Siemens SIMATIC S5 Manual page 304

PLC Error Messages
Error Con-
Error Message Text
Identi- sec.
fier No.
Progr.
53 01
PL access not possible:
PL, CPU HW or IM error
Additional info. 1:
Job No.
Additional info. 2:
Call location parameter
53 02
CPU error
Additional info. 1:
Logical operating system
program counter
Additional info. 2:
Call location parameter
Additional info. 3:
Job No.
53 03
Synchronization of A and B
not possible:
CPU HW or PL error
Additional info. 1:
Logical user program
counter A
Additional info. 2:
Logical user program
counter B
B-44
Possible Cause
Error group No. 01
Continuous READY on PL access,
recognized in job header:
- PL HW error
- CPU HW error
- IM error
Error group No. 13
Job number not defined
- CPU error
Error group No. 23
User LPLZ in A different to B
- CPU error
- PL error
S5-115F Manual
Remedy
- Replace PL
- Replace CPU
- Replace IM
Warm restart:
1. POWER OFF/ON
2. Stop/Run
- Replace CPU
- Service
Warm restart:
1. POWER OFF/ON
2. Stop/Run
On first occurrence of the error:
OVERALL RESET
If the error has not been re-
moved after several OVERALL
RESETs:
- Replace CPU
- Replace PL
- Service
Warm restart:
1. POWER OFF/ON
2. Stop/Run
EWA 4NEB 811 6149-02