Siemens SIMATIC PCS 7 CPU 410-5H

Special functions of the CPU 410-5H
9.3 Resetting the CPU410-5H to factory settings
CPU 410-5H Process Automation
142 System Manual, 09/2014, A5E31622160-AB
LED patterns during CPU reset
While you are resetting the CPU to its factory settings, the LEDs light up consecutively in the
following LED patterns:
Table 9- 3 LED patterns
LED
LED pattern 1
LED pattern 2
INTF
Flashes at 0.5 Hz
Lit
EXTF
Dark
Dark
BUSxF
Dark
Dark
MAINT
Dark Dark
IFMxF
Dark
Dark
RUN
Dark Dark
STOP
Dark
Dark