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Warnings, faults and system messages
9.6 List of fault codes and alarm codes
A30920 (F)
Temperature sensor fault
Reaction:
NONE
Acknowledge:
NONE
Cause:
When evaluating the temperature sensor, an error occurred.
Alarm value (r2124, interpret decimal):
1: Wire breakage or sensor not connected.
KTY: R > 2120 Ohm, PT1000: R > 2120 Ohm
2: Measured resistance too low.
PTC: R < 20 Ohm, KTY: R < 50 Ohm, PT1000: R < 603 Ohm
Remedy:
- make sure that the sensor is connected correctly.
- replace the sensor.
F30950
Power unit: Internal software error
Reaction:
OFF2
Acknowledge:
POWER ON
Cause:
An internal software error has occurred.
Fault value (r0949, interpret decimal):
Information about the fault source.
Only for internal Siemens troubleshooting.
Remedy:
- if necessary, upgrade the firmware in the power unit to a later version.
- contact Technical Support.
A30999 (F, N) Power unit: Unknown alarm
Reaction:
NONE
Acknowledge:
NONE
Cause:
An alarm occurred on the power unit that cannot be interpreted by the Control Unit firmware.
This can occur if the firmware on this component is more recent than the firmware on the Control Unit.
Alarm value (r2124, interpret decimal):
Alarm number.
Note:
If required, the significance of this new alarm can be read about in a more recent description of the Control Unit.
Remedy:
- replace the firmware on the power unit by an older firmware version (r0128).
- upgrade the firmware on the Control Unit (r0018).
F35950
TM: Internal software error
Reaction:
OFF2 (NONE)
Acknowledge:
POWER ON
Cause:
An internal software error has occurred.
Fault value (r0949, interpret decimal):
Information about the fault source.
Only for internal Siemens troubleshooting.
Remedy:
- if necessary, upgrade the firmware in the Terminal Module to a later version.
- contact Technical Support.
A50010 (F)
PROFINET: Consistency error affecting adjustable parameters
Reaction:
NONE
Acknowledge:
NONE
824
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
SINAMICS G120XA converter
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