Siemens SIMATIC S5 Manual page 274

PLC Error Messages
Error Con-
Error Message Text
Identi- sec.
fier No.
Progr.
27 01
Error during PL self-test:
PL error
Additional info. 1:
Page No.
Additional info. 2:
Memory address
Additional info. 3:
Current test background
27 02
Error during PL self-test:
PL error
Additional info. 1:
Page No.
Additional info. 2:
Memory address
Additional info. 3:
Current test background
Additional info. 4:
Current check pattern
27 03
Error during PL self-test:
CPU error
Additional info. 1:
Initial address
B-14
Possible Cause
Error group No. 04
PL error during read-after-write-
check of test section of current check
background:
- PL defective
- CPU HW error
Error group No. 04
PL error during read-after-write-
check of the page byte to be tested
- PL defective
- CPU HW error
Error group No. 13
Wrong initial address of current test
section:
- CPU error
S5-115F Manual
Remedy
- Replace PL
- Replace CPU
Warm restart:
1. POWER OFF/ON
2. Stop/Run
- Replace PL
- Replace CPU
Warm restart:
1. POWER OFF/ON
2. Stop/Run
- Replace CPU
Warm restart:
1. POWER OFF/ON
2. Stop/Run
EWA 4NEB 811 6149-02