SMA Sunny Boy Control Light - Manual (Page 71)

Sunny Boy Control Light Chapter 7: Appendix
SUNBCL-11:NE
- 71 -
SMA Regelsysteme GmbH
Error: Energy Yield xx %
[ ERROR ]
[03: WR700-07 ]
[Device ID: Device Type]
Energy Yield
48%
Fig. 7.5: Example for Error "Energy Yield"
The energy yield of the device is below the tolerance of the average yield of the
entire PV-plant.
Possible Reasons:
•
Sunny Boy is defective or not installed right
•
The tolerance defined in "
Energy Energy Energy Energy
" is too small (chapter 5.5.1)
Error: "No contact since 24h"
[ ERROR ]
[03: WR700-07 ]
[Device ID: Device type]
No Contact
since 24h
Fig. 7.6: Example for Warning "No Contact since:..."
The period of time the device could not be reached exceeded 24 hours.
Possible Reasons:
•
Sunny Boy is defective or not installed right
•
Communication on the transmission line is disturbed
7.2 Troubleshooting Powerline Communication
The Powerline Communication is covered in the Powerline Communication Manual
"SBKOMM-11-ED". This file is available on our internet server http://www.sma.de . In