3. Perform the Auxiliary
Transformer Test.
4. Perform the Power Board Resistance Test.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 216-383-2531 or 1-800-833-9353.
INVERTEC V250-S
1. Check the input voltage and input 1. Perform the Capacitor Balance
voltage reconnect procedures. Test. See Installation Section of this
manual.2. Perform the Protection Circuit Test.
The machine operates normally when connected for 200 - 230VAC input. There is no output when the machine is connected to 380VAC or higher.
2. Perform the Input Rectifier Test.
3. Perform Power Board
Resistance Test.
4. Check the reconnect switch and associated leads for “shorts” or faulty wiring.
2. Install new fuses and reapply power. If fuses open again, con- sult a Lincoln Authorized Field Service Facility.
1. Inspect interior of machine for physical signs of electrical and heat damage. Replace any dam- aged components after conduct- ing the following tests.
1. Inspect input leads for possible shorts or grounds or mis-connec- tions.
No output - Main input fuses open, indicating excessive current draw.
OUTPUT PROBLEMS
Return to Section TOC
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Return to Master TOC
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Return to Master TOC
Return to Master TOC
TROUBLESHOOTING & REPAIR | ||||||
Observe all Safety Guidelines detailed throughout this manual |
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