Honeywell PRIMUS 1000 - Vertical Mode Conditions and Problems; Vertical Mode Problems

PRIMUSr 1000 Integrated Avionics System
A28--1146--112--00
9-7
Troubleshooting
VERTICAL MODE PROBLEMS
Refer to table 9--3 and see figure 9--2 for an in--flight pattern graphic
representation of vertical mode problems.
Mode Problem
Air data hold modes (ALT, VS,
IAS, MACH)
-- Oscillates
-- Porpoising
-- Does not hold reference
Altitude preselect (ASEL) -- Misses capture
-- Undershoots capture
-- Overshoots capture
-- Standoff
GS mode (vertical portion of
APR mode)
-- Captures early
-- Standoff
-- Oscillates
Vertical Mode Problems
Table 9--3
AD--51004@
Vertical Mode Conditions and Problems
Figure 9--2 (cont)