Some progress... After trying everything S.S. could suggest (including updating firmware, etc.) they advised that I switch to US2 (at least as a test). So I switched it to US2 with the following settings #2 = 150A, #11 = 40A, #12 = 46V, #13=54V, #19=57V, #20=56V, #21=44V. Immediately my...