S5-115F Manual PLC Error Messages
Remedy
Error
Identi-
fier
Progr.
Error Message Text Possible Cause
Con-
sec.
No.
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56 01
I/O modules cannot be
accessed:
I/O module or IM error
Additional info. 1:
I/O word No.
Error group No. 19
QVZ during access of the I/O module
(short test):
- Module defective
- Wrong address on the IM306
- IM306 defective
Word address at which the QVZ was
detected,
decimal display
- Replace module
- Check addressing
- Replace IM306
Warm restart:
1. Stop/Run
58
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01
PL cannot be accessed:
PL or CPU HW error
Additional info. 1:
No. before processed program
Additional info. 2:
Data pointer
Error group No. 01
QVZ during access of PL:
- PL defective
- CPU HW error
- Replace PL
- Replace CPU
Warm restart:
1. POWER OFF/ON
2. Stop/Run
EWA 4NEB 811 6149-02
B-49