PLC Error Messages S5-115F Manual
Remedy
Error
Identi-
fier
Progr.
Error Message Text Possible Cause
Con-
sec.
No.
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108 01
Non-defined interrupt:
CPU HW or handling error
Error group No. 1
Interrupt >< ZYK, NAU, INTERRUPT
INTA-N
- CPU HW error
- Non-defined interrupt in CPU
- Replace CPU
- Impermissible module
connected (intelligent I/Os)
Warm restart:
1. POWER OFF/ON
2. Stop/Run
108 02
Power failure in central rack
Error group No. 18
- Check power supply
Warm restart:
1. Stop/Run
108 03
Configured scan time
exceeded
Additional info. 1:
Configured scan time/
10 msec.
Additional info. 2:
Actual scan time/10 msec.
Error group No. 21
- Endless loop in user program
- Configured scan time too short
Setpoint scan time, decimal display
Actual scan time, decimal display
- Remove program errors
- Increase configured scan time
( Vol. 1, 10.4 of the Manual)
CAUTION:
Value requires authorization
Warm restart:
1. POWER OFF/ON
2. Stop/Run
108 04
Stack overflow during
interrupt processing:
Handling error
Additional info. 1:
Current stack pointer
Additional info. 2:
Maximum stack pointer
Error group No. 16
- Interrupt signal frequency too
high
- Check interrupt signal sensor
Warm restart:
1. POWER OFF/ON
2. Stop/Run
B-66
EWA 4NEB 811 6149-02
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