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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*Allan Sindelar*
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New Mexico EE98J Journeyman Electrician
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