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I have had my System running for about 10 days and it has been working well. Today suddenly the MPPT is not charging because it says there is no voltage. I've tested the panel sourse at the mppt and they are giving the normal 84 V but the charger is only showing 12 V and thus is "off". I have powered down the system and restarted but there is still no difference. There is sun out so that is not the problem. Any suggestions would be helpful.
I dare say you have blown a fuse/breaker somewhere, or have a bad connection.
I found out the problem. I thought I would post it for the newbies like myself. Although my voltmeter was picking up 84 V after inspecting the connections I found a bad connecter which was a mistake I made. I had a male sleeve in where a female was needed. It was working fine for a week or more so that fooled me. I fixed the bad connection and the problem was fixed. It’s interesting how you can get fooled by a voltmeter because it doesn’t pull much current.
