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What is the F10 fault on a TR Inverter/Charger

Fault Code F10 is appearing on the display

Issue:  F10 indicates that the connected batteries are above 15.5 volts (for a 12 volt system) and 31 volts (24 volt System)

Solution: Make sure you have the batteries connected correctly in its respective setup whether it is 12 or 24.
Make sure there are no other external sources charging the batteries past these set points.
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