Cause: An internal software error has occurred in the power unit.
Fault value (r0949, int
erpret decimal):
Only for internal Siemens troubleshooting.
Remedy: - Replace power unit.
- If requir
ed, upgrade the rmware in the power unit.
- Contact Technical Support.
F30851 Power unit (CU): Sign-of-life missing
Message class: Internal (DRIVE-CLiQ) communication error (12)
Message value: Component number: %1, fault cause: %2
Component: Power Unit
Response: OFF2
Acknowledgment: IMMEDIATELY
Cause: Internal communications error.
The com
ponent did no
t se
t the sign-of-life.
Message value (r0949/r2124):
0000yyxx hex: yy = component number, xx = error cause
xx = 0A hex (10 dec):
The sign-of-life bit in the receive telegram is not set.
Remedy: - Deselect functions that are not required.
- Replace the component in
volved.
A30853 Power unit: Sign-of-life error cyclic data
Message class: General drive fault (19)
Message value: -
Component: Control Unit (CU)
Response: NONE
Acknowledgment: NONE
Cause: The cyclic setpoint telegrams of the power unit were not refreshed on time.
Remedy: - Check the power unit and if required replace.
F30860 Power unit (CU): Telegram error
Message class: Internal (DRIVE-CLiQ) communication error (12)
Message value: Component number: %1, fault cause: %2
Component: Power Unit
Response: OFF2
Acknowledgment: IMMEDIATELY
System messages
12.3Faults and alarms
SINAMICS S200 PROFINET servo drive system with SIMOTICS S-1FL2
Operating Instructions, 11/2023, FW V6.3, A5E51646752B AB 571