| TROUBLESHOOTING |
| ||||
|
|
|
|
|
|
|
| Observe all Safety Guidelines detailed througout this manual | |||||
|
|
|
|
|
|
|
| PROBLEMS |
| POSSIBLE AREAS OF |
| RECOMMENDED |
|
| (SYMPTOMS) |
| MISADJUSTMENTS |
| COURSE OF ACTION |
|
|
|
| PROBLEMS |
|
|
|
Frequent occurrence of contact tip | 1. | Improper welding parameters or | 1. | See welding wire literature for |
| |
burnback. |
| technique (example: ESO is too |
| proper settings |
| |
|
|
| short). |
|
|
|
|
| 2. | Wire may be feeding intermittent- | 2. | See symptoms on intermittent or |
|
|
|
| ly. |
| sluggish wire feed |
|
|
|
|
|
|
| |
Poor weld bead appearance (porosi- | 1. | No gas flow. | 1. | See symptom “Low or no gas |
| |
ty or dull gray oxidized surface). |
|
|
| flow”. |
| |
|
| 2. | Low gas flow. | 2. | See symptom “Low or no gas |
|
|
|
|
|
| flow”. |
|
|
| 3. | Improper or contaminated shield- | 3. | Check that the gas supplyʼs label- |
|
|
|
| ing gas. |
| ing reads 100% argon. |
|
|
|
|
|
| Temporarily use alternate, known |
|
|
|
|
|
| gas supply and check for appear- |
|
|
|
|
|
| ance improvement. |
|
|
| 4. | Welding in a windy environment. | 4. Erect a wind shield or move to a |
| |
|
|
|
|
|
| |
|
| 5. | Improper electrode polarity. | 5. | Reconnect machineʼs welding |
|
|
|
|
|
| output to proper electrode polarity |
|
|
| 6. | Improper welding parameters or | 6. | See welding wire literature for |
|
|
|
| technique |
| proper settings |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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.
