12 Troubleshooting
SMA Solar Technology AG
Operating ManualSTPx0-3SE-40-BE-en-10108
Event number Message, cause and corrective measures
10255
[Interface]: Network load OK
The network load has returned to a normal range after being busy.
10270
No communication with SHM > Check connection
The inverter is not receiving any data from the SunnyHomeManager.
Corrective measures:
• Ensure that the energy meter is correctly integrated into the same network
as the inverter (see energy meter manual).
• Connect the energy meter directly to the 2nd Ethernet port of the inverter.
• For Wi-Fi connection: Improve the Wi-Fi connection quality (e.g., via Wi-Fi
repeater) or connect the inverter with the DHCP server (router) via
Ethernet.
10282
[User group]-Login via [protocol] locked
After several incorrect login attempts, login has been blocked for a limited
time. The user login will be locked for 15 minutes.
Corrective measures:
• Wait until the given time has expired and then retry login.
10283
Wi-Fi module faulty
The Wi-Fi module integrated in the inverter is defective.
Corrective measures:
• Contact the Service.
10284
No Wi-Fi connection possible
The inverter does not currently have a Wi-Fi connection to the selected net-
work.
Corrective measures:
• Ensure that the SSID, the Wi-Fi password and the encryption method
have been entered correctly. The encryption method is specified by your
Wi-Fi router or Wi-Fi access point and can be changed there.
• Ensure that the Wi-Fi router or Wi-Fi access point is in range and is
signalizing correct operation.
• If this message is displayed often, improve the Wi-Fi connection by using
a Wi-Fi repeater.
10285
Wi-Fi connection established
Connection to the selected Wi-Fi network has been established.
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