Siemens SINUMERIK 828D Series Software And Hardware Service Manual page 126

Service cases - hardware
4.9 Control Unit CU320-2 PN and CU310-2 PN
LED Color
OPT –
(OPTION)
Green
Red
RDY and PN Red
RDY and OPT Orange
Status displays of Ethernet interfaces
The RJ45 sockets are equipped with one green and one yellow LED. As a consequence, the
following information of the PLC I/O interface is displayed based on PROFINET and the LAN
interface:
Name
Link
Activity
126
State Description, cause
Off Electronics power supply is missing or outside per‐
missible tolerance range.
Component is not ready.
Option board not installed or no associated drive
object has been created.
Continu‐ Option Board is ready.
ous light
Flashing Depends on the option board used.
light
0.5 Hz
Flashing At least one fault is present on this component.
light Option Board not ready (e.g. after switch-on).
2 Hz
Flashing Bus fault – communication has been interrupted
light
2 Hz
Flashing Firmware update in progress for connected Option
light Board CBE20.
0.5 Hz
Color State
Green Continuous
light
Off
Yellow Flashing
light
Off
Meaning
10 or 100 Mbit link available
Missing or faulty link
Sending or receiving data
No activity
Service Manual, 08/2018, 6FC5397-5DP40-6BA1
Remedy
Check power supply and/or
component
–
–
Remove the fault and ac‐
knowledge
Correct the fault
–
Software and hardware