SMA STP 50-40 Operating Manual page 110

11 Troubleshooting
Event number
10284
10285
10286
10339
10340
10431
10502
10513
10901
10902
10903
110 STP50-4x-BE-en-23
Message, cause and corrective measures
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.
Wi-Fi connection established
Connection to the selected Wi-Fi network has been established.
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.
Webconnect enabled
Webconnect disabled
I-V curve measurement successfully carried out
Active power limit AC frequency
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.
Start self-test |xx|
Current disconnection limit for voltage increase protection |xxx| V
Current disconnection limit for voltage monitoring lower maximum
threshold |xxx| V
SMA Solar Technology AG
Operating manual