Fuji Electric OPC-PRT - Page 115

114
Problem
Symptom
Solution
Unable to control
the inverter via
network
communications
Writing to command
and frequency
function
codes/registers has
no apparent effect
on inverter operation
• Confirm that the applicable inverter function codes
are set to allow network control (refer to section
3.1).
• If using the inverter’s terminal c ontacts, refer to the
inverter’s instruction manual to determine the
appropriate behavior and priority.
XML socket
connection failed
Message on a web
server tab
information window
TCP port 843 is blocked by a firewall, router or some
other intermediate network equipment.
New web server
content not loading
after web server
update
Old web server
content is displayed
The internet browser has cached the old web server
content. Clear the internet browser’s cache before
attempting to load the new web server content.
W eb page does not
display properly
Corrupt web server
or outdated flash
player plugin
• Ensure that USB and FTP are disconnected.
• Download and install the latest flash player plugin
from Adobe.
• Delete the “W EB” folder from the c ard’s file system
and copy a valid default “WEB” folder to the card’s
file system.
Studio cannot
discover the card
The studio does not
display the card
under “Online
Devices”
• Confirm that the card is running normally and
connected via USB or to the local Ethernet network.
It is preferable to c onnect via USB as there are
scenarios in which the Ethernet discovery is not
available or is disabled.
• Confirm that the module and network status LEDs
blink the green/red startup sequence when power is
first applied.
• Add the studio as an exception to the computer’s
firewall.
• Add UDP port 4334 as an exception to the firewall.
• Temporarily disable the computer’s firewall.
Studio cannot
access file system
The studio displays
an error when
uploading and
downloading the
configuration.
If the studio continually displays an error regarding
access to the file system, the card’s file system may be
corrupt. Please format the card’s file system and then
restore the configuration (refer to section
5.8). If the file
system cannot be formatted, please contact technic al
support for additional assistance.
Firmware-
generated error
“MODULE STATUS”
LED is flashing red.
The number of times
the LED flashes
indicates an error
code.
Record the error code blinking pattern and contact
technical support for further assistance.