Siemens SINAMICS G120D - Page 309

Alarms, faults and system messages
11.3 Status LED overview
Converter with control units CU250D-2
Operating Instructions, 04/2014, FW V4.7, A5E34261542B AA
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Explanation of status LEDs
An explanation of the various states indicated by the LEDs are given in the tables below.
Table 11- 1 Description of general status LEDS
RDY
BF
Description of function
GREEN - On
-
Ready for operation (no active fault)
GREEN - flashing slowly
-
Commissioning or reset of factory settings
RED - on
Off
Firmware update in progress
RED - flashing slowly
RED - flashing slowly
Firmware updated is complete - power ON reset required
RED - flashing quickly
-
General fault condition
RED - flashing quickly
RED - On
Fault occurred during firmware update
RED - flashing quickly
RED - flashing quickly
Incompatible firmware or incorrect memory card
Table 11- 2 Description of PROFIBUS communications LED
BF
Description of function
Off
Cyclic data exchange (or PROFIBUS not in use - p2030 = 0)
RED - flashing slowly
Bus fault - configuration fault
RED - flashing quickly Bus fault:
- no data exchange
- baud rate search - cannot detect the correct baud rate
- no connection - the connection between the Inverter and PLC has been lost
Table 11- 3 Description of SAFE LED
SAFE
Description of function
YELLOW - On
One or more safety functions are enabled - but not active
YELLOW - flashing slowly
One or more safety functions are active - no safety function faults have occurred.
YELLOW - flashing quickly The Inverter has detected a safety function fault and initiated a stop response.
Table 11- 4 Description of PROFINET communications LEDS
ACT
LNK
Description of function
On/flashing
On
Link active and data transfer active if flashing
Off Off Link inactive with no data transfer
Table 11- 5 Description of Digital Input and Output LEDs
DI / DO
Description of function
On
Input/Output connected and working
Off Input/Output not connected or has stopped working