[RE-wrenches] SB2500U vac-bfr error

[Jerry Shafer]

William
Some of the SB inverters had a fuse on one leg inside the inverter and it
will exibit this condition, right next to the AC taps
Jerry

On Jan 13, 2017 9:42 AM, "William Miller" <william at millersolar.com> wrote:

> Dear Wrenches:
>
>
>
> I have a customer with a SMA SB2500U exhibiting the vac-bfr error code.  I
> believe this indicates a grid voltage out of tolerance.  The inverter has
> correct grid voltage and frequency to the grid terminals and is a model
> that does not include the fuse.  This inverter is on longer supported so I
> can’t get a repair. I have previously changed out the firmware and used the
> reset sequence.
>
>
>
> I tried resetting the inverter by cycling power for several minutes and
> using the ENS1/ENS2 procedure.  No change in status.  Does anyone happen to
> know of any other method to reset this inverter?  Otherwise it becomes a
> boat anchor.
>
>
>
> Thanks,
>
>
>
> William
>
>
>
>
>
> [image: Gradient Cap_mini]
> Lic 773985
> millersolar.com <http://www.millersolar.com/>
> 805-438-5600 <(805)%20438-5600>
>
>
>
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