SMA SUNNY ISLAND 4.4M Operating Manual page 168

15 Troubleshooting
Event number Message, cause and corrective measures
10248 to 10249 Network busy > Network overloaded
The network is busy. Data exchange between the devices is not at an optimum and is greatly
delayed.
Corrective measures:
10250
Package error rate [ok / high]
The package error rate has changed. If the package error rate is high, the network is over-
loaded or the connection to the network switch or DHCP server (router) is disrupted.
Corrective measures:
10251
Communication status goes to [OK / Warning / Error / Not connected]
The communication status to the network switch or DHCP server (router) has changed. An ad-
ditional error message may be displayed.
10252
Communication disrupted
There is no valid signal on the network line.
Corrective measures:
10253
Connection speed goes to [100 Mbit / 10 Mbit]
The data transfer rate has changed. The cause for the status [10 Mbit] can be a defective
plug, a defective cable or the pulling or plugging of the network connector.
Corrective measures if the status is [10 Mbit]:
168 SI44M-80H-12-BE-en-10
• Reduce the number of devices in the network.
• If necessary, increase the data query intervals.
• If necessary, reduce the number of devices in the network.
• Ensure that with an Ethernet connection, the network cable and the network connector
are not damaged and that the network connectors are correctly plugged.
• If necessary, increase the data query intervals.
• If necessary, reduce the number of devices in the network. 12 Troubleshooting SMA
Solar Technology AG 78
• Ensure that with an Ethernet connection, the network cable and the network connector
are not damaged and that the network connectors are correctly plugged.
• Ensure that the DHCP server (router) and any network switches are signalizing correct
operation.
• Ensure that with an Ethernet connection, the network cable and the network connector
are not damaged and that the network connectors are correctly plugged.
• Ensure that the DHCP server (router) and any network switches are signalizing correct
operation.
SMA Solar Technology AG
Operating Manual