Siemens 3RK1308‑0 00‑0CP0 Series Equipment Manual page 164

Alarms/diagnostic messages
8.1 Status and error displays
LEDs
RN ER
(RUN) (ERROR)
Not
relevant
Flashes
at ≥ 2 Hz
OFF
On
OFF
Flashes
ST/OL (STATE/OVERLOAD) LED
Table 8- 2 Status display ST/OL
ST/OL LED Motor operating state
Operation
On
STOP
Off
Overload
Flashes
at 0.5 Hz
164
MT
(MAINT)
Not Error
relevant
PROFIenergy active
Flashes
Action required
Flashes
ON command for motor active
The motor is switched off.
It is not known whether the motor is still rotating or not.
The thermal motor model or device protection model has tripped.
Meaning
Equipment Manual, 11/2019, A5E34821005002A/RS-AC/003
Explanation
Group fault
At least one Error alarm has been
transferred to the controller.
Possible causes:
Electronics supply voltage too low or
•
too high
Motor protection disconnection
•
Thermal overload of the
•
ET 200SP motor starter
Missing load voltage, phase
•
failure/missing load
The mechanical rotary interlock is
•
not in the READY position.
-
Ex motor (ATEX): New safety-related
parameters are available for release.
Meaning
Motor starter (3RK1308‑0**00‑0CP0)