![](/images/new-backgrounds/1328842/32884285x1.webp)
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 |
| ||
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 |
|
|
Machine has no welding output (no | 1. The 42VAC circuit breaker CB1 | 1. If 42VAC is NOT present at pins | |
open circuit voltage), and the wire | may be tripped. Reset if neces- | "K" and "I" on the 14 pin amphe- | |
feeder does not feed wire when the | sary. | nol, perform the T1 Auxiliary | |
gun trigger is pulled. | 2. Check the 4 amp slow blow fuse | Transformer Test. | |
|
|
| |
| located on the reconnect panel. | 2. Check leads #43 and #212C for | |
| Replace if faulty. | loose or faulty connections | |
| 3. Put a jumper between pins "A" | between the T1 auxiliary trans- | |
| former and the remote protec- | ||
| and "C" on the 5 pin amphenol | ||
| tion board. See the Wiring | ||
| located on the | ||
| Diagram. Also check the conti- | ||
| feeder. If wire feeds, check the | ||
| nuity through the remote protec- | ||
| gun trigger. Repair or replace if | ||
| tion board to the 14 pin amphe- | ||
| necessary. | ||
| nol. See the Remote Protection | ||
|
| ||
| 4. Check for the presence of | Board Schematic. | |
| 42VAC at pins "K" and "I" on the |
|
|
| 14 pin amphenol. If the 42VAC |
|
|
| is present and the feeder does |
|
|
| not work, the problem is in the |
|
|
| feeder control cable or the wire |
|
|
| feeder. |
|
|
|
|
|
|
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