Circuit breaker open or closed?

On Mon, Apr 4, 2022 at 9:13 AM Chris Daum via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hey folks:
>
>
>
> We have a problem we just can’t figure out.  We have a customer in OK
> with a simple array of eight Trina TSM 310-DD05H(II) modules, four stings
> of two modules into the combiner (Midnite MNPV6).  Simple, right?  He
> connects two modules, gets his 73.2VDC and lands his PV output leads on the
> circuit breaker and discovers he only has 39VDC.  So, what are the
> possibilities?  Loose connections at the MC4 connectors?  Bad blocking
> diode?  Ideas anyone?
>
>
>
> He’s in Henryetta, OK, and we cannot seem to find anyone local to help
> him.  All ideas appreciated!
>
>
>
> Best,
>
>
>
> Chris Daum
>
> Oasis Montana Inc.
>
> 406-777- 4321
>
> 406-777-4309 fax
>
> *www.oasismontana.com* <http://www.oasismontana.com>
>
>
>
>
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-- 

Michael Morningstar


Morningstar Electric

PO Box 1494

Mount Shasta, CA 96067

530-921-0560

mjmornings...@gmail.com
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