Keith is correct, the errors and the cause of them throughout the orbit are too complex to work through in detail.
It may help you to remember that the gyro attempts to re-erect to a false datum in space, not relative to the aircraft.
Initially, and in a right turn, you might expect the pendulous base of the gyro to swing out to the left leading to a roll error (underbank) but as the turn continues and the aircraft direction changes what was a false datum to the left progressively becomes a false datum to the rear and therefore becomes a pitch error. Now put precession into the pot and recall that the gyro is not erected to a single false datum but is continually being re-erected to a changing false datum in space throughout the turn and you will start to get a feel for the complexity of forces.