Siemens SIMATIC S5 Manual page 316

PLC Error Messages
Error Con-
Error Message Text
Identi- sec.
fier No.
Progr.
101 01
Different user memory
submodules in A and B:
Handling error
Additional info. 1:
Submodule identifier of A
Additional info. 2:
Submodule identifier of B
101 02
Different operating system
EPROM versions in A and B:
Handling error
Additional info. 1:
Signature in A
Additional info. 2:
Signature in B
B-56
Possible Cause
Error group No. 24
- Mixed RAM, EPROM or EEPROM
- Submodules of different lengths
used
- Memories of different internal
organization used
Error group No. 05
Different operating system signa-
tures in the subunits:
- Different operating system
versions
- OS EPROM changes
S5-115F Manual
Remedy
- Use the same user memory
submodule type for both
subunits (memory word,
memory length, memory
design)
Warm restart:
1. POWER OFF/ON
2. Stop/Run
- Use the same operating
system versions in both
subunits (service)
Warm restart:
1. POWER OFF/ON
2. Stop/Run
EWA 4NEB 811 6149-02