Siemens SIMATIC CPU 1515SP PC2 F User Manual

Interrupt, error and system messages
9.1 Status and error display
CPU 1515SP PC2 (F/T/TF)
Operating Instructions, 09/2018, A5E42603425-AA
53
RUN/STOP
LED
ERROR LED
MAINT LED
Meaning
LED lights up
yellow
LED off LED off
Software controller of the CPU is in the operat-
ing state STOP.
LED lights up
yellow
LED flashes
red
LED flashes
yellow
The user program is causing an error.
LED flashes
yellow
LED off LED off
CPU is performing internal activities during
STOP, e.g. ramp-up after STOP.
Loading the user program
LED flashes
yellow/green
LED off LED off
Startup (transition from STOP → RUN)
LED flashes
yellow/green
LED flashes
red
LED flashes
yellow
Startup (CPU booting)
Test of LEDs during startup, inserting a module.
LED flashing test
LED flashes
green
LED flashes
red
LED flashes
red
CPU defective
POWER LED
Table 9- 2 POWER LED
POWER LED
Meaning
LED off
No supply voltage or supply voltage too low
LED lights up yellow
Supply voltage present;
running through BIOS phase;
operating system is shut down
LED green
Supply voltage present;
Booting or operation of the operating system

Siemens SIMATIC CPU 1515SP PC2 F Specifications

General

Brand	Siemens
Model	SIMATIC CPU 1515SP PC2 F
Category	Control Unit
Language	English