Siemens SINAMICS V90 Operating Instructions Manual page 317

Two LED status indicators (RDY and COM) are available to indicate drive status. Both LEDs
are dual color (green/red).
You can find detailed information about the status indications in the table below:
Status indicator
RDY
Green
COM
Green
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 09/2015, A5E36037884
Color Status
- Off
Continuously lit
Red Continuously lit
Flash at 1 Hz
- Off
Flash at 0.5 Hz
Flash at 2 Hz
Red Continuously lit
24 V control board power supply is missing
The drive is in the servo on state
The drive is in the servo off state or in the startup state
Alarms or faults occurs
Communication with PC is not active
Communication with PC is active
Micro SD card/SD card operating (read or write)
Communication with PC is in error
Diagnostics
11.1 Overview
Description
317