I have an Orion 12-12-30 (isolated) between a smart alternator and lithium batteries. The unit is low hours.
I've had two overcharging warnings on the GX today, over 14.8v. The Orion, MPPT and Multiplus are all set at 14.4v absorbsion and 13.3 float, as per the battery manufacturer's specs, and a 0.1v rebulk.
Any ideas?