2
Fault list – safety technology
Fault 67 Safe communication
Manual – Fault Descriptions MOVISAFE
®
CS..A
78
Subfault: 66.173
Description: Referencing data accepted from safety key
Response: FS – message
Cause
Measure
Safety key accepted as the sole data source.
For information only.
Subfault: 66.174
Description: Direct referencing finished
Response: FS – log
Cause
Measure
Direct referencing finished.
For information only.
Subfault: 66.175
Description: Validation withdrawn
Response: FS – log
Cause
Measure
Validation has been withdrawn.
For information only.
2.16
Fault 67 Safe communication
Subfault: 67.10
Description: SafeCom control byte
Fault class: Warning
Cause
Measure
Error detected in the communication network of
SEW‑EURODRIVE. Safe communication nodes
not configured correctly.
– Make sure that the same safety protocol has
been set in fieldbus master and fieldbus slave.
– Make sure that the communication channel
between fieldbus master and fieldbus slave has
been configured correctly.
Subfault: 67.20
Description: Safety protocol system error
Fault class: System error
Cause
Measure
Safety protocol signaled system error.
– Acknowledge the fault.
– Restart safe communication.
– If the fault occurs again, switch the device off
and on again.
– If the fault occurs repeatedly, contact
SEW‑ EURODRIVE Service.
27799182/EN – 10/2022