6 Troubleshooting
Event number
Message, cause and corrective measures
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
• Ensure that the DHCP server (router) and any network switches are
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
• Ensure that the DHCP server (router) and any network switches are
10254
[Interface]: duplex mode goes to [Full / Half]
The duplex mode (data transfer mode) has changed. The cause for the status
[Half] can be a defective plug, a defective cable or the pulling or plugging of
the network connector.
Corrective measures if the status is [Half]:
• Ensure that with an Ethernet connection, the network cable and the
• Ensure that the DHCP server (router) and any network switches are
52
STP33-62-US-41-BA-en_es-10
network connector are not damaged and that the network connectors are
correctly plugged.
signalizing correct operation.
network connector are not damaged and that the network connectors are
correctly plugged.
signalizing correct operation.
network connector are not damaged and that the network connectors are
correctly plugged.
signalizing correct operation.
SMA Solar Technology AG
User Manual