| |
|
|
|
|
|
|
| make sure that the correct drive |
|
|
|
|
|
|
|
|
|
|
|
| rolls are installed in the |
|
| Contact your local Lincoln |
| |
|
|
|
|
|
|
| machine. |
|
| Authorized Field Service Facility. |
| |
|
|
|
|
|
| 3. | Check for clogged cable liner or |
|
|
|
|
|
|
|
|
|
|
|
| feeding problems. |
|
|
|
|
|
|
|
|
|
|
| 4. | Check brake adjustment (could |
|
|
|
|
|
|
|
|
|
|
|
| be too tight). |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
| Wire feed speed motor runs very |
|
| 1. | Make sure that the wire speed |
|
|
|
|
| |
|
| fast. Weld output, gas flow and fan |
|
|
| control is not set at maximum. |
|
|
|
|
| |
|
| operate normally. |
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| PROBLEMS |
|
| POSSIBLE AREAS OF |
|
| RECOMMENDED |
| |
| (SYMPTOMS) |
|
| MISADJUSTMENT(S) |
|
| COURSE OF ACTION |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| GAS FLOW PROBLEMS |
|
|
|
|
| Low or no gas flow when gun |
|
| 1. | Check gas supply, flow regulator |
|
|
|
|
| trigger is pulled. Wire feed, weld |
|
|
| and gas hoses. |
|
|
|
|
| output and fan operate normally. |
|
|
|
|
|
| Contact your local Lincoln |
|
|
|
|
| 2. | Check gun connection to |
|
| Authorized Field Service Facility. |
|
|
|
|
|
| machine for obstruction or leaky |
|
|
|
|
|
|
|
|
| seals. |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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.