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Cause:
Error when reading the read-only data of the EEPROM in the control unit.
Fault value (r0949, decimal):
Only for internal Siemens troubleshooting.
Remedy:
- carry-out a POWER ON.
- replace the control unit
A01251
CU: CU-EEPROM incorrect read-write data
Reaction:
NONE
Acknowledge:
NONE
Cause:
Error when reading the read-write data of the EEPROM in the control unit.
Alarm value (r2124, 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:
- delete (clear) the fault memory on the drive object on which the alarm occurred (p0952 = 0).
- as an alternative, delete (clear) the fault memories of all drive objects (p2147 = 1).
- replace the control unit.
F01255
CU: Opt. module EEPROM incorrect read-only data
Reaction:
NONE (OFF2)
Acknowledge:
power on
Cause:
Error when reading the read-only data of the EEPROM in the option module.
Fault value (r0949, decimal):
Only for internal Siemens troubleshooting.
Remedy:
- carry-out a POWER ON.
- replace the control unit.
A01256
CU: Opt. module EEPROM incorrect read-write data
Reaction:
NONE
Acknowledge:
NONE
Cause:
Error when reading the read-write data of the EEPROM in the option module.
Fault value (r0949, decimal):
Only for internal Siemens troubleshooting.
Remedy:
- carry-out a POWER ON.
- replace the control unit.
F01305
Topology: Component number missing
Reaction:
NONE
Acknowledge:
IMMEDIATELY
Cause:
The component number from the topology was not parameterized (p0121 (for power module, refer to p0107), p0131
(for servo/vector drives, refer to p0107), p0141, p0151, p0161).
Fault value (r0949, decimal):
The fault value includes the particular data set number.
The fault also occurs if speed encoders were configured (p0187 ... p0189), however, no component numbers exist
for them.
In this case, the fault value includes the drive data set number plus 100 * encoder number (e.g. 3xx, if a component
number was not entered into p0141 for the third encoder).
See also: p0121, p0131, p0141, p0142, p0151, p0161, p0186, p0187, p0188, p0189
Remedy:
Enter the missing component number or remove the component and restart commissioning.
See also: p0121, p0131, p0141, p0142, p0151, p0161, p0186, p0187, p0188, p0189
A01320
Topology: Drive object number does not exist in configuration
Reaction:
NONE
Acknowledge:
NONE
Cause:
A drive object number is missing in p0978
Alarm value (r2124, decimal):
Index of p0101 under which the missing drive object number can be determined.
Siemens AG 2004 All Rights Reserved
SINAMICS G List Manual, Edition 12.2004
Faults and Alarms
List of faults and alarms
3-523
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