Siemens CP 343-1 User Manual page 15

LEDs for displaying the mode
The different combinations of the LEDs on the front panel indicate the status:
SF(red) BF (red)
−
−
−
Legend: (colored) on
CP 343-1 Lean for Industrial Ethernet / Manual Part B3L
Release 03/2007
C79000-G8976-C198-04
RUN STOP
(green) (yellow)
− −
−
−
off (colored) flashing
CP Operating Mode
S
Starting up after power "ON"
or
S
Stopped (STOP) with errors
In this state, the CPU or intelligent
modules in the rack remain accessible
using PG functions.
Starting up (STOP->RUN)
Running (RUN)
Stopping (RUN->STOP)
Stopped (STOP)
In the STOP mode configuring and performing
diagnostics on the CP remain possible.
S
No LAN cable plugged in
or
S
Duplicate IP address detected
The CP is configured as a PROFINET IO
device; there is no data exchange with the
PROFINET IO controller
Module fault / system error
Downloading firmware.
Firmware was successfully downloaded.
Firmware could not be downloaded.
"−" any
4 Displays
B3L−15