Power Unit: Internal Software Error; Power Unit Drive-Cliq (Cu): Sign-Of-Life Missing - Siemens Sinamics S120 Diagnostic Manual

Remedy: - check the DRIVE-CLiQ wiring (interrupted cable, contacts, ...).
- check the electrical cabinet design and cable routing for EMC compliance
- if required, use another DRIVE-CLiQ socket (p9904).
- replace the component involved.
230845 <location>Power unit DRIVE-CLiQ: Cyclic data transfer error
Message value: Component number: %1, fault cause: %2
Drive object: AFE_SINUMERIK_828, BIC_SINUMERIK_828, SERVO_COMBI, SERVO_SINUMERIK828, SIC_COMBI,
SIC_SINUMERIK_828
Reaction: OFF2
Acknowledge: IMMEDIATELY
Cause: A DRIVE-CLiQ communication error has occurred from the Control Unit to the power unit concerned.
Fault value (r0949, interpret hexadecimal):
yyxx hex: yy = component number, xx = fault cause
xx = 0B hex:
Synchronization error during alternating cyclic data transfer.
Remedy: Carry out a POWER ON.
See also: p9916 (DRIVE-CLiQ data transfer error shutdown threshold slave)
230850 <location>Power unit: Internal software error
Message value: %1
Drive object: AFE_SINUMERIK_828, BIC_SINUMERIK_828, SERVO_COMBI, SERVO_SINUMERIK828, SIC_COMBI,
SIC_SINUMERIK_828
Reaction: Servo: OFF1 (NONE, OFF2, OFF3)
Infeed: OFF1 (NONE, OFF2)
Acknowledge: POWER ON
Cause: An internal software error has occurred in the power unit.
Fault value (r0949, interpret decimal):
Only for internal Siemens troubleshooting.
Remedy: - replace power unit.
- if required, upgrade the firmware in the power unit.
- contact the Hotline.
230851 <location>Power unit DRIVE-CLiQ (CU): Sign-of-life missing
Message value: Component number: %1, fault cause: %2
Drive object: AFE_SINUMERIK_828, BIC_SINUMERIK_828, CU_LINK, SERVO_COMBI, SERVO_SINUMERIK828, SIC_COMBI,
SIC_SINUMERIK_828, TM120
Reaction: Servo: OFF2 (NONE, OFF1, OFF3)
Infeed: OFF2 (NONE, OFF1)
Acknowledge: IMMEDIATELY
Cause: A DRIVE-CLiQ communication error has occurred from the power unit to the Control Unit involved.
The DRIVE-CLiQ component did not set the sign-of-life to the Control Unit.
Fault value (r0949, interpret hexadecimal):
yyxx hex: yy = component number, xx = fault cause
xx = 0A hex = 10 dec:
The sign-of-life bit in the receive telegram is not set.
Remedy: Upgrade the firmware of the component involved.
Alarms
Diagnostics Manual, 07/2010, 6FC5398-8BP40-0BA0
SINAMICS alarms
731