11 Troubleshooting
SMA Solar Technology AG
Operating manualSTP50-40-BE-en-1596
Event number Message, cause and corrective measures
10286
WLAN connection lost
The inverter has lost WLAN connection to the selected network.
Corrective measures:
• Ensure that the WLAN router or WLAN Access Point is still active.
• 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.
10339
Webconnect enabled
10340
Webconnect disabled
10502
Active power limited 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
Uac RPro [xxx] V
10903
Uac Max [xxx] V
10904
Uac Min [xxx] V
10905
Uac Min Fast [xxx] V
10906
Fac SwMax [xxx] Hz
10907
Fac SwMin [xxx] Hz
10908
Fac Max [xxx] Hz
10909
Fac Min [xxx] Hz
10910
Disconn. threshold [xxx] [xx]
10911
Stand. Val. [xxx] [xx]
10912
Disconn. time [xx] s
27103
Set parameter
The parameter changes are being adopted.
27104
Parameters set successfully
The parameter changes were successfully adopted.
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