Siemens FS720 Commissioning, Maintenance, Troubleshooting page 144

Updating the firmware
22
Updating the FW of Ethernet switch (modular) FN2012-A1
Function display Meaning
Normal Operation Normal operation
FW Update Mode Ready for firmware update
FW Update Ethernet switch is loading
Running firmware
FW Update Failed FW update could not be
completed, network
connection may be
interrupted
Checksum Failed
The FW checksum is not
correct
Fatal FAULT Ethernet switch generates
another fault
Function display
FW Update Failed
Checksum Failed
Fatal FAULT
144 | 178
Building Technologies
Fire Safety
Updating the firmware with the Reset button on the device
w The FN2012-A1 has a valid IP address within the sub-net.
w The PC has access to the FN2012-A1 / is located within the same sub-net as
the FN2012-A1.
w The FN2012-A1 is connected to a sub-net containing at least one station.
w Cerberus-Engineering-Tool is switched on.
w 'Cerberus-Engineering-Tool' is connected to the sub-net.
w The FN2012-A1 is not in repeater mode (rotary switch position 'E').
1. Start the firmware update in Cerberus-Engineering-Tool:
– Select the 'Update' > 'FW update main CPU'' menu item.
– Select the required firmware version in the 'Update package:' field.
– Select 'Initiate update at station'.
2. Hold down the Reset button on the FN2012-A1 for 10 seconds.
a After 5 s, the FAULT LED switches on.
a After 10 s, the FAULT LED switches off.
a The firmware of the FN2012-A1 is updated.
a The FAULT LED on the FN2012-A1 shows the status of the firmware update.
Function displays of the FAULT-LED
FAULT-LED flashing pattern (every 2 sec.)
Table 5: FAULT-LED flashing pattern
Possible troubleshooting actions
● Ethernet switch tries to establish the connection again to load the FW.
● Restart the FW update via Cerberus-Engineering-Tool.
● Restart the FW update via Cerberus-Engineering-Tool.
● Carry out a reset. If unsuccessful, there is a hardware fault.
● Replace Ethernet switch. Check whether other error messages are displayed
in the FS720 system.
Table 6: Troubleshooting
0 125 250 375 500 625 750
0 125 250 375 500 625 750 875 1000 1125 1250
0 125 250 375 500 625 750 875 1000 1125 1250
0 125 250 375 500 625 750 875 1000 1125 1250
0 125 250 375 500 625 750 875 1000 1125 1250
0 125 250 375 500 625 750 875 1000 1125 1250
875 1000 1125 1250 1375 1500 1625 1750 1875
1375 1500 1625 1750 1875
1375 1500 1625 1750 1875
1375 1500 1625 1750 1875
1375 1500 1625 1750 1875
1375 1500 1625 1750 1875
A6V10210416_j_en_--
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2018-08-29