SMA Solar Technology AG Troubleshooting
Installation Guide SWebBox20-IEN110711 53
2Inverter is not
accessible.
Parameters for the Bluetooth
communication were
changed.
When setting parameters that regulate the
Bluetooth connection (e.g. parameters for
the transmitting power and country
parameters), the communication via
Bluetooth is interrupted for some time
because the inverters are carrying out a
reboot of the communication interface.
This does not affect inverters with
upgraded SMA Bluetooth Piggy-Backs.
• Wait until the inverter has completed
a restart. The inverter is then
accessible again.
Inverter with upgraded SMA
Bluetooth Piggy-Back is in
night mode.
• Wait until the inverter is again
working in normal operation. The
inverter is then accessible again.
The inverter has not been set
to the same NetID and
commissioned.
• The inverter must be set to the NetID
of your PV plant and commissioned.
Contact your installer.
3 An unknown
inverter is
displayed.
The set NetID is already
assigned via an unknown
Bluetooth PV plant.
• You must assign the PV plant with a
free NetID. Contact your installer.
4An inverter is
displayed as
unknown device in
the plant tree.
The inverter with integrated
Bluetooth has an old
software package (only for
inverters SB 3000TL-20, SB
4000TL-20, SB 5000TL-20).
• Update the software package
version of your inverter to a version
higher than 2.0.
No. Problem Cause Rectification
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