I'll post the error messages from my 2006 Sunny Boy 2kw inverter. Is it time to get a new inverter? What inverter should I buy?
The model number is WR21UW9E?
SMA says: "The message Fac-Bfr means that the power frequency is not within the permissible range."
It's getting 294V in from the...
My Sunny Boy 2kw inverter is dead. It was made in 2006. What can I replace it with? With this inverter? Or with this inverter? Any other suggestions? Is installation straightforward or do I need to hire an electrician?
Can I get my Sunny Boy rebuilt? A new inverter seems to be cheaper...