User's Manual

3-20 Chapter 3: Maintenance
5. If the firmware upgrade was unsuccessful, the following screen
displays.
The table below shows the possible errors while upgrading the CBS.
Error Code Description
0 Success
1 an unrecognized failure occurred
3 No DHCP server responded to boot request
4 The TFTP server address is unknown
5 the TFTP server did not reply to request
7 the TFTP server could not find the requested
boot file
8 critical information is missing from the boot
file
9 the TFTP server could not find the requested
image file
10 the new image file and boot file information