4. Troubleshooting (DeviceNet)
♦Process Flowchart
| Master LED |
| Absent Slave LED |
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| |
Examining a | MS: Green ON | Yes | MS: OFF | Yes | 1 | Slave: |
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|
trouble. | NS: Red Blinking |
| NS: OFF |
| Not Operating | See 4.1.2.1.1. | ||
See 4.1.1. Examining | No |
| No |
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|
Details of Trouble. |
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| MS: Green ON | Yes | 2 | Slave: | See 4.1.2.1.2. | |
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| NS: Red Blinking |
| Communication | |||
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| Error Detection |
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| No |
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| MS: Green ON | Yes | 3 | Slave: | See 4.1.2.1.2. | |
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| NS: Red ON |
| Busoff Detection | |||
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| No |
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| MS: Green ON | Yes | 4 | Slave: | See 4.1.2.1.2. | |
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| NS: OFF |
| Not Added | |||
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| No |
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| (Other) |
| Broken Slave Unit |
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| |
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| Replace the unit. |
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| |
| MS: Green ON | Yes |
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| 5 | Master: |
| See 4.1.2.2. |
| NS: Red ON |
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| Busoff Detection |
| ||
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| ||
| No |
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| MS: Green ON | Yes |
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| 6 | Master: |
| See 4.1.2.3. |
| NS: OFF |
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| Unestablished |
| ||
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| Communication |
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| No |
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| MS: Red Blinking | Yes |
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| 7 | Master Unit: |
| See 4.1.2.4. |
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| Configuration Error | ||||
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| ||||
| No |
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| MS: OFF | Yes |
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| 8 | Master: |
| See 4.1.2.5. |
| NS: Green Blinking |
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| Absent Slave |
| ||
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| |
| No |
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| MS: OFF | Yes |
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| 9 | Master: |
| See 4.1.2.6. |
| NS: OFF |
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| Uninitialized Network | |||
| No |
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| MS: Red ON |
|
|
| Broken Master Unit |
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| |
| Other |
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| Replace the Unit. |
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| |
Fieldbus I/O Rev.6 | 81 |
