SMA SC 400HE - Manual (Page 78)

7 Troubleshooting SMA Solar Technology AG
78 SC4-63HE-BE-BEN103280 Operating Manual
284 Error text:
Temperature sensor Error type 1
Failure cause:
External or internal or temperature sensor is defective.
Corrective measure:
• Check sensors.
380 Error text:
SMU Error type 1
Failure cause:
The string monitoring system has detected one or more faulty strings or surge arresters.
Corrective measures:
• In the menu "Device Set-up > SMUs > Devices > Measured Values", the individual
string currents can be read out to detect the faulty string.
• More detailed information can be found in the Sunny String-Monitor manual.
381 Error text:
Ser. com. with SMU disturbed Error type 1
Failure cause:
Communication disturbed between Sunny Central and the Sunny String-Monitors.
Corrective measures:
• Check communication lines and terminals.
• More detailed information can be found in the Sunny String-Monitor manual.
382 Error text:
Thievery solar panel Error type 1
Failure cause:
Signal loop for theft detection at the Sunny String-Monitor has been interrupted.
Corrective measures:
• Check string currents.
• Check signal loop.
• For further details, refer to the installation guide and user manual of the
Sunny String-Monitor or Sunny String-Monitor Cabinet.
No. Description