I just checked my stock of control boards and just happen to have a
new unopened in the box that is firmware #68, same as the new used inverter
I installed.  I guess to be sure Outback wont have any other suggestions, I
will install the new board.  I charged the customer enough for the used
inverter to cover a control board.  First I will set the newer one as
Master and his older one as slave to see if it makes any difference. In the
description of the stacking configurations, There was no mention of Hub
requirements. I assume with these older inverters the older Hub should be
fine.   We ran lots of inverters at SolarFest with the old equipment.  I
know we are not supposed to promote things on this list but SolarFest in
Vermont will be in Brandon July 16-17.  SolarFest.org

On Sun, Mar 20, 2022 at 11:22 AM Kirk Herander <kirkh@vermont.solar> wrote:

> Do you have the proper hub 10.3 installed? And are the jumpers set
> correctly? Mate3S? it almost sounds like the slave is set in the Mate not
> to charge. And if not plugged into the correct hub port, stuff like this
> happens also. And the Mate3 might not work properly with newer inverters,
> as I remember.
>
> On Sun, Mar 20, 2022 at 10:55 AM Sindelar Solar <al...@sindelarsolar.com>
> wrote:
>
>> John,
>> I've never faced your situation so can't address it directly. However, I
>> don't think matching firmware requires replacing a control board. Can't you
>> just update the firmware to the latest for that legacy product using a
>> Mate3?
>> The firware for these should be available at
>> https://www.outbackpower.com/resources-mobile/technical-support/firmware-updates/item/fxr-vfxr-series-firmware-archive
>> Allan
>>
>> On 3/20/2022 8:14 AM, John Blittersdorf wrote:
>>
>> Wrenches, I just added a 2nd VFX3648 stacked as SLAVE L1 to increase
>> charging of his new eVault 18.5 from 12kw Kohler gen. It connects to the
>> generator but doesn’t charge.  I read in the manual that both inverters
>> must be the same firmware revision.  Once hooked up I found that the added
>> inverter was rev #68 and the original one rev 61.  Would it be possible to
>> switch which inverter is the master and have the newer one recognize the
>> older one.? Otherwise is my only option to put a new control board in the
>> original inverter? And possibly also in the new one.  Anyone know what the
>> latest rev or last one was?
>>
>> John Blittersdorf
>>
>>
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> --
>
> *Kirk Herander / **kirkh@vermont.solar <kirkh@vermont.solar>*
>
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