Lenze ELCAMZIxxx4SNNPSNN (LCU122) - Manual (Page 122)

Safety engineering
Safety functions
Error states
7
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122 EDSLCMX3024-SPS EN 5.0
7.5.3 Error states
Error states with specific responses are assigned to recognised errors or maloperation of
the drive. Via the error states, the response can be adopted to the entire drive.
Features Error status
System error Error
Event Fatal internal error Error
LED ”ME” On Blinking
Safety engineering status Lockout (CPU stopped) Error status
The control category in accordance
with EN 954-1 ...
... has been exited ... has been exited
Response The motor is immediately switched to torque-free operation via STO.
Confirmation after deactivated
event
z Switch-off and switch-on of the
24-V supply
z Via PROFIsafe
z Switch-off and switch-on of the
24-V supply
Response to the confirmation The PROFIsafe communication is interrupted.
Tab. 7-3 Overview of error states
If errors occur in the PROFIsafe communications, the data from the PROFIsafe driver is
passivated. The STO function is activated.
After reinitialisation of the PROFIsafe communication, the drive is automatically
re-enabled if no standstill function is selected.

Note!
If the system error also occurs after switching the 24-V supply, please contact
the service.