Siemens SINAMICS G150 Manual page 1738

4 Faults and alarms
4.2 List of faults and alarms
A34903 (F, N) VSM: I2C bus error occurred
Message value: -
Message class: Hardware / software error (1)
Drive object: VECTOR_G
Reaction: NONE
Acknowledge: NONE
Cause: An error has occurred when accessing the module-internal I2C bus.
Remedy: Replace the Terminal Module.
Reaction upon F: NONE
Acknowl. upon F: IMMEDIATELY (POWER ON)
Reaction upon N: NONE
Acknowl. upon N: NONE
A34903 (F, N) VSM: I2C bus error occurred
Message value: -
Message class: Hardware / software error (1)
Drive object: B_INF
Reaction: NONE
Acknowledge: NONE
Cause: An error has occurred when accessing the module-internal I2C bus.
Remedy: Replace the Voltage Sensing Module (VSM).
Reaction upon F: NONE (OFF1, OFF2)
Acknowl. upon F: IMMEDIATELY (POWER ON)
Reaction upon N: NONE
Acknowl. upon N: NONE
A34904 (F, N) VSM: EEPROM
Message value: -
Message class: Hardware / software error (1)
Drive object: B_INF, VECTOR_G
Reaction: NONE
Acknowledge: NONE
Cause: An error has occurred accessing the non-volatile memory on the Terminal Module.
Remedy: Replace the Voltage Sensing Module (VSM).
Reaction upon F: Vector: NONE
Infeed: NONE (OFF1, OFF2)
Acknowl. upon F: IMMEDIATELY (POWER ON)
Reaction upon N: NONE
Acknowl. upon N: NONE
A34905 (F, N) VSM: Parameter access
Message value: -
Message class: Hardware / software error (1)
Drive object: B_INF, VECTOR_G
Reaction: NONE
Acknowledge: NONE
Cause: The Control Unit attempted to write an illegal parameter value to the Voltage Sensing Module (VSM).
Remedy: - check whether the firmware version of the VSM (r0158) matches the firmware version of Control Unit (r0018).
- if required, replace the Voltage Sensing Module.
Note:
The firmware versions that match each other are in the readme.txt file on the memory card.
Reaction upon F: Vector: NONE
Infeed: NONE (OFF1, OFF2)
Acknowl. upon F: IMMEDIATELY (POWER ON)
1738
SINAMICS G130/G150
List Manual (LH2), 04/2014, A5E03263479A