Alarm, Error And System Messages; Status And Error Display Of The Cpu - Siemens SIMATIC S7-1500R/H Equipment Manual

Alarm, error and system messages

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 STEP 7 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 Redundant System S7‑1500R/H
(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 CPU 1518HF‑4 PN.
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
Figure 5-1 LED display of CPU 1518HF‑4 PN (without front panel)
CPU 1518HF-4 PN (6ES7518-4JP00-0AB0)
Equipment Manual, 11/2022, A5E49868646-AB
RUN/STOP LED (yellow/green LED)
ERROR LED (red LED)
MAINT LED (yellow LED)
LINK RX/TX LED for port X4 P1 (yellow/green LED)
LINK RX/TX LED for port X5 P1 (yellow/green LED)
No function
LINK RX/TX LED for port X1 P1 (yellow/green LED)
LINK RX/TX LED for port X1 P2 (yellow/green LED)
LINK RX/TX LED for port X3 P1 (yellow/green LED)
LINK RX/TX LED for port X2 P1 (yellow/green LED)
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