Guessing Sequence or Tellaro?? No bidirectional charging on these or probably Rize and Scope. Need to connect a trickle charger to chassis battery when resting for 3 days or longer. If Promaster chassis, use jumper posts under hood. I keep one on all the time when at home. (Thanks Thor dealer for telling us)I have an error on my BM Pro screen
chasis battery 11.8v
First time I have seen this