Meaning Of The Leds; Description Of The Led Statuses; Behavior Of The Leds During Booting - Siemens SINAMICS Equipment Manual

Control Units
3.2 Control Unit CU320-2 DP (PROFIBUS)
NOTICE
Memory card damage caused by electric fields or electrostatic discharge
Electrical fields or electrostatic discharge may result in the memory card being damaged.
● When removing and inserting the memory card, always observe the ESD regulations.
Note
Data loss when the Control Unit with memory card is returned
When returning a defective Control Unit for repair or testing, the data on the memory card
(parameters, firmware, licenses, etc.) could be lost.
● Do not return the memory card as well, but keep it in a safe place so that it can be inserted
in the replacement unit.
Note
Please note that only SIEMENS memory cards can be used to operate the Control Unit.
3.2.3

Meaning of the LEDs

3.2.3.1

Description of the LED statuses

The different states during power-up and in operation are indicated by the LEDs on the Control
Unit.
● The duration of the individual statuses varies.
● If an error occurs, the booting procedure is terminated and the cause is indicated
accordingly via the LEDs.
● Once the unit has successfully booted up, all the LEDs are switched off briefly.
● Once the unit has booted up, the LEDs are controlled via the loaded software.
3.2.3.2

Behavior of the LEDs during booting

Table 3-26
Red flash‐
ing light 2
40
Load software
LED
RDY COM
Red Orange Orange
Red Red
Red
Hz
Status
OPT
Reset
Off BIOS loaded
Off BIOS error
Comment
Hardware reset
RDY LED lights up red, all other LEDs light
up orange
–
● Error occurred while loading the BIOS
Supplementary component descriptions
Manual, 06/2019