TROUBLESHOOTING | ||
| Observe all Safety Guidelines detailed throughout this manual |
|
|
|
|
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Basic Machine Problems (Continued)
| Thermal LED is ON | 1. | Improper fan operation. | 1. Check for proper fan operation. |
| |
|
|
|
|
| Fan should run in a low speed |
|
|
|
|
|
| setting when the machine is idle |
|
|
|
|
|
| and in a high speed when the |
|
|
|
|
|
| output is triggered. Check for |
|
|
|
|
|
| material blocking intake or |
|
|
|
|
|
| exhaust louvers, or for excessive |
|
|
|
|
|
| dirt clogging cooling channels in |
|
|
|
|
|
| machine. |
|
|
|
|
|
|
|
|
|
|
| 2. | Open thermostat circuit. | 2. Check for broken wires, open |
|
|
|
|
|
| connections or faulty thermostats |
|
|
|
|
|
| in the thermostat circuit. |
|
|
|
|
|
|
|
|
| “Real Time Clock” no longer func- | 1. | Control PC Board Battery. | 1. Replace the battery (Type: |
| |
| tioning |
|
| BS2032) |
| |
|
|
|
|
|
| |
|
|
| Weld and Arc Quality Problems |
|
| |
| General degradation of weld perfor- | 1. | Wire feed problem. | 1. Check for feeding problems. |
| |
| mance |
|
|
|
| |
|
|
|
|
|
|
|
|
|
| 2. | Cabling problems. | 2. Check for bad connections, |
|
|
|
|
|
| excessive loops in cable, etc. |
|
|
|
|
|
| NOTE: The presence of heat in the |
|
|
|
|
|
| external welding circuit indicates |
|
|
|
|
|
| poor connections or undersized |
|
|
|
|
|
| cables. |
|
|
|
|
|
|
|
|
|
|
| 3. | Loss of, or improper Shielding | 3. Verify gas flow and type are cor- |
|
|
|
|
| Gas. | rect. |
|
|
|
|
|
|
|
|
|
|
| 4. | Verify weld mode is correct for | 4.Select the correct weld mode for |
|
|
|
|
| process. | the application. |
|
|
|
|
|
|
|
|
|
|
| 5. | Machine calibration. | 5. The power source may require |
|
|
|
|
|
| calibration. (current, voltage, |
|
|
|
|
|
| WFS). |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
POWER WAVE® S350