[RE-wrenches] Fried Classic150?

[Aaron Mandelkorn]

Thanks all for the replies. Battery voltage was 13v on this 48 volt system.
How they drained so low I just don't know. Low batter cut off was set and
there were no DC loads.  Not to sure what to make if this. Will be
contacting midnite tomorrow.

Aaron Mandelkorn
Owner/Solar Specialist
Renewable Energy Outfitters
www.reosolar.com
www.offgriddepot.biz
970-596-3744
719-221-5249
reosolar at gmail.com


On May 30, 2016 8:43 PM, "Dan Fink" <danbob88 at gmail.com> wrote:

> MPPT does need a minimum battery voltage to wake up and start charging, at
> least 9 volts -- I once arrived at a remote site on a sunny day, the PV
> input breaker had tripped, batteries were under 9v, no charging despite the
> sunny weather until I woke the MPPT up with jumper cables from my truck
> battery.
>
> Dan Fink
> Adjunct Professor of Solar Energy Technology, Ecotech Institute
> IREC Certified Instructor™ for:
> ~ PV Installation Professional
> ~ Small Wind Installer
> Executive Director, Buckville Energy
> NABCEP Registered Continuing Education Providers™
> 970.672.4342
>
>
>
> On Mon, May 30, 2016 at 5:59 PM, Aaron Mandelkorn <reosolar at gmail.com>
> wrote:
>
>> Hi all. I returned to a off grid site today after having no winter
>> access. It appears as though the classic 150 charge controller has failed.
>> The batteries are completely discharged. The classics screen will flash
>> occasionally as well as a yellow light on this left front of the controller
>> but wont turn on. Does the classic have a minimum voltage requirement
>> needed to turn on? Has anyone else experienced this?  I can't figure out
>> what happened to cause this issue.
>>
>> Thanks
>>
>> Aaron Mandelkorn
>> Owner/Solar Specialist
>> Renewable Energy Outfitters
>> www.reosolar.com
>> www.offgriddepot.biz
>> 970-596-3744
>> 719-221-5249
>> reosolar at gmail.com
>>
>>
>>
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