Electrical Extra

Question 1

Why will a gen caution appear

Answer 1

that generator is no supplying power
that generator is selected off
failure of generator, GCU, contactor control relay, or wiring fault

Question 2

why will we get a gen brg caution

Answer 2

generator main bearing has failed or is worn

Question 3

why will we get a apu gen caution

Answer 3

failure of apu gen, gcu, contactor control relay, wiring fault
apu gen switch on, apu on, but not at operating speed

Question 4

why would we get a CONV caution

Answer 4

dc converter or contactor failed

Question 5

how would we know we had a dual converter fault

Answer 5

both flight and mission displays would fail, but we would retain most internal and external lighting

Question 6

when do we get a chg low light

Answer 6

batt < 40%