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2 renogy 40 a and one renogy 30 am without a combiner box 24 v systm

additional info after taking the panels off line for four hours the batteries were 13.18v 13.19v and 13.18v

additional info after taking the panels off line for four hours the batteries were 13.18v 13.19v and 13.18v

can the charge controller re set it self to factory settings if the system is off for months

Im new to this so please be patient We are having a problem with our system, the charge controller is showing over charge and alarming high voltage as soon as the batteries are fully charged.