| TROUBLESHOOTING | |
| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Device goes off line during welding. | 1. Interference / Noise. | 1. Verify that DeviceNet cables are not | |
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| running next to (in close proximity |
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| with) current carrying conductors. |
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| This includes the welding cables, input |
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| cables, etc. |
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| 2. Termination. | 2. Verify that the DeviceNet bus is termi- |
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| nated correctly. |
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| 3. Shielding. | 3. Verify that the cable shielding is cor- |
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| rectly grounded at the bus power sup- |
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| ply. The shield should be tied into the |
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| bus ground at only one point. |
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| 4. Power Supply. | 4. Verify that the DeviceNet bus power |
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| supply can supply sufficient current for |
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| the devices on the network. |
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| 5. Expected Packet Rate. | 5. Verify that 1000/(Expected Packet |
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| Rate) ≤ (scans per second). The |
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| DeviceNet tab of the Diagnostics |
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| Utility displays these values. |
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Output will not come on. | 1. DeviceNet trigger not asserted. | 1. From the DeviceNet tab of the | |
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| Diagnostics Utility, select Monitor. The |
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| Monitor window will be displayed. Verify |
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| under the “Produced Assembly” that |
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| “Trigger” is highlighted. |
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| 2. Touch Sense command. | 2. From the DeviceNet tab of the |
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| Diagnostics Utility, select Monitor. The |
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| Monitor window will be displayed. Verify |
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| under the “Produced Assembly” that |
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| “Touch Sense” is NOT highlighted. |
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| 3. Passive Mode. | 3. The DeviceNet tab of the Diagnostics |
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| Utility displays the POWER WAVE®ʼs |
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| passive mode status. If the status |
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| needs to be changed, select Configure, |
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| and make the necessary modification. |
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| 4. Welding Cables. | 4. Verify that welding cables are connect- |
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| ed properly. |
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| 5. Output Disabled | 5. From the DeviceNet tab of the |
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| Diagnostics Utility, select Monitor. The |
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| Monitor window will be displayed. Verify |
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| under the “Produced Assembly” that |
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| “Disable Output” is NOT highlighted. |
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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
