Siemens SINAMICS S220

LEDs Description, cause Remedy
RDY1 DC LINK  
Red
–
1)
This component has at least one fault.
Remark:
The LED is controlled irrespective of the corresponding mes‐
sages being recon󹪝gured.
Resolve and acknowledge
the fault.
Red/Green
(0.5Hz)
–
1)
Firmware is being downloaded. –
Red/Green
(2Hz)
–
1)
Firmware download is complete. The system waits for POWER
ON.
Carry out a POWER ON.
Orange/
Green
or
Orange/Red
(2Hz)
–
1)
Component recognition via LED is activated by the commis‐
sioning tool (parameter p0124).
Remark:
The colors of the 󹪞ashing LED depend on what status the LED
had on activation (setting of parameter p0124 to "1").
–
1)
Irrespective of the status of the LED "DC LINK"
Smart Line Modules
7.5LED description
Booksize power units
Equipment Manual, 09/2023, A5E53307519B AA 121