Cause:
The maximum operating time of at least one fan will soon be reached, or has already been exceeded.
Alarm value (r2124, interpret binary):
Bit 0: heat sink fan will reach the maximum operating time in 500 hours.
Bit 1: heat sink fan has exceeded the maximum operating time.
Bit 8: internal device fan will reach the maximum operating time in 500 hours.
Bit 9: internal device fan has exceeded the maximum operating time.
Note:
The maximum operating time of the heat sink fan in the power unit is displayed in p0252.
The maximum operating time of the internal device fan in the power unit is internally specified and is fixed.
Remedy:
For the fan involved, carry out the following:
- replace the fan.
- reset the operating hours counter (p0251, p0254).
See also: p0251, p0252, p0254
A30049
Power unit: Internal fan faulty
Reaction:
NONE
Acknowledge:
NONE
Cause:
The internal fan has failed.
Remedy:
Check the internal fan and replace if necessary.
F30051
Power unit: Motor holding brake short circuit detected
Reaction:
OFF2
Acknowledge:
IMMEDIATELY
Cause:
A short-circuit at the motor holding brake terminals has been detected.
Fault value (r0949, interpret decimal):
Only for internal Siemens troubleshooting.
Remedy:
- check the motor holding brake for a short-circuit.
- check the connection and cable for the motor holding brake.
F30052
EEPROM data error
Reaction:
OFF2
Acknowledge:
POWER ON
Cause:
EEPROM data error of the power unit module.
Fault value (r0949, interpret decimal):
0, 2, 3, 4:
The EEPROM data read in from the power unit module is inconsistent.
1:
EEPROM data is not compatible to the firmware of the Control Unit.
Remedy:
Replace power unit module.
A30057
Power unit: Line asymmetry
Reaction:
NONE
Acknowledge:
NONE
Cause:
Frequencies have been detected on the DC link voltage that would suggest line asymmetry or failure of a line phase.
It is also possible that a motor phase has failed.
Fault F30011 is output if the alarm is present and at the latest after 5 minutes.
The precise duration depends on the power unit type and the particular frequencies. For booksize and chassis power units,
the duration also depends on how long the alarm has been active.
Alarm value (r2124, interpret decimal):
Only for internal Siemens troubleshooting.
Warnings, faults and system messages
9.6 List of fault codes and alarm codes
SINAMICS G120XA converter
818
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
Содержание SINAMICS G120XA
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