SMA SUNNY EXPLORER - Manual (Page 50)

10 Troubleshooting SMA Solar Technology AG
50 Explorer-BA-en-17 User Manual
10 Troubleshooting
Bluetooth Connection
Problem Cause and corrective measures
System search
Connection to the Bluetooth
system failed. • Connection to the Bluetooth system is too weak.
– Reduce the distance to the devices and try to reconnect.
• There are already four masters connected to the Bluetooth
system.
–
Remove one master and try to reconnect.
• There are already two nodes connected to the device
through which you wish to connect to the Bluetooth system.
–
Select another device or remove another
communication device, and try to reconnect.
System search
The displayed device names
and NetIDs are not up-to-date. • Depending on the Bluetooth stack used, it is possible that
changes to the NetID or the device name are not correctly
recognized by an inverter.
Proceed as follows:
1. Close the Bluetooth stick software, if applicable.
2. Briefly remove and reinsert the Bluetooth stick.
3. If necessary, restart the Bluetooth stick software.
4. Repeat the system search in Sunny Explorer.
System search
The device address is
displayed, but the device name
is not displayed. • Sunny Explorer has not finished reading the device name
from the device.
– Repeat system search so that Sunny Explorer updates
the device name.
Inverter is not accessible
After setting parameters for
communication via Bluetooth,
the inverter cannot be accessed
for an extended period. • When setting parameters that regulate the Bluetooth
connection (e.g. parameters for the transmission power and
country parameters), communication via Bluetooth is
interrupted for some time because the inverter is carrying out
a restart of the communication interface.
– Wait until the inverter has completed its restart.
The inverter will then be accessible again.