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 | ||
|
|
|
|
|
| ENGINE PROBLEMS |
|
|
|
Engine will not go to high idle when | 1. Make sure the welding cables | 1. | Check for broken or faulty con- | |
attempting to weld. Welding out- | and connections are tight. |
| nections in the sensing leads | |
put is normal when Idler Switch is |
|
| (#254 and #254A). | Make sure |
in “HIGH” position. Automatic idle |
|
| their connections are tight at | |
function works properly when the |
|
| the Electrode Output Terminal | |
auxiliary power is loaded. |
|
| and also at the Polarity Switch. | |
|
|
| See Wiring Diagram. | |
|
| 2. Make sure the leads are looped | ||
|
|
| three times through the current | |
|
|
| sensor on the Printed Circuit | |
|
|
| Board. |
|
|
|
|
| |
Engine will not go to high idle when | 1. MaKe sure the welding cables | 1. | Check for broken or faulty con- | |
attempting to weld or when the | and connections are tight. |
| nections in the sensing leads. | |
auxiliary power is loaded. Welding | 2. Automatic idler may not func- |
| (#254 and #254A). | Make sure |
output and auxiliary power output |
| their connections | are tight at | |
tion if the auxiliary power is |
| |||
is normal when Idler Switch is in |
| the Electrode Terminal and also | ||
loaded to less than 150 Watts. |
| |||
the “HIGH” position. |
| at the Polarity Switch. See | ||
|
| |||
|
|
| wiring diagram. |
|
|
| 2. Check lead #3, making sure it is | ||
|
|
| looped through the current sen- | |
|
|
| sor on the Printed Circuit Board. | |
|
| 3. The Printed Circuit Board may | ||
|
|
| be faulty. Replace. |
|
|
|
|
|
|
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
