SW firmware upgrade flourescent flicker [RE-wrenches]

William Korthof wkorthof at earthlink.net
Sat Feb 21 16:27:57 PST 2004


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I'm here but I haven't paid close attention to the software
versions. The Brand X inverters definitely don't generate
great interest, and I always kind of expect to oversights
and "gee wiz" features. The inverters were originally put
in around mid 2001 and just got the upgrades.

/wk

At 01:17 PM 2/20/04 -0800, Jerry Caldwell wrote:
>Are any of the Xantrex guys still on list?  Do you
>guys have any input regarding this issue?
>
>Jerry Caldwell
>Light Energy Systems
>510-205-2798
>
>--- William Korthof <wkorthof at earthlink.net> wrote:
> > Yes, I've seen the same result. "upgrade" is
> > definitely a misnomer.
> >
> > /wk
> >
> > At 05:45 PM 2/19/04 -0800, Jerry Caldwell wrote:
> > >Wrenches,
> > >
> > >I have a customer who had his pre-GTI Trace SW
> > >inverters retrofitted with the new anti-islanding
> > >software.  He claims that ever since the upgrade
> > his
> > >flourescent lights powered by the backed up loads
> > >panel have a flicker that pulses about once every
> > >second.  Sometimes the flicker is worse than other
> > >times.
> > >
> > >Since the anti-islanding software is supposed to
> > >disconnect and reconnect to the grid once per
> > second,
> > >I can't help but wonder if my customer isn't
> > justified
> > >by blaming the software upgrade.
> > >
> > >Has anyone had or heard of similar experiences?
> > And
> > >better yet, does anyone have ideas to solve this
> > >problem?  I want to keep this customer relationship
> > in
> > >good standing.
> > >
> > >Jerry Caldwell
> > >Light Energy Systems
> > >510-205-2798
>
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