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

Diagnostics

8.2 LEDs on the CU320-2 DP Control Unit

8.2 LEDs on the CU320-2 DP Control Unit
Description of the LED states
The different states while booting are indicated by 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
LEDs.
● 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 8- 1
RDY
Red 2 Hz
Red 2 Hz
0.5 Hz
Table 8- 2
RDY
Orange
266
Load software
LED
COM
Red Orange
Red Red
Red
Red 2 Hz
Red Orange flash-
ing light
Red Off
Off Red
Red Red 0.5 Hz
Firmware
LED
COM
Off
Alternating
State
OPT
Orange Reset
Off BIOS loaded
Off BIOS error
Off File error
Off FW loading
Off Firmware load-
ed
Off FW checked
(no CRC error)
Off FW checked
(CRC error)
State
OPT
Off Initializing
Running
Comments
Hardware reset
RDY LED lights up red, all other LEDs light
up orange
–
Error occurred while loading the BIOS
•
Memory card not inserted or faulty
•
Software on memory card not present
•
or corrupted
RDY LED lights up red, COM LED flashes
orange without fixed frequency
–
CRC error
•
Comments
–
See the table below
Cabinet Modules liquid cooled
Manual, 10/2015, A5E37067587A