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