POWER LEADER™ Ethernet Gateway
Chapter 6 – Troubleshooting Guide
Chapter 6 – Troubleshooting Guide
The following guide is provided for troubleshooting and isolating common problems. It does not cover
every possible condition. Contact the ED&C Customer Support Center at
Symptom | Possible Cause | Corrective Action | |
1. No response at either | Lack of power. | Check that control power cable is working and | |
| host PC or dumb |
| correctly connected. |
| terminal from the | Ethernet Gateway internal | Remove and reapply power to the Ethernet |
| Ethernet Gateway. | ||
| failure. | Gateway to see if the failure clears itself | |
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| (possibly caused by external noise). Contact |
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| Customer Support if the problem persists. |
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| WARNING: |
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| Voltages hazardous to personnel and equipment may |
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| be present at the power connection. |
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2. No response at host | Faulty Ethernet wiring | Check that the Ethernet connector is properly | |
| PC from the Ethernet | between Ethernet Gateway | wired and firmly seated. Test wiring for |
| Gateway, but terminal | and host PC | continuity and polarity to host PC. |
| connection is OK. | Ethernet driver may be | Check with your system administrator as to |
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| incorrect. | which Ethernet driver is being used (DIX or |
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| IEEE). Make sure Gateway is set accordingly |
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| (Section |
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3. | Ethernet connections | Faulty RS485 wiring between | Check that the RS485 connector is properly |
| OK, but no response | Ethernet Gateway and | wired and firmly seated. Test wiring for |
| from RS485 | RS485 networks. | continuity and polarity on RS485 wiring. |
| device(s). | Lack of control power at | Check that control power present and correctly |
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| RS485 device(s). | connected at device(s). |
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4. | Some devices on | Addressing problems or too | Refer to Section |
| RS485 networks not | many devices on segment | problem and correct accordingly. |
| recognized at host. |
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