GE Multilin G650 Manual page 393

12.1 SYMPTOMS AND RECOMMENDED ACTIONS
CATEGORY
Communications
12
Communication
Firmware and bootware upgrade
Bootware
12-2
SYMPTOM POSSIBLE CAUSE
Cannot see properly Disabled Java options in Advanced
the web server in
Internet Explorer properties or high
G650 with Windows level of security
XP.
Some windows are in
grey with a red cross
mark.
Enervista 650 Setup Bad communication in TFTP using
does not retrieve osc, Windows 2000
fault reports and Data
Logger files
The relay gets stuck - The relay does not communicate via
during the upgrading the front RS232 port
process after switching
off and on the relay,
giving the following
error message:
"ERROR Setting relay
in configuration mode.
Retry?
G650 Generator Protection & Control System
12 G650TROUBLESHOOTING GUIDE
RECOMMENDED ACTION
1.- Go to Advanced in Internet options
for Internet explorer and select the
three selections in Microsoft VM (Java
Virtual Machine) and deselect any
other virtual machine not Microsoft, for
example SUN.
In case Microsoft VM is not installed in
the computer, the user must install it
using the Microsoft VM installation
program msjavx86.exe
For internet explorer 6.0 or higher it is
not included by default.
2.- Try to set a lower level of security in
internet explorer options.
3.-Delete temporary internet files in
"General" screen in internet explorer
options.
Disable and Enable the Ethernet
connection on Control Panel inside
Windows 2000. Try again to retrieve
files from relay
To perform the bootware upgrading
process it is necessary to connect the
unit thought the front RS232 port.
check:
• Serial cable correct(straightthrouhg)
and undamaged.
• Settings selection in Enervista 650
Setup Communication>Computer
Settings":
o Com port selected must be the
one that is being used to perform
this procedure
o Parity set to NONE
o Baudrate set to 19200
o Control type: No control type
o Modbus slave number: any
Note: if the bootware upgrading
procedure got stuck at this point
the relay will not be upgraded. After
switching it off and on will continue
working with the former firmware
and bootware versions.
GEK-113285A