Multiplus 2 48/3000/35 connected to lithium battery has worked perfectly for three years, now when connect to short power or generator Switching to bulk mode but zero charge current. Have updated software. Checked settings. Tried a different battery no resolve.
When the unit is disconnected, And Then reinstalled, (like a hard reset) it will work once or twice producing current but then will go back to 0 current.
Have Tried in multiple set ups with the same result has been to a workshop, but unable to come up with a fault.
batteries charging no problem from Mppt
