Question id 563 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

Indicates a faulty reverse current relay.
Would be normal and is only cause for concern if the high charge rate persists.
Indicates a generator failure, thus requiring the engine to be shut down immediately.
Indicates a battery failure since there should be no immediate charging.

Training tests and timed exam simulations ATPL - Airline Transport Pilot license