Return to Master TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
TROUBLESHOOTING AND REPAIR |
POWER FEED
Observe all Safety Guidelines detailed throughout this manual.
PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED | |
(SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION | |
|
|
| |
FUNCTION PROBLEMS (Continued) | |||
|
|
|
|
When the gun trigger is activated, | 1. | Check plug J3 on the wire drive | 1. Perform the Drive Motor Test. |
the drive rolls do not turn. The arc |
| control board, and leads #550 |
|
voltage is present and the solenoid |
| and #551 for loose or faulty con- | 2. The wire drive control board |
is energized. The STATUS LEDs |
| nections. See wiring diagram. | may be faulty. |
are steady green. |
|
|
|
|
|
|
|
The wire is feeding rough or not | 1. | The drive roll pressure may be | 1. Contact the Lincoln Electric |
feeding, but the drive rolls are |
| incorrect. Set drive roll pres- | Service Department, |
turning. |
| sure. See Operation section in | 2531 or |
|
| this manual. | (WELD). |
| 2. | Check for dirty or rusty elec- |
|
|
| trode wire. |
|
| 3. | Make sure the drive rolls and |
|
|
| wire guides are positioned and |
|
|
| installed correctly. See Opera- |
|
|
| tion section of this manual. |
|
| 4. | Check for mechanical restric- |
|
|
| tions in the wire feeding path. |
|
|
|
|
|
When in CC modes with the | 1. | Rotate Volts/Trim encoder knob | 1. Check option panel installation |
optional “MX” or “MSP” panels, the | at least 45° clockwise. This is | for loose or faulty connections. | |
output does not energize. |
| normal. See Accessories sec- |
|
|
| tion for detailed operation. |
|
|
|
|
|
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call
