4 Faults and alarms
4.2 List of faults and alarms
SINAMICS G120 Control Units CU240B-2/CU240E-2
788 List Manual (LH11), 01/2016, A5E33839529
F01250 CU: CU-EEPROM incorrect read-only data
Message class: Hardware/software error (1)
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.
A01251 CU: CU-EEPROM incorrect read-write data
Message class: Hardware/software error (1)
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:
- clear the fault memory (p0952 = 0).
- replace the Control Unit.
F01257 CU: Firmware version out of date
Message class: Error in the parameterization / configuration / commissioning procedure (18)
Reaction: OFF2
Acknowledge: POWER ON
Cause: The Control Unit firmware is too old.
Fault value (r0949, interpret hexadecimal):
bbbbbbaa hex: aa = unsupported component
aa = 01 hex = 1 dec:
The firmware being used does not support the Control Unit.
aa = 02 hex = 2 dec:
The firmware being used does not support the Control Unit.
aa = 03 hex = 3 dec:
The firmware being used does not support the Power Module.
aa = 04 hex = 4 dec:
The firmware being used does not support the Control Unit.
Remedy: For fault value = 1, 2, 4:
- Upgrade the firmware of the Control Unit.
For fault value = 3:
- Upgrade the firmware of the Control Unit.
- Replace the Power Module by a component that is supported.
F01340 Topology: Too many components on one line
Message class: Error in the parameterization / configuration / commissioning procedure (18)
Reaction: NONE
Acknowledge: IMMEDIATELY
Cause: For the selected communications clock cycle, too many DRIVE-CLiQ components are connected to one line of the
Control Unit.
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