SMA SUNNY ISLAND 4.4M Operating Manual page 169

SMA Solar Technology AG
Event number Message, cause and corrective measures
10254
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]:
10255 Network load OK
The network load has returned to a normal range after being busy.
10282 [User group]-Login via [protocol] locked
After several incorrect login attempts, login has been blocked for a limited time. In this case,
the User login will be blocked for 15 minutes, the Grid Guard login for 12 hours.
Corrective measures:
10283 WLAN module faulty
The WLAN module integrated in the inverter is defective.
Corrective measures:
10284
No WLAN connection possible
The inverter does not currently have a WLAN connection to the selected network.
Corrective measures:
10285
WLAN connection established
Connection to the selected WLAN network has been established.
Operating Manual
• 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.
• Wait until the given time has expired and then retry login.
• Contact the Service (see Section 19 "Contact", page 189).
• Ensure that the SSID, the WLAN password and the encryption method have been
entered correctly. The encryption method is specified by your WLAN router or WLAN
Access Point and can be changed there.
• Ensure that the WLAN router or WLAN Access Point is in range and is signalizing
correct operation.
• If this message is displayed often, improve the WLAN connection by using a WLAN
repeater.
15 Troubleshooting
SI44M-80H-12-BE-en-10 169