SW firmware upgrade flourescent flicker [RE-wrenches]

Jerry Caldwell solarcowboy at yahoo.com
Fri Feb 20 13:17:25 PST 2004


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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