2
Fault list – safety technology
Fault 63 Speed-dependent drive safety function
Manual – Fault Descriptions MOVISAFE
®
CS..A
49
Subfault: 62.93
Description: STO fault during external watchdog diagnostics
Fault class: System error
Cause
Measure
Fault detected in STO status during external
watchdog diagnostics.
– Switch the device off and on again.
– Make sure that no external signals are connect-
ed to terminal X6 (STO).
– Make sure that terminal X6 (STO) is not wired
(e.g. jumper plug must be removed).
– If the fault occurs repeatedly, replace the safety
card and send it together with the fault number to
SEW‑EURODRIVE. For further support, contact
SEW‑EURODRIVE Service.
2.12
Fault 63 Speed-dependent drive safety function
Subfault: 63.1
Description: SLS 1 limit speed exceeded in positive direction of movement
Fault class: Warning
Cause
Measure
SLS 1 limit speed exceeded in positive direction
of movement.
– Check the speed setpoint of the application
while the drive safety function is active, and ad-
just if necessary.
– Check the parameter setting of the safety card
(limit speed SLS 1), and adjust if necessary.
Subfault: 63.2
Description: SLS 2 limit speed exceeded in positive direction of movement
Fault class: Warning
Cause
Measure
SLS 2 limit speed exceeded in positive direction
of movement.
– Check the speed setpoint of the application
while the drive safety function is active, and ad-
just if necessary.
– Check the parameter setting of the safety card
(limit speed SLS 2), and adjust if necessary.
27799182/EN – 10/2022