TROUBLESHOOTING (CONTINUED)
|
|
|
|
|
|
|
|
|
|
|
| TROUBLE |
|
| CAUSE |
|
| WHAT TO DO |
| ||
|
|
|
|
|
|
|
|
|
| |
| C. Variable or sluggish welding. |
|
| 1. | Poor work or electrode terminal |
|
| 1. Check and clean all connections. |
| |
|
|
|
|
| connection. |
|
|
|
|
|
|
|
|
| 2. | Current too low. |
|
| 2. | Check recommended currents |
|
|
|
|
|
|
|
|
|
| for rod type and size. |
|
|
|
|
| 3. | Low line voltage. |
|
| 3. | Check with power company. |
|
|
|
|
| 4. | Welding leads too small. |
|
| 4. | See Output Cable section. |
|
|
|
|
| 5. | Old and badly frayed welding |
|
| 5. | Replace. |
|
|
|
|
|
| cables. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| D. Welder wonʼt shut off. |
|
| 1. | Line switch has failed |
|
| 1. | Replace switch. |
|
|
|
|
|
| mechanically. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| E. Polarity switch wonʼt turn. |
|
| 1. | Contacts rough and pitted from |
|
| 1. | Replace switch. |
|
|
|
|
|
| improper switching under load. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
– 15 –
