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The following table shows the meaning of the various color combinations for the RUN/STOP,
ERROR and MAINT LEDs.
Table 4- 1
Meaning of the LEDs
RUN/STOP LED
LED off
LED flashes
yellow/green
LED lit yellow
LED flashes yellow
LED lit yellow
LED lit yellow
LED flashes
yellow/green
LED flashes yellow
LED lit green
LED lit green
LED lit green
LED lit green
If there is not enough storage space on a SIMATIC Memory Card or on both SIMATIC Memory Cards in RUN-Redundant,
1)
the write function is aborted, and the redundant system continues operation with the original configuration. The redun-
dant system will remain in the RUN-Redundant system state.
CPU 1513R-1 PN (6ES7513-1RL00-0AB0)
Equipment Manual, 05/2021, A5E42009333-AC
ERROR LED
LED off
LED flashes red
LED flashes yellow
LED off
LED lit yellow
LED off
LED lit yellow
LED flashes red
LED flashes yellow
LED off
LED flashes yellow
LED off
LED lit yellow
LED off
LED off
LED lit yellow
LED off
LED flashes red
LED lit yellow
LED flashes red
Interrupts, diagnostics, error messages and system events
MAINT LED
Missing or insufficient supply voltage on the CPU.
LED off
Startup (CPU booting)
Test of LEDs during startup, inserting a module.
LED flashing test
CPU is in operating state STOP.
Completion of system initialization
CPU executes internal activities in an operating
state ≠ RUN-Redundant.
CPU defective
Firmware update using SIMATIC Memory Card has
failed.
Firmware update successfully completed.
The primary CPU is in operating state STARTUP.
The backup CPU is in operating state SYNCUP.
The backup CPU has not yet been restarted for
SYNCUP during this phase.
The CPU performs a warm restart.
LED off
Maintenance demanded for the plant.
You need to check/replace the affected hardware
within a short period of time.
The primary CPU is in the RUN or RUN-Syncup
operating state.
Active Force job
The CPU is in operating state RUN-Redundant.
There are no events, requirements, errors, etc.
LED off
A diagnostic event is pending in operating state
RUN-Redundant.
LED off
A diagnostic event (e.g. failure of an IO device
within the PROFINET ring or no access to SIMATIC
memory card possible
manded (e.g. interruption of the PROFINET ring).
4.1 Status and error display of the CPU
Meaning
) and maintenance is de-
1)
31