Siemens SIMATIC ET 200SP Manual page 28

Interrupts, error messages, diagnostics and system alarms
4.1 Status and error display of the CPU
Meaning of the LED displays
CPU 1510SP-1 PN features an LED for monitoring the supply voltage of the electronics
(PWR) and three LEDs for displaying the current operating and diagnostics status. The
following table shows the meaning of the various combinations of colors for the POWER,
RUN/STOP, ERROR and MAINT LEDs.
Table 4- 1 Meaning of the LEDs
POWER RUN/STOP LED
LED
LED off
LED lit green
LED lit green LED lit green
LED lit green LED lit green
LED lit green LED lit green
LED lit green LED lit green
LED lit green LED lit yellow
LED lit green LED lit yellow
LED lit green LED lit yellow
LED lit green
LED flashes yel-
LED lit green
LED flashes
yellow/green
LED lit green
LED flashes
yellow/green
28
ERROR
LED
LED off LED off
LED off
LED flashes red
LED off
LED flashes red
LED off
LED off
LED off
LED off
LED flashes red
LED off
low
LED off
LED flashes red
MAINT
LED
Missing or insufficient supply voltage on
the CPU.
LED off
An error has occurred.
LED off
CPU is in RUN mode.
LED off
A diagnostics event is pending.
LED off
Maintenance demanded for the plant.
The affected hardware must be
LED lit yellow
checked/replaced within a short period of
time.
Active Force job
PROFIenergy pause
Maintenance required for the plant.
The affected hardware must be
LED flashes yel-
checked/replaced within a foreseeable
low
period of time.
Bad configuration
Firmware update successfully completed.
LED flashes yel-
low
CPU is in STOP mode.
LED off
The program on the SIMATIC memory
card is causing an error.
LED flashes yel-
CPU defective
low
CPU is performing internal activities
during STOP, e.g. startup after STOP.
LED off
Download of the user program from the
SIMATIC memory card
Startup (transition from RUN → STOP)
LED off
Startup (CPU booting)
Test of LEDs during startup, inserting a
LED flashes yel-
module.
low
LED flashing test
CPU 1510SP F-1 PN (6ES7510-1SJ00-0AB0)
Meaning
Manual, 12/2014, A5E35264953-AA