Interrupt, error and system messages
9.1 Status and error display
CPU 1515SP PC2 (F/T/TF)
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Operating Instructions, 09/2018, A5E42603425-AA
Meaning of the LED displays with active S7-1500 Software Controller
The CPU 1515SP PC2 has three LEDs to indicate the current operating state and
diagnostics status.
The following table shows the meaning of the color combinations of the LED displays in
connection with the S7-1500 Software Controller.
Table 9- 1
Meaning of the LED displays
RUN/STOP
LED
ERROR LED
MAINT LED
Meaning
LED off
LED off
LED off
POWER OFF
Starting of the CPU 1515 SP PC2 in "Windows
only" mode
No power supply.
Software Controller of the CPU 1515SP PC2:
•
is not downloaded
•
is in the operating state Power OFF
Use of the hardware LEDs was disabled (con-
figuration via TIA Portal).
LED off
LED flashes
red
LED off
An error has occurred.
LED green
LED off
LED off
Software Controller of the CPU 1515SP PC2 is
in RUN mode.
LED green
LED flashes
red
LED off
A diagnostics event is pending.
LED green
LED off
LED lights up
yellow
Maintenance demanded for the plant.
The affected hardware must be exchanged
within a short period.
LED green
LED off
LED flashes
yellow
Maintenance required for the plant.
You must exchange the affected hardware
within a foreseeable period.
Firmware update successfully completed
Summary of Contents for SIMATIC CPU 1515SP PC2 F
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