| TROUBLESHOOTING | |
| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Output will not come on. | 6. Other modules faulted. | 6. | Verify no other modules are faulted | |
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| (all system Status Lights should be |
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| steady green). Use Diagnostics Utility |
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| to display any current faults in the sys- |
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| tem. |
Bad Weld Starting. | 1. Wire Feed problem | 1. | Verify Feeders drive roll tension is not | |
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| too low allowing the wire to slip in the |
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| rolls. Verify wire can be pulled easily |
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| through the wire conduit. Verify |
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| Contact tip is not blocked. |
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| 2. | Strike Wire Feed Speed | 2. | Verify the Strike Wire Feed Speed set |
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| correctly. |
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| 3. | Incorrect Weld Schedule | 3. | Verify the correct weld schedule is |
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| selected. |
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| 4. | Voltage Sense Leads | 4. | Verify voltage sense leads are proper- |
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| ly connected and configured as |
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| described in the instruction manual. |
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| 5. | Analog Scans Between Updates | 5. | The DeviceNet tab of the Diagnostics |
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| Utility displays the POWER WAVE®ʼs |
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| “Analog Scans Between Updates” and |
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| “I/O Scans/Sec.” Verify that “Analog |
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| Scans Between Updates” is ¼ of “I/O |
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| Scans/Sec” value. |
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| 6. | Analog Hysteresis | 6. | From the DeviceNet tab of the |
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| Diagnostics Utility, select Configure. |
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| Verify in “Analog Input Channels” that |
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| the Hysteresis settings are all 0. |
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| 7. | Limit Error | 7. | Verify all analog input values are with- |
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| in limits. |
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| 8. | Fan Out | 8. From the DeviceNet tab of the | |
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| Diagnostics Utility, select Monitor. |
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| Verify under “Analog Input Fan Out” |
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| that Burnback is present for all |
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| analogs in. |
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| 9. | Gas | 9. | Verify Gas is being turned on before |
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| the output. |
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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® i400
