Toshiba nv Series - Error Inspection

Chapter 6 Troubleshooting
6F8C1872
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6.1 Error Inspection
(1)
PF611A LED status
The station mode is indicated as follows with the DBS, COM, MS, TOKEN, and ACC LEDs
on the front of the module.
Table 6-1 PF611A LED status
LED name
Display
Description
DBS
Green On
Database ready
(Green)/(Red)
Green Flash
Database downloading
Red ON
Database unavailable
Off
No database
COM
Green On
Data communication available with all slaves
(Green)/(Red)
Green Flash
Data communication available with one or more slaves
Red On
Bus control error (Bus short circuit or setting error)
Off
No communication available slave
MS
Green On
Data transmission available
(Green)/(Red)
Green Flash
Slave input available, output stop
Red On
Transmission stop
Red Flash
Running as passive master (duplexing)
Off
Offline
TOKEN
Green On
Token retained
(Green)
Off
No token
4 above
Red On
Fatal error
ACC
Green On
Controller accessing
(Green)
Off
Controller not accessing