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