Siemens SIMATIC ET 200SP Manual page 34

LK1/LK2 and MT1/MT2 LEDs on the BusAdapter
Table 6- 2 Status and error displays
LED
LK1/LK2 MT1/MT2
Not relevant
off
Not relevant
on
Not relevant
flashes
Not relevant
Not relevant
BusAdapter
Manual, 03/2018, A5E41449003-AA
There is no Ethernet connection
between the PROFINET IO interface
of your PROFINET device and a
communication partner, e.g. IO con-
troller.
There is an Ethernet connection
between the PROFINET IO interface
of your PROFINET device and a
communication partner, e.g. IO con-
troller.
The "Node flash test" is running. The
RN/ER/MT LEDs are also flashing.
No error
off
Fiber-optic error
•
on
Maintenance demanded: attenua-
•
tion through the fiber-optic cable
is already so high that operation
will soon no longer be possible.
Meaning
Check whether the bus cable to the switch or
IO controller is disconnected.
-
-
-
Causes and measures for the transmission
route:
•
•
•
•
BusAdapter BA 2xSCRJ
Remedy
Replace the fiber-optic cable if damaged
or aged.
Ensure correct installation of the
PROFINET plugs or PROFINET connect-
ors.
Adhere to maximum length of 50 m for
POF cable or 100 m for PCF cable.
Ensure that the FOC connectors fit se-
curely.
6.3 Diagnostics
33