Siemens FN2012-A1 Mounting & Installation page 28

Indicators
7
Function indicator
FW Update Failed
Checksum Failed
Fatal FAULT
Function indicator
Search Manager
Manager
Claim Manager
28 | 34
Building Technologies
Siemens Industry, Inc.
Possible troubleshooting steps
● The Ethernet switch attempts to re-establish the connection in order to load the
FW.
● Restart the FW update via Desigo Fire Safety Works.
● Restart the FW update via Desigo Fire Safety Works.
● Perform a reset. If that does not work, there is a hardware fault.
● Replace the Ethernet switch. Check whether any other fault messages are being
displayed in the FS20 system.
Table 3: Troubleshooting
Function indicators for the RM LED (redundancy manager)
Within each MRP ring, there has to be a master Ethernet switch. All the other
1
Ethernet switches must perform the role of clients.
Meaning
Ethernet switch is
being initialized
System is looking for
MRP manager
Topology has
changed because
Ethernet ring
participants have
been added or
removed
Ethernet switch has
been configured as
the manager and is
performing the ring
manager role
Ethernet switch is
acting as the manager
but has not been
configured to perform
this role
RM LED flashing pattern (every 2 s)
0 125 250 375 500 625 750
0 125 250 375 500 625 750
0 125 250 375 500 625 750
875 1000 1125 1250 1375 1500 1625 1750 1875
875 1000 1125 1250 1375 1500 1625 1750 1875
875 1000 1125 1250 1375 1500 1625 1750 1875
A6V10407862_d_en_--
t
[ms]
t
[ms]
t
[ms]
2018-09-07