TROUBLESHOOTING | ||
|
|
|
| Observe all Safety Guidelines detailed throughout this manual |
|
|
|
|
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Output Problems
Wire feed speed consistently oper- | 1. | The wire feeder gear setting is not | 1. | Verify the POWER | |
ates at the wrong value. |
| properly set. |
| software setting matches the gear | |
|
|
|
|
| mounted. See the Instruction |
|
|
|
|
| Manual for setting the gear speed. |
|
|
|
|
| |
Variable or "hunting" arc. | 1. | Wrong size, worn and/or melted | 1. Replace the contact tip. | ||
|
|
| contact tip. |
|
|
|
| 2. | Worn work cable or poor work | 2. | Verify all work and electrode con- |
|
|
| connection. |
| nections are tight and that the |
|
|
|
|
| cables are in good condition. |
|
|
|
|
| Clean/replace as necessary. |
|
| 3. | Wrong polarity. | 3. | Adjust polarity to the recommend- |
|
|
|
|
| ed procedure. |
|
| 4. | The gas nozzle is extended | 4. | Adjust the gas nozzle and shorten |
|
|
| beyond the contact tip or the wire |
| the stickout to 3/8 to 1/2 inches. |
|
|
| stickout is too long. |
|
|
|
| 5. | Poor gas shielding on processes | 5. | Check gas flow and mixture. |
|
|
| requiring gas. |
| Remove or block sources of |
|
|
|
|
| drafts. |
|
|
|
| ||
Poor arc starts with sticking or | 1. Improper procedures or tech- | 1. See "Gas Metal Arc Welding | |||
| niques. |
| Guide". | ||
and ropy looking bead. |
|
|
|
| |
|
|
|
| ||
The wire feed speed/amperage and | 1. The software in the POWER | 1. Contact the local authorized | |||
voltage/trim display work during pre- |
| FEED™ 25M must be upgraded. |
| Lincoln Field Service Shop. | |
set but show nothing during welding. |
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
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.
