SMA SUNNY CENTRAL - Manual (Page 48)

Failures and Warnings SMA Solar Technology AG
48 SC-BEN092751 User Manual
380 Error text:
SMU
Error type 1
Cause:
The string monitoring system has detected one or more faulty strings or overvoltage
protectors.
Corrective measures:
• Under "Device Set-up -> SMUs -> Devices -> Measured Values", read out the
individual string currents 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
Cause:
Communication failure between Sunny Central and the Sunny String Monitors.
Corrective measures:
• Check communication lines and connections.
• More detailed information can be found in the Sunny String Monitor manual.
382 Error text:
thievery solar panel
Error type 1
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