|
|
|
| TROUBLESHOOTING |
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Observe all Safety Guidelines detailed throughout this manual | ||||||||
| TROUBLESHOOTING GUIDE |
|
|
|
|
| Observe Safety Guidelines | ||||
|
|
|
|
|
|
| detailed in the beginning of this manual. | ||||
|
|
|
|
|
|
|
|
|
| ||
| PROBLEMS |
| POSSIBLE AREAS OF |
| RECOMMENDED | ||||||
| (SYMPTOMS) |
| MISADJUSTMENT(S) |
| COURSE OF ACTION | ||||||
|
|
|
|
|
|
| OUTPUT PROBLEMS |
|
|
| |
|
|
|
|
|
|
|
|
|
| ||
|
| Major physical or electrical damage | Contact your local authorized |
|
|
| |||||
|
| is evident when the sheet metal |
|
| Lincoln Electric Field Service facili- |
|
|
|
| ||
|
| covers are removed. |
|
| ty for technical assistance. |
|
|
|
| ||
|
|
|
|
|
|
|
|
|
| ||
|
| Input fuses keep blowing, or input |
|
| 1. Make certain that fuses or |
|
|
|
| ||
|
| breaker keeps tripping. |
|
|
| breakers are properly sized. |
|
|
|
| |
|
|
|
|
|
|
| See Installation section of this |
|
|
|
|
|
|
|
|
|
|
| manual for recommended |
|
|
|
|
|
|
|
|
|
|
| fuse and breaker sizes. |
|
|
|
|
|
|
|
|
|
| 2. | Welding procedure is drawing |
|
|
|
|
|
|
|
|
|
|
| too much output current, or |
|
|
|
|
|
|
|
|
|
|
| duty cycle is too high. |
|
|
|
|
|
|
|
|
|
|
| Reduce output current, duty |
|
|
|
|
|
|
|
|
|
|
| cycle, or both. |
|
| If all recommended possible areas |
|
|
|
|
|
|
| 3. There is internal damage to |
|
| of misadjustments have been |
| |
|
|
|
|
|
|
| the power source. Contact an |
|
| checked and the problem persists, |
|
|
|
|
|
|
|
| authorized Lincoln Electric |
|
| contact your local Lincoln |
|
|
|
|
|
|
|
| Service facility. |
|
| Authorized Field Service Facility. |
|
|
|
|
|
|
|
|
|
|
| ||
|
| Machine will not power up (no |
|
| 1. Make certain that the Power |
|
|
|
| ||
|
| lights, no fan, etc.) |
|
|
| Switch (SW1) is in the “ON” |
|
|
|
| |
|
|
|
|
|
|
| position. |
|
|
|
|
|
|
|
|
|
| 2. | Circuit breaker CB4 (in recon- |
|
|
|
|
|
|
|
|
|
|
| nect area) may have opened. |
|
|
|
|
|
|
|
|
|
|
| Reset. Also, check input volt- |
|
|
|
|
|
|
|
|
|
|
| age selection, below. |
|
|
|
|
|
|
|
|
|
| 3. | Input voltage selection made |
|
|
|
|
|
|
|
|
|
|
| improperly. Power down, |
|
|
|
|
|
|
|
|
|
|
| check input voltage reconnect |
|
|
|
|
|
|
|
|
|
|
| according to diagram on |
|
|
|
|
|
|
|
|
|
|
| reconnect cover. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con- tact your local authorized Lincoln Electric Field Service Facility for technical assistance.