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2 troubleshooting for the bluetooth connection, Troubleshooting for the bluetooth – SMA WEBBOX-BT-20 User Manual

Page 79

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SMA Solar Technology AG

Troubleshooting

User Manual

SWebBox20-BA-en-13

79

10.2 Troubleshooting for the Bluetooth Connection

12 Windows does not

display the LAN
connection.

The driver of the network card
(Ethernet card) is not
installed.

• Check the installation of the network

adapter in the device manager and
reinstall the driver.

The network card is faulty.

• Replace the faulty network card with

a new one.

13 Fault in the display

of the user interface.

JavaScript is not enabled.

• Enable JavaScript in your Internet

browser.

No. Problem

Cause

Remedy

1

The Sunny WebBox
displays no

Bluetooth devices.

An incorrect NetID has been
set.

• Set the NetID of the PV plant

(see installation manual of the
Sunny WebBox with Bluetooth) and
repeat the commissioning.

• Contact your installer.

The connection quality to the

Bluetooth plant is too poor.

• Reduce the distance to the devices

or use an SMA Bluetooth repeater
to extend the radio coverage.
Repeat the commissioning
(see installation manual of the
Sunny WebBox with Bluetooth).

Four masters are already
connected to the Bluetooth
plant.

• Remove a master and repeat the

commissioning (see installation
manual of the Sunny WebBox with

Bluetooth).

Two participants are already
connected to the device via
which you wish to establish
connection to the Bluetooth
plant.

• Change the position of the

Sunny WebBox to establish a
connection to the plant via another
device, or remove a master from the
plant. Further information on
SMA Bluetooth can be found in the
download area of
www.SMA-Solar.com

2

Inverter cannot be
accessed.

The Bluetooth connection has
been interrupted.

• Wait until the Sunny WebBox

automatically restores the
connection.

No. Problem

Cause

Remedy