Level600 et al. It does show that us poor pilots are presented with one line on ECAM and the further effects are much greater than it seems. It would appear from your previous post that in fact to get a fuel consumption increase we need more than the straightforward BAT FAULT we also need no voltage on the DC ESS BUS, not a good day at the office.
Good discussion nevertheless. This is a great way of furthering ones knowledge and making us dig further.