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Forum Index : Solar : Repair Solar Inverter?

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creztor
Newbie

Joined: 08/03/2019
Location: Australia
Posts: 2

Posted: 06:54pm 06 Apr 2019

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Unlikely but here goes. I got a Sofar 5000TLM inverter. When all hooked up she won't power on/blank screen. Voltmeter shows the voltage being drawn when connected is about 3vdc, that's from the roughly 180vdc coming in from panels. It was a demo box (used for training purposes) so hasn't actually been used in the normal sense. Anyway, something is obviously dead inside that stops it from booting up. Any ideas?

Ralph2k6

Senior Member

Joined: 24/09/2017
Location: Australia
Posts: 129

Posted: 11:14am 07 Apr 2019

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Any evidence of damage or bulging caps on control boards?
Unfortunately you'd need to roughly trace the power board to see where the supply is drawn for powering the control circuit to determine any faults there.

Ralph

creztor
Newbie

Joined: 08/03/2019
Location: Australia
Posts: 2

Posted: 04:11am 08 Apr 2019

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Thanks, makes sense. Nothing obvious damage wise. I'll pop it open again and have a better look.

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