11 Troubleshooting
SMA Solar Technology AG
Operating manualSTP50-4x-BE-en-23110
Event number Message, cause and corrective measures
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.
10286
Wi-Fi connection lost
The inverter has lost Wi-Fi connection to the selected network.
Corrective measures:
• Ensure that the Wi-Fi router or Wi-Fi access point is still active.
• 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.
10339
Webconnect enabled
10340
Webconnect disabled
10431
I-V curve measurement successfully carried out
10502
Active power limit AC frequency
10513
Grid management service Fast stop: Stop by system control is exe-
cuted
This event is generated by the monitoring relay of the monitoring unit when the
grid and PV system protection device is triggered. The inverter disconnects
from the utility grid.
10901
Start self-test |xx|
10902
Current disconnection limit for voltage increase protection |xxx| V
10903
Current disconnection limit for voltage monitoring lower maximum
threshold |xxx| V
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