SMA SUNNY BOY 3.8-US User Manual page 43

SMA Solar Technology America LLC
Event number
10248 to 10249 Load reduced through device reduction or increase of query interval
10250
10251
10252
User Manual
Message, cause and corrective measures
The network is busy. Data exchange between the devices is not at an optimum
and is greatly delayed.
Corrective measures:
• 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.
[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.
[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.
[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.
SB30-77-1SP-US-40-BA-en-11
8 Troubleshooting
49