fm80 wont boot up

Discussion about the FM100, FM80, and FM60 Charge Controllers

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karoy
Forum Junior Member
Posts: 2
Joined: Mon Jun 10, 2019 3:31 pm

fm80 wont boot up

Post by karoy » Mon Jun 10, 2019 3:37 pm

a coupe of days ago i came home and fm80 stooped working no display nothing the batteries were fully charged question is it possible that my control board went bad or can u list the possibilities of things that could be the problem, battery voltage is not one of them for sure its a component....

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Kurt Lundquist
Alpha Energy Engineering
Posts: 1351
Joined: Tue May 31, 2011 7:23 am
My RE system: VFX3524, Mate3, 200Ah 24V AGM Battery Bank
Location: Arlington, WA

Re: fm80 wont boot up

Post by Kurt Lundquist » Tue Jun 11, 2019 7:57 am

What is the battery voltage reading at the controller battery input terminals?

-Kurt
Kurt Lundquist
Renewable Energy Project Engineer
http://alphaenergy.us/

karoy
Forum Junior Member
Posts: 2
Joined: Mon Jun 10, 2019 3:31 pm

Re: fm80 wont boot up

Post by karoy » Tue Jun 11, 2019 7:59 am

Kurt Lundquist wrote:What is the battery voltage reading at the controller battery input terminals?

-Kurt
24v battery bank reading 24.8 v lead acid at the charge controller terminal it sparks whenever I plug in the battery wires there is enough juice to start the fm80

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