Return to Master TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
TROUBLESHOOTING AND REPAIR |
TROUBLESHOOTING GUIDE
POWER WAVE
Observe all Safety Guidelines detailed throughout this manual.
PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED | ||
(SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION | ||
|
|
|
|
|
|
| OUTPUT PROBLEMS |
|
|
|
|
|
|
|
Major physical or electrical dam- | 1. | Contact your local authorized | 1. | Contact the Lincoln Electric |
age is evident when the sheet |
| Lincoln Electric Field Service |
| Service Department, |
metal cover(s) are removed. |
| Facility for technical assistance. |
| 2531 or |
|
|
|
| (WELD). |
|
|
|
|
|
The machine is dead | 1. | Make certain the input power | 1. | Check the input power switch |
no fan |
| switch SW1 is in the ON posi- |
| (SW1) for proper operation. |
|
| tion. |
| Also check the associated leads |
|
|
|
| for loose or faulty connections. |
| 2. | Check the main input fuses. If |
| See wiring diagram. |
|
| open, replace. |
|
|
|
|
| 2. | Check CB4 for proper operation. |
| 3. | Check the 6 amp circuit breaker |
|
|
|
| (CB4). Reset if tripped. | 3. | Perform the T1 Auxiliary |
|
|
|
| Transformer Test. |
| 4. | Make certain the reconnect |
|
|
|
| panel is configured correctly for | 4. | Perform the Power Board Test. |
|
| the applied input voltage. |
|
|
|
|
|
|
|
The main input fuses (or breaker) | 1. | Make certain the fuses or break- | 1. | Check the reconnect switches |
repeatedly fail. |
| ers are properly sized. |
| and associated wiring. See |
|
|
|
| wiring diagram. |
| 2. | Make certain the reconnect |
|
|
|
| panel is configured properly for | 2. | Perform the Input Rectifier |
|
| the applied input voltage. |
| Test. |
| 3. | The welding procedure may be | 3. | Perform the Switch Board |
|
| drawing too much input current |
| Test. |
|
| or the duty cycle may be too |
|
|
|
| high. Reduce the welding cur- |
|
|
|
| rent and/or reduce the duty |
|
|
|
| cycle. |
|
|
|
|
|
|
|
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
