Troubleshooting SMA Solar Technology AG
52 SWebBox20-IEN110711 Installation Guide
11.2 Bluetooth Connection
No. Problem Cause Rectification
1No Bluetooth
devices are
displayed in the
Sunny WebBox.
An incorrect NetID is set. • Set the NetID of the PV plant (see
section 6.2 "Configuring Bluetooth
Settings for the Sunny WebBox"
(page 21)) and repeat the
commissioning).
The connection to the
Bluetooth plant is too weak.
• Shorten the distance to the devices
or use an SMA Bluetooth Repeater
in order to extend the radio range.
Repeat the commissioning (see
section 20).
There are already 4 masters
connected to the Bluetooth
plant.
• Remove a Master and repeat the
commissioning process (see page
20).
There are already 2
participators connected to
the device through which you
want to connect to the
Bluetooth plant.
• Change the position of the Sunny
WebBox in order to create a
connection via another device in the
plant or remove one master from the
plant. Further information on SMA
Bluetooth can be found in the
download section at
www.SMA.de/en.
2Inverter is not
accessible.
The Bluetooth connection
was interrupted.
• Wait until the Sunny WebBox has
automatically re-established the
connection.
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