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24v panel to 12v wet lead acid battery delivering 20 amps/hr thru Bluepower 100/50. Worked fine now overcharges ie 15+ volts and batts boil as won’t move off bulk. Charges ok low batt, but have to manually disconnect. Did your reset procedure of dis/reconnect in correct order.
Are you able to access the programming of the MPPT via VictronConnect through a Bluetooth dongle or USB to VEdirect cable?
If yes, please review those settings.
If not, please do not risk your batteries, and return it to the place where you purchased so they can test it. If the programming is correct, it may have a fault and need to be replaced.
