Siemens SIMATIC CN 4100 - Status of the Leds During System Configuration

LED status for error
LEDs After 1s After 2s After 3s After 4s After 5s
RUN x x x x x
STOP x x x x x
Master
Standby
AH failure x x x x x
RL failure x x x x x
COMM failure
7.2.3 Status of the LEDs during system con󹪝guration
Note the LED status during con󹪝guration.
The following tables show the lighting of the respective LED at the respective time (in seconds).
LED status - CPU waiting for con󹪝guration
LEDs After 1s After 2s After 3s After 4s After 5s
RUN x x x
STOP x x x
Master x x
Standby x x
AH failure
RL failure
COMM failure
LED status - CPU starting up
Con󹪝guration data is loaded into the CPU.
LEDs After 1s After 2s After 3s After 4s After 5s
RUN x x x
STOP x x x
Master x x x
Standby x x
AH failure
RL failure
COMM failure
Commissioning
7.2 Phases
CN 4100 Communication System
48 Equipment Manual, 10/2021, A5E50871363-AA