Endress+Hauser Proline Promass E 500 PROFINET Operating Instructions Manual page 176

Diagnostics and troubleshooting
176
Error
Not connecting to Web server
Not connecting to Web server,
FieldCare or DeviceCare
Network connection not present or
unstable
Web browser frozen and operation
no longer possible
Content of Web browser
incomplete or difficult to read
No or incomplete display of
contents in the Web browser
Operation with FieldCare or
DeviceCare via CDI-RJ45 service
interface (port 8000)
Flashing of firmware with FieldCare
or DeviceCare via CDI-RJ45 service
interface (via port 8000 or TFTP
ports)
Possible causes
Apart from the active network
connection to the measuring device,
other network connections are also
being used.
Incorrect WLAN access data
WLAN communication disabled
No WLAN network available
WLAN network is weak.
Parallel WLAN and Ethernet
communication
Data transfer active
Connection lost
Not using optimum version of Web
server.
Unsuitable view settings.
• JavaScript not enabled
• JavaScript cannot be enabled
Firewall of computer or network is
preventing communication
Firewall of computer or network is
preventing communication
Proline Promass E 500 PROFINET
Solution
• Make sure that no other network
connections are established by
the computer (also no WLAN)
and close other programs with
network access to the computer.
• If using a docking station for
notebooks, make sure that a
network connection to another
network is not active.
• Check WLAN network status.
• Log on to the device again using
WLAN access data.
• Verify that WLAN is enabled on
the measuring device and
operating device →  83.
–
• Check if WLAN reception is
present: LED on display module
is lit blue
• Check if WLAN connection is
enabled: LED on display module
flashes blue
• Switch on instrument function.
• Operating device is outside of
reception range: Check network
status on operating device.
• To improve network
performance, use an external
WLAN antenna.
• Check network settings.
• Temporarily enable only the
WLAN as an interface.
Wait until data transfer or current
action is finished.
1. Check cable connection and
power supply.
2. Refresh the Web browser and
restart if necessary.
1. Use the correct Web browser
version →  82.
2. Clear the Web browser cache and
restart the Web browser.
Change the font size/display ratio
of the Web browser.
1. Enable JavaScript.
2. Enter http://XXX.XXX.X.XXX/
basic.html as the IP address.
Depending on the settings of the
firewall used on the computer or in
the network, the firewall must be
adapted or disabled to allow
FieldCare/DeviceCare access.
Depending on the settings of the
firewall used on the computer or in
the network, the firewall must be
adapted or disabled to allow
FieldCare/DeviceCare access.
Endress+Hauser