LED
Meaning
State
Description
ERROR or L2
(SF PROFINET LED)
-
Off
SIMOTION P320-4 is working error-free.
Error
Red: Continuous
light
Bus error at the PROFINET interface.
Red: Flashes quick‐
ly
(2 Hz)
Erroneous configuration.
Red: Flashes quick‐
ly
(5 Hz)
FAULT state
(only in combination with L1 und L3)
INIT
Red:
Flashes slowly
(0.5 Hz)
During the INIT process, the SF PROFINET LED is con‐
trolled by the boot loader.
The precise flashing behavior therefore cannot be de‐
termined and displayed.
In the INIT state, 0.5 Hz flashing is displayed in the SI‐
MOTION P State.
If no project has yet been loaded, 0.5 Hz flashing is also
displayed for the INIT, which, in this case, is also re‐
tained in the Running state.
MAINT or L3
(SF LED)
-
Off
SIMOTION P320-4 works error-free.
Error
Red
An event has occurred which needs to be acknowledged
(alarm, message, notification).
(See Diagnostics Guide)
Red:
Flashes slowly
(0.5 Hz)
License missing for licensed technology objects.
Carry out the licensing to correct the error.
Further information on the licensing can be found in the
SIMOTION P320-4 E / SIMOTION P320-4 S Commis‐
sioning and Hardware Installation Manual.
Red: Flashes quick‐
ly
(5 Hz)
FAULT state
(only in combination with L1 and L2)
A fault has occurred to which the user program cannot
respond.
The following actions may be required to rectify the fault:
● Power OFF/ON
● Recommissioning
Interfaces
5.4 Status displays
SIMOTION P320-4 E / P320-4 S
92
Manual, 03/2018, A5E36004933B