Status And Error Messages Of The Im - Siemens SIMATIC ET 200M Manual

IM 153-2
Table 6-6

Status and error messages of the IM 153-2

IM 153-2AA02/-2AB01 IM 153-2Bx00
SF SF
BF BF
ACT
ON
ACT
ON
LEDs
SF BF ACT ON
Off Off Off Off There is no voltage applied to the
IM 153-2, or the IM 153-2 has a
hardware defect.
* * * On There is voltage applied to the IM
153-2. IM 153-2 is in operation.
On Off Off Off IM 153-2 is in hardware reset
following power on
On On On On Hardware test following power on
On On Off Off Operating system update is running
Off Off Off Operating system update has been
Flashes
0.5Hz completed successfully (remove
MMC and switch on IM 153-2)
On Off Off External fault; e.g. unsuitable
Flashes
0.5Hz operating system or MMC has been
removed
On Off Off Internal fault; e.g. during writing of the
Flashes
2Hz update files
* Off On The IM 153-2 is incorrectly
Flashes
parameterized – there is no data
transfer between the DP master and
the IM 153-2.
Causes:
S
S
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
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SF (group fault):
BF (fault at PROFIBUS):
ACT (active module in redundancy mode):
ON (supply voltage available):
Meaning
The PROFIBUS address is
incorrect
Faults on the bus.
Commissioning and Diagnostics
red
red
yellow
green
What to Do
Switch on the power supply module
or change the IM 153-2.
–
–
–
–
–
Use a suitable operating system for
the update.
Do not remove the MMC during the
update.
Repeat the update procedure.
If the LEDs indicate the fault again,
the internal memory is faulty.
S
Check the IM 153-2.
S
Check the configuration and
parameter assignment.
S
Check the PROFIBUS address on
the IM 153-2 and in the STEP 7
project.
S
Check the cable length with
respect to the baud rate.
S
Check the terminating resistor
settings.
6-11