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 machine’s welding output is | 1. Put the Control Select in the | 1. | Perform | the | Current | |||||||||
| very high and uncontrollable. |
| Local position. If the problem is |
| Transducer Test. |
|
|
|
| ||||||
|
|
| solved | the | remote | control |
|
|
|
|
|
|
| ||
|
|
| device | or | associated | circuitry | 2. | If the output is normal | when | ||||||
|
|
| may be faulty. |
|
|
|
| the Control Select is in the Local | |||||||
|
|
|
|
|
|
|
|
|
| position but the output is very | |||||
|
| 2. | Check | for | proper | current and |
| high in the Remote position the | |||||||
|
|
| remote | board may be | faulty. | ||||||||||
|
|
| voltage calibration. |
|
|
| |||||||||
|
|
|
|
|
| Perform | The | SPI | Cable | ||||||
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
| Resistance and Voltage Test. | |||||
|
|
|
|
|
|
|
|
| 3. The control board may be faulty. | ||||||
|
|
|
|
|
| ||||||||||
| The Weld Mode Select does not | 1. | Refer to Operation Section of | 1. Check for loose or faulty plug | |||||||||||
| function properly. |
| this manual for normal operation |
| connections between the con- | ||||||||||
|
|
| characteristics. |
|
|
| trol board and the mode select | ||||||||
|
|
|
|
|
|
|
|
|
| panel. See the wiring diagram. | |||||
|
| NOTE: The mode panel is not pre- |
|
|
|
|
|
|
| ||||||
|
|
| sent | if | the | advanced | 2. | Perform | the | SPI | Cable | ||||
|
|
| process panel is installed. |
| Resistance and Voltage Test. | ||||||||||
|
|
|
|
|
|
|
|
| 3. The Mode Select Panel board | ||||||
|
|
|
|
|
|
|
|
|
| may be faulty. |
|
|
|
| |
|
|
|
|
|
|
|
|
| 4. The control board may be faulty. | ||||||
The output control and/or Weld 1. | Refer to Operation Section of | 1. | Check for loose or faulty plug |
Terminals Select functions do not | this manual for normal operation |
| connections between the |
operate properly. | characteristics. |
| remote board and the weld/out- |
|
|
| put controls. See the wiring dia- |
2. | Check for proper current and |
| gram. |
| voltage calibration. |
|
|
|
| 2. | The Remote Board may be |
|
|
| faulty. |
|
| 3. | The control board may be faulty. |
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
