Siemens SINAMICS G110M Operating Instructions Manual page 350

Alarms, faults and system messages
9.2 Operating states indicated via LEDs
Table 9-6
BF
Table 9-7
AS-i /
FLT
348
PROFIBUS fieldbus
Explanation
Data exchange between the converter and control system is active
Fieldbus interface is not being used
The fieldbus is improperly configured.
RDY In conjunction with a synchronously flashing LED RDY:
Converter waits until the power supply is switched off and switched on again after a
firmware update
No communication with higher-level controller
RDY In conjunction with an asynchronously flashing LED RDY:
Incorrect memory card
Firmware update failed
Firmware update is active
Fieldbus AS-i
Explanation
System OK
AS-i master not connected
No communications between processors within the converter
Slave address 0
Converter trip
Distributed converter for SIMOGEAR geared motors
Operating Instructions, 10/2020, FW V4.7 SP13, A5E31298649B AL