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CP mode / LED display patterns
INTF
EXTF
(red)
(red)
−
Legend:
Firmware download − LED display patterns
The LED display patterns when downloading the firmware are described in Chapter 9.
The "MAINT" LED (yellow)
Notice
When the "MAINT" LED lights up, important error messages and/or diagnostic
interrupts have occurred. The CP continues in RUN mode.
Check the entries in the diagnostic buffer of the device.
CP 443-1 for Industrial Ethernet / Manual Part B
Release 07/2010
C79000-G8976-C223−06
BUSF
RUN
(red)
(green)
−
(colored) on
off
STOP
CP Operating Mode
(yellow)
Starting up (STOP->RUN)
Running (RUN)
Stopping (RUN->STOP)
Stopped (STOP)
In the STOP mode configuring and
performing diagnostics on the CP remain
possible.
STOP with internal error or memory reset.
(for example IP double addressing
detected during startup of the CP in
network)
The following applies in this status:
S
The CPU or intelligent modules in the
rack remain accessible using PG
functions (over MPI or the ISO
protocol).
S
SNMP functionality and access over
HTTP are not possible.
No link (at any port) or duplicate IP
−
address
RUN with external error; One or more IO
devices are not obtainable.
Module fault / system error
(colored) flashing
4 Displays
"−" any
B−21
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