Siemens SIMATIC S5 Manual page 298

PLC Error Messages
Error Con-
Error Message Text
Identi- sec.
fier No.
Progr.
47 01
Error during test of processor
RAM:
CPU HW error
Additional info. 1:
Check byte address
Additional info. 2:
Setpoint contents check byte
Additional info. 3:
Actual contents check byte
47 02
Error during test of processor
RAM:
CPU HW error
Additional info. 1:
Environment byte address
Additional info. 2:
Check byte address
Additional info. 3:
Setpoint contents
environment byte
Additional info. 4:
Actual contents
environment byte
Additional info. 5:
Contents check byte
B-38
Possible Cause
Error group No. 02
Internal µP8032 RAM,
Error during read-after-write check
of test byte:
- CPU HW error
Error group No. 02
Internal µP8032 RAM:
Error during read-after-write check
of environment byte
- CPU HW error
S5-115F Manual
Remedy
- Replace CPU
- Service
Warm restart:
1. POWER OFF/ON
2. Stop/Run
- Replace CPU
- Service
Warm restart:
1. POWER OFF/ON
2. Stop/Run
EWA 4NEB 811 6149-02