Leds On The Cu320-2 Pn Control Unit - Siemens SINAMICS S120 Manual

7.3

LEDs on the CU320-2 PN Control Unit

Description of the LED states
The different states while booting are indicated using LEDs on the Control Unit.
● The duration of the individual states varies.
● If an error occurs, the booting procedure is terminated and the cause is indicated on the
● Once the unit has successfully booted, all the LEDs are briefly switched off.
● Once the unit has booted, the LEDs are controlled via the loaded software.
Behavior of the LEDs during booting
Table 7- 4
Red 2 Hz
Red 2 Hz
0.5 Hz
Orange
Table 7- 5
Cabinet Modules
Manual, 03/2013, A5E03263538A
LEDs.
Load software
LED
RDY DP
Red Orange
Red Red
Red
Red 2 Hz
Red Off
Off Red
Red Red 0.5 Hz
Off
Firmware
LED
RDY DP
Off Off
alternating
State
OPT
Orange Reset
Off BIOS loaded
Off BIOS error
Off File error
Off Firmware
loaded
Off FW checked
(no CRC error)
Off FW checked
(CRC error)
Off Start of
DRIVE-CLiQ
communication
State
OPT
Off Initializing
Running
7.3 LEDs on the CU320-2 PN Control Unit
Comments
Hardware reset
RDY LED lights up red, all other LEDs light
up orange
–
Error occurred while loading the BIOS

CompactFlash card not inserted or

defective
Software has not been installed on the

CompactFlash card or is defective
–
CRC error

Comments
–
See the table below
Diagnostics
351