Meaning Of The Leds - Siemens SIMATIC ET 200SP Manual

8.2.2

Meaning of the LEDs

The "F-CM AS-i Safety ST" module has 8 LEDs on the front:
LED "DIAG"
The "DIAG" LED displays the general status of the ET 200SP module
Table 8- 1
"DIAG"
Off
Green flashes
Green ON
Red flashes
The two-color
LED alternately
flashes
red/green
Fail-safe Module F‑CM AS‑i Safety ST (3RK7136‑6SC00‑0BC1)
Manual, 03/2017, A5E03957059020A/RS-AB/002
Meaning of the "DIAG" LED
Meaning
The voltage is not OK.
The F-CM AS-i Safety ST module is not ready for operation.
The module parameters are not assigned.
The F-CM AS-i Safety ST module is parameterized and error-free.
No diagnostic alarms of the F-CM AS-i Safety ST are active.
The F-CM AS-i Safety ST module is parameterized and indicates a diagnostic
fault, or a firmware update is in progress.
The position (ping) is displayed for 3 seconds.
Alarm, fault, and system events
8.2 LED statuses
85