Status And Error Displays Of 31Xc Cpus - Siemens SIMATIC S7-300 Hardware And Installation Manual

CPU status and error displays
Display for CPU 31x:
SF (red) hardware or software error
BATF (red) battery error (not CPU 312-IFM)
DC5V (green) the 5V-supply for CPU and S7-300C-Bus is ok.
FRCE (yellow) force request is active.
RUN (gr een) CPU in RUN; LED flashes in Startup with 2 Hz; in HALT with 0,5 Hz.
STOP (yellow)
Display for CPU 31xC and 31xC-2:
SF (red) hardware or software error
BUSF (red) Bus error (only CPU 31xC-2-DP))
DC5V (green) the
FRCE (yellow) force request is active.
RUN (green) CPU in RUN; LED flashes in Startup with 2 Hz; in HALT with 0,5 Hz.
STOP (yellow)
Additional display for CPU 315-2DP and CPU 316-2DP:
BUSF (red) hardware or software error
Additional display for CPU 318-2:
BUS1F (red) hardware or software error
BUS2F (red) hardware or software error
Figure 10-2 Status and error displays of 31xC CPUs
S7-300 Programmable Controller Hardware and Installation
A5E00105492-01
Testing functions, Diagnostics and Fault Elimination
CPU in STOP or in HALT or Startup; LED flashes on
5V-supply for CPU and S7-300 C-Bus is ok.
CPU in STOP or in HALT or Startup; LED flashes on
on PROFIBUS interface
on interface1
on interface 2
reset prompt
reset prompt
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