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TROUBLESHOOTING | ||
| Observe all Safety Guidelines detailed throughout this manual |
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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. |
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| Fan should run in a low speed |
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| setting when the machine is idle |
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| and in a high speed when the |
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| output is triggered. Check for |
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| material blocking intake or |
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| exhaust louvers, or for excessive |
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| dirt clogging cooling channels in |
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| machine. |
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| 2. | Open thermostat circuit. | 2. Check for broken wires, open |
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| connections or faulty thermostats |
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| in the thermostat circuit. |
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| “Real Time Clock” no longer func- | 1. | Control PC Board Battery. | 1. Replace the battery (Type: |
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| tioning |
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| BS2032) |
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| Weld and Arc Quality Problems |
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| General degradation of weld perfor- | 1. | Wire feed problem. | 1. Check for feeding problems. Make |
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| mance |
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| sure proper gear ratio has been |
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| selected. |
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| 2. | Cabling problems. | 2. Check for bad connections, |
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| excessive loops in cable, etc. |
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| NOTE: The presence of heat in the |
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| external welding circuit indicates |
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| poor connections or undersized |
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| cables. |
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| 3. | Loss of, or improper Shielding | 3. Verify gas flow and type are cor- |
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| Gas. | rect. |
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| 4. | Verify weld mode is correct for | 4.Select the correct weld mode for |
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| process. | the application. |
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| 5. | Machine calibration. | 5. The power source may require |
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| calibration. (current, voltage, |
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| WFS). |
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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® R350