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Error Diagnostics
5.1.4
Error Messages When Using Memory Submodules
(only in the case of CPU 943/944)
A flashing red LED (STOP LED) indicates errors when memory submodule blocks are loaded into
the internal RAM. The cause of error is stored in system data word 102.
Table 5-8. Error when Using Memory Submodules (CPU 943 and CPU 944)
Cause of Error
Invalid memory submodule.
Faulty contents of
memory submodule.
More than 48 Kbytes have
been programmed for the
375-1LA61 memory sub-
module.
Only in the case of CPU 944:
More than 96 Kbytes have
been programmed for the
375-1LA71 memory sub-
module.
All blocks cannot be copied.
Only in the case of CPU 944:
More than 48 Kbytes have
been programmed in data
blocks intended for memory
bank 1.
User program operations
TNB, TIR or TDI have over-
written block headers or free
memory space.
Note
A maximum of 48 Kbytes can be used in the case of the memory submodule
6ES5 375-1LA61.
5-10
Display
Display
in
in
SD 102
ISTACK
(EACC)
URLAD
Use the appropriate submodule.
F002
H
ASPFA
F003
URLAD
Delete and reprogram the submodule.
H
Shorten program.
F001
URLAD
H
F001
URLAD
The internal memory already contains
H
blocks. Check to see if these blocks are
needed. Delete the blocks or optimize
the program.
Shorten the data blocks.
F004
URLAD
H
See Table 5-7.
0000
NINEU
H
SYNFEH
S5-115U Manual
Remedy
EWA 4NEB 811 6130-02b
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