Siemens SINAMICS G220 - LED RDY and LED COM

15.1.4 LED RDY and LED COM
Response of the LEDs
RDY COM Description Remedy
Green
Not rele‐
vant
Converter is ready for operation and is fault free. 
Not rele‐
vant
Green
Cyclic communications running. 
Green Green
Possible causes
• Firmware is being updated.
• All user-de󹪝ned settings are reset to the factory
setting.

Green
Firmware update completed
The converter is waiting.
Switch the converter supply voltage o󹪜 and on.
Green
All user-de󹪝ned settings are reset to the factory
setting.

Switch the converter supply voltage o󹪜 and on.
Green
Not rele‐
vant
PROFIenergy energy saving mode is active. 
Orange
Green
Commission or restore factory settings using the
commissioning tool

Orange

Temporary state after the supply voltage is switch‐
ed on: 󹪝rmware being loaded and initialized.

Orange Orange
Possible causes
• Temporary state after the supply voltage is
switched on
• Restart

Orange

Converter detection via DCP 󹪞ashing. 
System messages
15.1LEDs
SINAMICS G220 converter
Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB 737