I think the equipment is just quirky. Our Radian system at home was doing a similar thing for a while. For some reason, with no parameter changes, it started working right most of the time.

_Drake Chamberlin_

_Athens Electric LLC_

_Ohio Electrical Contractor's License 44810_

_NABCEP Certified PV Installation Professional_

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On 2025-12-23 14:53, William Miller via RE-wrenches wrote:

Friends:

I was pleasantly surprised to get a call-back from Outback with a familiar voice this morning.

The inverter has been charging to only 52 VDC at no more than 700 watts since new. I had blamed the 3kW portable generator. We installed a new Kohler 12 kW Gen and the problem continued.

I had tried all the suggestions to change re-bulk and re-float and even reset to factory defaults. Nothing helped.

The OB tech suggested setting the Gen input to Backup and.... problem solved.

I don't know why but I won't argue with success.

Curiously I have another almost identical system that charges just fine on Generator setting.

If anyone can explain this I'd really like to know.

William Miller
Miller Solar.com
805-438-5600
www.millersolar.com [1]
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[1] http://www.millersolar.com
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