SMA SUNNY HOME MANAGER - Manual (Page 117)

SMA Solar Technology AG 15 Troubleshooting
User Manual HoMan_Portal-BA-en-17 117
Problem Cause and corrective measures
The Sunny Home Manager
detects none or not all of the
new SMA devices that are
connected via Speedwire. The router/network switch used in the network deactivates the
LAN ports when they appear to be inactive in order to save
energy. As a result, it is not possible to establish any connection
to the SMA device.
Corrective measures:
• Configure the router/network switch so that the LAN ports
are not deactivated.
The network switch used in the network uses IGMP snooping.
This means that the connection to the SMA device is interrupted
due to apparent inactivity, and cannot be subsequently restored.
Corrective measures:
• Deactivate the IGMP snooping function in the network
switch.
The firewall may not have been configured correctly.
Corrective measures:
• In the firewall, activate ports 9523 and 3478 (see firewall
manual).
The firewall or IP filter may not have been configured correctly.
Corrective measures:
• Adjust firewall or IP filter settings (see firewall or router
manual).
Message in system logbook:
Invalid configuration:
Communication
simultaneously via
BLUETOOTH and
Speedwire If an inverter communicates with the Sunny Home Manager via
BLUETOOTH and Speedwire simultaneously, this will cause errors
in data recording.
Corrective measures:
• If the inverter is to communicate via Speedwire, set the
NetID "0" for the inverter (see inverter manual).
This deactivates BLUETOOTH.
• If the inverter is to communicate via BLUETOOTH,
disconnect the network connection between the inverter and
the router/network switch.