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 | ||
|
|
|
|
|
|
|
|
| FUNCTION PROBLEMS |
|
|
| The air begins to flow when the | 1. | Make sure the air pressure is | 1. Perform the Torch Continuity | |
| torch trigger is pulled. There is a |
| set at 70 psi (448 kPa.) | and Solenoid Test. | |
| very brief pilot arc. (Normal is 3 | 2. | Make sure the torch consum- | 2. The output board may be faulty. | |
| seconds.) The sequence is repeat- | ||||
|
| ables are in place and in good | Replace. | ||
| ed with subsequent trigger pulls. |
| |||
|
| condition. |
|
| |
|
|
| 3. The control board may be | ||
|
|
|
| ||
|
| 3. | Make sure the air flow is not | faulty. Replace. | |
|
|
| restricted. |
|
|
|
|
|
|
| |
| The cutting arc starts but sputters | 1. | Make sure the operating proce- | 1. Perform the Torch Continuity | |
| badly. |
| dure is correct for the process. | and Solenoid Test. | |
|
|
| See the Operation section of | 2. The output board may be faulty. | |
|
|
| this manual. | ||
|
|
| Replace. | ||
|
|
|
| ||
|
| 2. | Make sure the work clamp is | 3. The control board may be | |
|
|
| connected tightly to the work- | ||
|
|
| faulty. Replace. | ||
|
|
| piece. | ||
|
|
|
|
| |
|
| 3. | Make sure the torch consum- |
|
|
|
|
| ables are in place and in good |
|
|
|
|
| condition. |
|
|
|
| 4. | Make sure the air supply is not |
|
|
|
|
| contaminated with oil or exces- |
|
|
|
|
| sive water. |
|
|
|
| 5. | Make sure the air pressure is |
|
|
|
|
| set at 70 psi (448 kPa.) |
|
|
|
|
|
|
|
|
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
