12 Troubleshooting
SMA Solar Technology AG
Operating manual
SB55-LV-JP-41-BE-en-13
78
Event number
Message, cause and corrective measures
10250
[Interface]: package error rate [ok / high]
The package error rate has changed. If the package error rate is high, the net-
work is overloaded or the connection to the network switch or DHCP server
(router) is disturbed.
Corrective measures if the package error rate is high:
• 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.
10251
[Interface]: communication status goes to [OK / Warning / Error /
Not connected]
The communication status to the network switch or DHCP server (router) has
changed. An additional error message may be displayed.
10252
[Interface]: communication disrupted
There is no valid signal on the network line.
Corrective measures:
• 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.
10253
[Interface]: 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]:
• 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.
