PLC Error Messages S5-115F Manual
Remedy
Error
Identi-
fier
Progr.
Error Message Text Possible Cause
Con-
sec.
No.
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31 01
Error in other subunit:
Partner or CPU error
Additional info. 1:
Subunit of the original mess.
Error group No. 23
Subunit which discovered the error
- Analyze error message in
partner PLC
Warm restart:
1. POWER OFF/ON
2. Stop/Run
31 02
Contradictory error message:
CPU error
Additional info. 1:
Contents of error DB byte in A
Additional info. 2:
Contents of error DB byte in B
Additional info. 3:
Byte No. in error DB incl.
header
Error group No. 29
Error messages in A and B are
different
Warm restart:
1. POWER OFF/ON
2. Stop/Run
If error not corrected after
repeated POWER OFF/ON:
- Service
31 03
Contradictory error message:
CPU error
Additional info. 1:
Signal group No.
Error group No. 29
Signal group No. in error message
does not match (not ident. 0 to 28)
Warm restart:
1. POWER OFF/ON
2. Stop/Run
If error not corrected after
repeated POWER OFF/ON:
- Service
31 04
Contradictory error message:
CPU error
Error group No. 29
Error identifier byte does not match;
Error cannot be evaluated
Warm restart:
1. POWER OFF/ON
2. Stop/Run
If error not corrected after
repeated POWER OFF/ON:
- Service
B-28
EWA 4NEB 811 6149-02
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