Siemens SIMATIC S5 Manual page 300
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Also See for SIMATIC S5:
- Manual (360 pages) ,
- Equipment manual (197 pages) ,
- Operating instructions manual (43 pages)
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PLC Error Messages
Error
Con-
Error Message Text
Identi-
sec.
fier
No.
Progr.
49
01
Operating system EPROM
defective:
CPU HW error
Additional info. 1:
Actual signature value
Additional info. 2:
Setpoint signature
B-40
Possible Cause
Error group No. 05
Generated signature of the operating
system EPROM is different to
signature read:
-
Operating system EPROM
defective
Generated signature, hex display
Read signature, hex display
S5-115F Manual
Remedy
-
Replace CPU
Warm restart:
1. POWER OFF/ON
2. Stop/Run
EWA 4NEB 811 6149-02
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