Cu: Cu-Eeprom Incorrect Read-Only Data; Cu: Cu-Eeprom Incorrect Read-Write Data; Cu: Option Board Eeprom Read-Only Data Error - Siemens Sinamics S120 Diagnostic Manual

SINAMICS alarms
201250 <location>CU: CU-EEPROM incorrect read-only data
Message value: %1
Drive object: All objects
Reaction: NONE (OFF2)
Acknowledge: POWER ON
Cause: Error when reading the read-only data of the EEPROM in the Control Unit.
Fault value (r0949, interpret decimal):
Only for internal Siemens troubleshooting.
Remedy: - carry out a POWER ON.
- replace the Control Unit.
201251 <location>CU: CU-EEPROM incorrect read-write data
Message value: %1
Drive object: All objects
Reaction: NONE
Acknowledge: NONE
Cause: Error when reading the read-write data of the EEPROM in the Control Unit.
Alarm value (r2124, interpret decimal):
Only for internal Siemens troubleshooting.
Remedy: For alarm value r2124 < 256, the following applies:
- carry out a POWER ON.
- replace the Control Unit.
For alarm value r2124 >= 256, the following applies:
- for the drive object with this alarm, clear the fault memory (p0952 = 0).
- as an alternative, clear the fault memory of all drive objects (p2147 = 1).
- replace the Control Unit.
201255 <location>CU: Option Board EEPROM read-only data error
Message value: %1
Drive object: All objects
Reaction: NONE (OFF2)
Acknowledge: POWER ON
Cause: Error when reading the read-only data of the EEPROM in the Option Board.
Fault value (r0949, interpret decimal):
Only for internal Siemens troubleshooting.
Remedy: - carry out a POWER ON.
- replace the Control Unit.
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Diagnostics Manual, 07/2010, 6FC5398-8BP40-0BA0
Alarms