Error and system messages
4.1 LED displays on the interface module
IM151-1 FO STANDARD interface module (6ES7151-1AB05-0AB0)
36
Manual, 02/2010, A5E01075965-03
Error code
Error type
(BF)
Error location
(SF/BF)
Cause
Remedy
1
01 to 63 (slot) Communication interruption
Displays the first slot at which no I/O
module is recognized.
Missing I/O module during
POWER ON or several I/O
modules are missing during
operation.
Interruptions at the rear panel bus
Short-circuit at the rear panel bus
("01" is output as the slot)
Terminating module missing
If the termination module is
missing, the number of inserted
I/O m 1 is output (if there
is no set configuration)
Check the configuration of the
ET 200S.
2
01 to 63 (slot) Termination module not recognized
This error type is output if there is a
set configuration and the slot at which
an I/O module is no longer
recognized is equal to (number of
modules of the set configu1).
Mount the terminating module.
3
01 to 63 (slot) I/O module
The configured structure of the ET
200S does not match the actual
structure of the ET 200S. The first
slot that displays a configuration error
(missing module, incorrect module
module fault) is displayed.
This error is only output if the
parameter "Operation at preset <>
actual configuration" is locked.
Check the structure or the
configuration of the ET 200S,
whether a module is missing or
defective, or whether an
unconfigured module has been
inserted.