Return to Master TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
TROUBLESHOOTING AND REPAIR |
POWER WAVE
Observe all Safety Guidelines detailed throughout this manual.
PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED | |
(SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION | |
|
|
|
|
OUTPUT PROBLEMS (Continued) |
| ||
|
|
|
|
The Power Wave has no output | 1. Turn the input power OFF | 1. | Perform the T1 Auxiliary |
the fan is running | immediately. |
| Transformer Test. |
sound may be heard coming from |
|
|
|
the machine. The main contactor | 2. Make certain the reconnect | 2. | Perform the Main Contactor |
CR1 is not “pulling in”. If the | panel is configured correctly for |
| Test. |
STATUS LED is not steady green, | the applied input voltage. |
|
|
see LED Code Table. |
| 3. | Perform the Input Rectifier |
| 3. If the machine is connected for |
| Test. |
| 380 VAC or higher and has not |
|
|
| been used for a long period of | 4. | Perform the Switch Board |
| time, the capacitors may require |
| Test. |
| “conditioning”. Let the Power |
|
|
| Wave 455 run at an idle state | 5. | The power board rectifier may |
| for 30 minutes. |
| be faulty. Check or replace. |
|
|
| Also check associated wiring. |
|
|
| See wiring diagram. |
|
| 6. | Perform the Power Board Test. |
|
| 7. | The input voltage board may be |
|
|
| faulty. |
|
| 8. | The control board may be faulty. |
|
|
|
|
The fan runs slow or intermittently | 1. Make certain the reconnect | 1. | Perform the T1 Auxiliary |
panel is configured correctly. |
| Transformer Test. | |
|
| 2. | The power board rectifier may |
|
|
| be faulty. Check or replace. |
|
|
|
|
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
