Siemens 3RK1308‑0 00‑0CP0 Series Equipment Manual page 166

Alarms/diagnostic messages
8.1 Status and error displays
LED combinations
Table 8- 6 Status displays ST/OL/MAN/PWR
LEDs
ST/OL MAN
(Manual)
(State/
Overload)
Lights up Lights up
for 4 s for 4 s
Flashes Flashes
OFF OFF
Flashes Flashes
at 1 Hz
166
PWR
(Power)
LED/fan test
Lights up
for 4 s
Firmware update active or canceled
Lights up
OFF No supply voltage
Device fault
Lights up
Meaning
Equipment Manual, 11/2019, A5E34821005002A/RS-AC/003
Explanation
All LEDs are switched on for 4 s
(triggered by pressing the blue button).
-
No supply voltage available
A detected undervoltage (in the case of
still functioning electronics) is not
reported as power OFF, but as a fault.
Non-correctable fault detected following
self-diagnostics (contactor contacts,
switching element, etc.).
Remedy: Check the wiring and, if
necessary, replace the device.
Motor starter (3RK1308‑0**00‑0CP0)