95
9 TROUBLESHOOTING
Although by no means exhaustive, Table 19 provides possible causes behind some of the most common
errors experienced when using the interface card.
Table 19: Troubleshooting
Problem
Symptom
Solution
No communications
between the
interface card and
the inverter
Inverter displays
“Er4” code
•
Confirm that the interface card connector is
properly seated.
•
Rebooting the interface card via the Fuji Finder
application disrupts the communication with the
inverter. Reset the fault.
No communications
between the
network and the
interface card
Communications
cannot be
established, or the
Ethernet port’s
“LNK/ACT” LED
flashes only
infrequently or not at
all
•
Confirm that the destination IP address
programmed into the controller equipment or
computer matches that of the interface card, as
displayed by the finder utility.
•
Confirm that intermediate firewalls or routers have
been configured to allow access to the interface via
the applicable TCP/UDP ports.
•
If attempting to access the web server on a
computer whose web browser is configured to use
a proxy server, ensure that the proxy server is
accessible to the computer, and that the interface
card is accessible to the proxy server.
Firmware-
generated error
“MODULE STATUS”
LED is flashing red
with an “x-y-z” 3-
blink sequence. The
number of LED
flashes indicates an
error code.
Contact technical support for further assistance.
XML socket
connection failed
Message on a web
server tab
information window
TCP port 2000 is blocked by a firewall, router or some
other intermediate network equipment.
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).
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]