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T
roubleshooting
Operations on the inverter to identify and address any faults may only be performed by the
installer or by qualified personnel.
W
eb User Interface and wireless communication troubleshooting
The following table gives a list of main and most common errors or problems relating to the
wireless communication between inverter and user devices.
Problem
The Web User Interface cannot be
accessed.
The inverter is able to identify a
wireless network but is unable to
connect to it.
The Inverter has not identified the
wireless network to which connection
is required.
The wireless board does not
communicate correctly with the
inverter inside of which it is installed
(inconsistency in the detected data
read by the board), or when working
in "Access Point Mode", it's not
possible to access the Web User
Interface.
Possible causes
ADMIN or USER password forgotten.
The signal between the inverter and the
wireless router to which the board wants
to connect is too weak.
The wireless network to which the
inverter is to be connected, could
require the user to enter a username
and password to allow navigation (for
example, with a public wireless network
or a hotel).
The wireless network to which the
Inverter is to be connected, is set so as
not to be identified (hidden network).
The signal between the inverter and the
wireless router to which the board wants
to connect is too weak.
The wireless board of the inverter could
be damaged.
Wrong Inverter Date/Time settings.
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Solution
Reset the passwords by clicking on "Forgot your password"; The
passwords can be reset after having entered the "Product Key"
code that can be found on the "Communication Identification
Label".
Modify the position of the wireless antenna, the inverter or the
router.
Make sure that the inverter has not been installed near obstacles
which could affect the communication with the wireless router
(for example: metal cages or walls, walls in reinforced concrete,
electromagnetic fields).
Move the router as close as possible to the inverter.
Install a wireless signal repeater in order to extend the network
to which the inverter is to be connected; then connect the
inverter to the repeater.
Unfortunately the inverter cannot be connected to these types
of wireless networks. Connect the inverter to an alternative
wireless network.
The Inverter is not able to connect to a hidden network. Set the
wireless network to which the inverter is to be connected (visible
network), then identify and connect the Inverter to the wireless
network as normal.
Modify the position of the wireless antenna, the inverter or the
router.
Make sure that the inverter has not been installed near obstacles
which could affect the communication with the wireless router
(for example: metal cages or walls, walls in reinforced concrete,
electromagnetic fields).
Move the router as close as possible to the inverter.
Install a wireless signal repeater in order to extend the network
to which the inverter is to be connected; then connect the
inverter to the repeater.
Request a service intervention to check that the inverter wireless
board is working correctly.
Check if Date/Time has correctly set on the inverter; correct it
if necessary.
8 - Maintenance
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