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4. Troubleshooting (PROFIBUS DP)
4.2.2.3 Master: Uninitialized Network
Master Unit LED
BF ST
Error Description
Light
OFF
Light
OFF
Uninitialized network - Master unit power error
- Master unit configuration error
♦ Process Flowchart
7
No Problem
Check
Measure voltage of all
slave power supplies.
Problem exists. (Fix it.)
No problem
Finish
No
Replace the master unit.
Yes
No
Check for master device configuration.
Problem exists. (Fix it.)
No problem
No Problem
Consult the PROFIBUS manufacturer.
Normal Communication?
126 Fieldbus I/O Rev.6