Siemens SINAMICS Equipment Manual page 43

Red flash‐
ing light 2
Red flash‐
ing light 0.5
Table 3-27
Orange
Supplementary component descriptions
Manual, 06/2019
LED
RDY COM
Red flash‐
ing light 2
Hz Hz
Red Orange
Flashing
light
Red Off
Off Red
Red flash‐
ing light 0.5
Hz Hz
Firmware
LED
RDY COM
Off
Alternating
3.2 Control Unit CU320-2 DP (PROFIBUS)
Status
OPT
Off File error
Off FW loading
Off FW loaded
Off FW checked
(no CRC error)
Off FW checked
(CRC error)
Status
OPT
Off Initializing
Running
Comment
● Memory card not inserted or defective
● Software on memory card not present or
corrupted
RDY LED lights up red, COM LED flashes
orange without fixed frequency
–
–
● CRC invalid
Comment
–
See the table below
Control Units
41