Siemens SINAMICS S120 - Control Unit 320 (CU320)

Diagnosis
Diagnostics using LEDs
6-191
E Siemens AG, 2004. All rights reserved
SINAMICS S120 Installation and Start-Up Manual, 12/04 Edition
6.1.1 Control Unit 320 (CU320)
LEDs while the Control Unit is booting
The individual statuses during the booting procedure are indicated by means of the
LEDs on the Control Unit.
S The duration of the individual statuses varies.
S If an error occurs, the booting procedure is terminated and the cause is
indicated accordingly via the LEDs.
S Once the unit has been successfully booted, all the LEDs are switched off
briefly.
S Once the unit has been booted, the LEDs are driven via the loaded software.
Refer to the description of the LEDs after booting (see table 6-2).
Table 6-1 Control Unit 320 – description of the LEDs during booting
Load software 1 Load software 2 Firmware
LED Reset Error Loaded Running Error
file
Error
crc
FW
loaded
Initiali-
zing
Running
RDY Red
Red
2 Hz
OFF OFF OFF OFF OFF OFF
DP1 Red Red Red Orange
Red
2 Hz
Red
0.5 Hz
OFF OFF
See
OPT Red Red Red Red Red Red Red OFF
See
table 6-2
MOD OFF OFF OFF OFF OFF OFF OFF OFF
Possible causes:
S CompactFlash Card not installed.
S Load software 2 has not been installed on the CompactFlash card or
is defective.
S Software on the CompactFlash card
is incomplete or defective.
S CRC invalid.
Remedy:
Plug the appropriate CompactFlash card with the correct software and
parameters into the unit.