TROUbLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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PRObLEMS | POSSIbLE |
(SYMPTOMS) | CAUSE |
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| OUTPUT PRObLEMS |
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| Machine input contactor operates | 1. | Place OUTPUT TERMINAL |
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| but machine has no weld |
| Switch to “ON”, or install a |
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| output.Fan runs and pilot light |
| jumper from #2 to #4 on |
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| glows. |
| machine terminal strip. If |
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| machine weld | output | is |
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| restored the problem is in the |
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| wire feeder or control cable. |
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| 2. | If remote control is not being |
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| used make certain | the |
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| LOCAL/REMOTE | SWITCH |
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| (SW3) is in the "Local" position. |
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| 3. | Check 42V Circuit Breaker in |
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| the front panel. Reset if neces- |
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| sary. |
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| 4. | Check for loose or faulty weld |
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| cable connections. |
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| 5. | Trigger circuit not working. |
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| 6. | If machine functions properly in |
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| CV modes but not in CC mode, |
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| check for loose connections at |
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| VRD P.C. board. |
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| 1. | Check for faulty mode switch. |
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| Red and Green lights do not come |
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| on for approximately 5 seconds | 2. | Check for loose connections at |
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| when switching to or powering up |
| VRD P.C. board. |
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| in CC mode. |
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| 3. | Possible bad VRD P.C. Board. |
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| 1. | Check to make sure output is |
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| Both red and green lights stay on |
| not shorted (electrode touching |
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| in CC mode well past the 5 second |
| work). |
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| pretest time. |
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| 2. | If using an across the arc Wire |
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| Feeder, remove the clamp from |
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| the output stud until after the 5 |
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| second pretest is complete. |
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RECOMMENDED
COURSE OF ACTION
If all recommended possible areas of possible cause have been checked and the problem persists,
Contact your local Lincoln Authorized Field Service Facility.
3. Uncoil output cables.
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.
IDEALARC®
