[RE-wrenches] FM100 Stuck in Silent Mode.

[John Blittersdorf]

HI Mac    I have been thinking about that since the first failure. Have you
actually done that.  I still have that controller sitting on my "to be
repaired shelf.  I.m going to try pulling the board on this one and
see what happens,  A new board did not fix  it.

John

On Wed, Dec 11, 2024 at 7:30 AM Mac Lewis via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Hi John,
>
> For a remote site like this,  where I assume reliability is very
> important, I would disable and pull out the arc fault board.  They just
> aren't reliable and don't have the smarts to auto reset or remotely reset.
>
>
>
> On Tue, Dec 10, 2024 at 9:03 PM Ray Walters via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> I haven't had an FM 100 go bad yet, but I've seen other models and
>> brands of controllers stay stuck in Silent mode, or Sleep mode, when
>> they failed.   To avoid multiple trips to remote sites, I just swap it
>> out with another, and then deal with getting the faulty controller
>> repaired on my own time.  Magnum used to provide a fresh unit, and as
>> long as I sent the old one back within 30 days, there was no charge.
>>
>> Ray Walters
>> Remote Solar
>>
>> On 12/10/2024 8:50 PM, John Blittersdorf via RE-wrenches wrote:
>> > HI Wrenches,
>> >    I  have an off grid site on an Island on auto pilot for the winter
>> > with no access.  The FM 100
>> > has remained in Silent mode even when the Array Voltage is around  150
>> > Volts and battery at 46V
>> > I did get a response from Outback Tech support but they couldn't
>> > figure out what happened.
>> > I suspect that there is a ground or arc fault error which locks it up
>> > til manually recycled.  The problem is that there is no indication
>> > found on Optics that there is a ground fault.
>> > We would be totally in the dark except the original small solar array
>> > with an Apollo CC with
>> > about a kilowatt of solar has been dribbling in enough power to keep
>> > above low battery cutoff
>> > for a few hours each day.  The system was up when I was on the tech
>> > support call but has since quit for the day. Has anyone seen this
>> before?
>> >
>> > John Blittersdorf
>> >
>> >
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>
> --
>
>
>
> Mac Lewis
>
> *"Yo solo sé que no sé nada." -Sócrates*
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