PLC Error Messages S5-115F Manual
Remedy
Error
Identi-
fier
Progr.
Error Message Text Possible Cause
Con-
sec.
No.
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74 01
Configured I/Os not plugged
in or wrong IM306 slot
address
Additional info. 1:
Subunit
Additional info. 2:
I/O module type
Additional info. 3:
Smallest I/O word No.
Error group No. 16
Handling error:
- Module not plugged in
- Module defective
- Wrong address set in IM306
- IM306 defective
Subunit in which the error was
discovered, character display
Relevant I/O module (DI, DQ, AI, AQ
module),
character display
Word address of the first erroneous
I/O module found,
decimal display
- Plug in module
- (if necessary, change
configuration)
- Replace module
- Check addressing in IM306
- Replace IM306
Warm restart:
1. Stop/Run
74 02
Non-configured I/Os are
connected or DB1 is not
available in the user program
Additional info. 1:
Subunit
Additional info. 2:
I/O module type
Additional info. 3:
Smallest I/O word No.
Error group No. 16
Handling error:
- Wrong I/O module plugged in
- Connected I/O modules not fully
configured;
- DB1 not available
Subunit in which the error was
discovered, character display
Relevant I/O module,
character display
Word address of the first erroneous
I/O module found,
decimal display
- Check I/O modules
- Check I/O configuration
- Check DB1
Warm restart:
1. Stop/Run
B-50
EWA 4NEB 811 6149-02
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