Thanks, I'll pass this on to my serviceman.
Possible contactor not closing properly, or stuck. Check all contactors, 1A, PS, Regen Brake, and Fw, Rv.
Also check continuity between PB-4 and pos side of coil on fwd contactor, PB-5 and pos side of rev contactor. PB-2 and pos side of regen brake contactor.