Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
|
|
| ||
TROUBLESHOOTING & REPAIR |
| |||
Observe Safety Guidelines |
|
| TROUBLESHOOTING GUIDE | |
detailed in the beginning of 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). |
|
|
|
|
| |
Machine is dead – no output – no | 1. | Make sure that the input power | 1. Check the input power switch | |
fan – no pilot light. |
| switch is in the “ON” position. | (S1) for proper operation. See | |
| 2. Check the | the Wiring Diagram. | ||
|
|
| ||
|
| voltage at the machine. Input | 2. Check the leads associated | |
|
| voltage must match the rating | with the power switch (S1) and | |
|
| plate and the reconnect panel. | the control transformer (T2) for | |
| 3. | Check for blown or missing | loose or | faulty connections. |
| See the Wiring Diagram. | |||
|
| fuses in the input lines. | ||
|
|
|
| |
|
|
| 3. Perform the Control Trans- | |
|
|
| former Test. | |
|
|
|
| |
The machine is dead - not output - | 1. | Check the | 1. Perform the Input Contactor | |
no fan - the pilot light is on. The |
| at the machine. Input voltage | Test. |
|
amber temperature light is NOT on. |
| must match the rating plate and | 2. Check the associated leads for | |
|
| the reconnect panel. | ||
|
| loose or | faulty connections | |
|
|
| ||
| 2. Check for blown or missing | between | the input contactor | |
|
| fuses in the input lines. | (CR1), the reconnect panel and | |
|
|
| the main transformer. See the | |
|
|
| Wiring Diagram. | |
|
|
| 3. Perform the Main Transformer | |
|
|
| Test. |
|
|
|
|
|
|
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con- tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
