Siemens SIMATIC S5 Manual page 276
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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.
28
03
Error during self-test of I/O
type 3 DI modules in A:
I/O module error
Additional info:
Compare consec. No. 02
28
04
Error during self-test of I/O
type 3 DI modules in B:
I/O module error
Additional info:
Compare consec. No. 02
28
05
Error during DQ test in A and
B; restart. I/O type 9, 10;
Cycle: type 10
Additional info 1
DQ byte No.
Additional info 2
R DI byte No.
Additional info 3
Bit no.
B-16
Possible Cause
see consec. No. 02
see consec. No. 02
Error group No. 10
I/O module test individual error
Error group No. 08
I/O error burst
(only in the case of CPU 942-7UF13
with I/O ETV 3 or 4)
DQ I/O test error:
-
DQ or readback DI module
defective
-
Wiring fault
Byte No. for DQ module:
Decimal display
Byte No. for readback DI module:
Decimal display
Decimal display
S5-115F Manual
Remedy
see consec. No. 02
see consec. No. 02
-
Replace module; either DQ or
readback DI module
defective; if there is no
subunit message, either A or B
defective
-
Check wiring
Warm restart in the case of
individual error and signal group
No. 0 (Stop mode):
1. Stop/Run
Warm restart in the case of
individual error and signal group
No.1 to 28
(passivation):
a) Test mode
1. POWER OFF/ON
2. Stop/Run
b) Safety mode
1. OVERALL RESET
Warm restart in the case of error
burst:
1. POWER OFF/ON
2. Stop/Run
This does not cancel passivation.
To do so, see above: Warm
restart in the case of passivation.
EWA 4NEB 811 6149-02
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