CPU 1515R-2 PN (6ES7515-2RN03-0AB0)
Equipment Manual, 11/2022, A5E42009914-AD
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Interrupts, diagnostics, error messages and system
events
5
5.1 Status and error display of the CPU
The LED displays of the CPU are described below.
You can find more detailed information on "Interrupts" in the STEP7 online help.
You can find additional information on the topic of "Diagnostics" and "System events" in the
Diagnostics (https://support.industry.siemens.com/cs/ww/en/view/59192926) function
manual and in the system manual S7-1500R/H redundant system
(https://support.industry.siemens.com/cs/ww/en/view/109754833).
You can find additional information on the topic of "Operating states and system states" as
well as various failure scenarios in the system manual for S7-1500R/H redundant system
(https://support.industry.siemens.com/cs/ww/en/view/109754833).
LED display
The figure below shows the LED displays of the CPU1515R‑2PN.
① RUN/STOP LED (yellow/green LED)
② ERROR LED (red LED)
③ MAINT LED (yellow LED)
④ LINK RX/TX LED for port X1P1 (yellow/green LED)
⑤ LINK RX/TX LED for port X1P2 (yellow/green LED)
⑥ LINK RX/TX LED for port X2P1 (yellow/green LED)
⑦ STOP-ACTIVE LED
Figure 5-1LED displays of the CPU1515R‑2PN (without front panel and display)