Siemens SINAMICS G120 Operating Instructions Manual page 222

Messages and fault codes
7.1 Status display using LEDs
Table 7- 3 Status displays on the CU240S PN
SF RDY
(red) (green)
On / Off Flashing
On Off
On / Off On / Off
On / Off On / Off
On / Off On / Off
On / Off On / Off
On / Off On / Off
Off On
LED status display for fail-safe inverters - CU240S DP-F
Table 7- 4 Display of the general states on the CU240S DP-F
SF RDY
(red) (green)
On / Off Flashing
On / Off Flashing
Flashing Flashing
On OFF
OFF On
Table 7- 5 Display of the communication states on the CU240S DP-F
SF
(red)
On / Off
On / Off
The "ES", "STO" and "SS1" LEDs have no significance for the communication status of the
CU240S DP-F
222
LED displays
BF
(red) (green)
--- On / Off
--- On / Off
Flashing
On
OFF
On
OFF
--- On / Off
LED displays
BF ES STO
(red) (yellow) (yellow)
--- On / Off ---
--- Flashing Flashing
--- Flashing Flashing
--- On / Off ---
--- On / Off ---
LED displays
RDY
(green)
On / Off
On / Off
LNK ACT
(yellow)
On / Off
On / Off
On OFF
OFF OFF
On On / Off
OFF OFF
On On
On / Off
SS1 SLS
(yellow) (yellow)
--- ---
Flashing Flashing •
Flashing Flashing Parameter download from the memory
--- ---
--- ---
BF
(red)
Flashing
On
Possible operating and fault states
Commissioning
•
Restoring the factory setting
•
Parameter download
•
General fault
Bus failure (no data)
Bus failure (searching for baud rate)
Connection established
No connection established
Data transfer active
Ready
Possible operating and fault states
Commissioning
•
Restoring the factory setting
•
Manual parameter download
•
Safety commissioning
Resetting the safety parameters
•
card when switching-on
General fault
Ready
Possible operating and fault states
Bus failure (no data)
Bus failure (searching for baud rate)
CU240S and CU240E Control Units, FW 3.2
Operating Instructions, 03/2009, A5E02440075B AA