turck IO-LINK MASTER User Manual page 36

Status displays and diagnostic messages
Table 8: LED
LEDs descrip-
tion
RUN
U
B
U
L
LEDs
0, 2,
4, 6
LEDs
1, 3,
5, 7
D301171 - IO-Link master 1108
Status Meaning
ON Device in Operational State
OFF Firmware error
ON Operating voltage ok
OFF Operating voltage below
defined tolerances
4 Hz Operating voltage above
defined tolerances
ON Load voltage ok
OFF Load voltage below defined
tolerances
4 Hz Load voltage above defined
tolerances
OFF Port in SIO-mode, but no
input signal at PIN 4
Green IO-Link-mode, no error
Green, Diagnostic message at port:
flashing, Port in SIO-mode:
0,5 Hz – no power supply or overcur-
and rent at port
ERR Port in IO-Link mode:
Red, – no power supply or overcur-
flashing rent at port
0,5 Hz – wire break, parameter error
or error at the connected
device
Yellow Port in SIO-mode: active input
signal at PIN 4
OFF PIN 2: no input signal
Yellow PIN 2: active input signal
Remedy
-
– The watchdog function of the
device initializes a reset
(undefined flashing possible)
– If the error remains, the
device has to be changed.
Please contact your TURCK
contact person.
-
– Check the voltage supply at
the device or at the used
power supply unit
-
– U is not used in the device.
L
It is only provided for an
eventual transmission.
– Check the voltage supply at
the device or at the used
power supply unit
-
-
3
3-11