Commissioning
SMA America, LLC
44
SB8-10TL-IUS103811
Installation Guide
PV overvoltage
Check DC voltage:
• Greater than 600 V: Contact the planner/installer of the PV generator for assistance.
• Lower than 600 V: Reconnect the Sunny Boy to the PV generator as described in section
6.6 ”DC connection” (page 37).
• If the message occurs again, disconnect the Sunny boy again and contact SMA (see section
NOTICE
Excessive DC voltage can destroy the Sunny Boy.
• Open all AC and DC circuit breakers or load-disconnecting switches.
!PV-Overvoltage!
!DISCONNECT DC!