Ec 0221 Troubleshooting Procedure - Honeywell PRIMUS 1000 Pilot's Manual

R
PRIMUS 1000 Integrated Avionics System
Step
1 If the fault is not caused by a crewmember overpowering
the control wheel, replace the pitch servo motor.
2 If the fault is caused by a crewmember overpowering the
control wheel, the servo was backdriven. No maintenance
is required. Do not overpower the autopilot.

EC 0221 Troubleshooting Procedure

Step
1 If the fault is not caused by a crewmember overpowering
the control wheel, replace the roll servo motor.
2 If the fault is caused by a crewmember overpowering the
control wheel, the servo was backdriven. No maintenance
is required. Do not overpower the autopilot.
EC 0222 Troubleshooting Procedure
Step
1 If the fault is not caused by a crewmember overpowering
the rudder pedals, replace the yaw servo motor.
2 If the fault is caused by a crewmember overpowering the
rudder pedals, the servo was backdriven. No maintenance
is required. Do not overpower the rudder pedals.
EC 0223 Troubleshooting Procedure
Troubleshooting
7-14
Procedure
Table 7–6
Procedure
Table 7–7
Procedure
Table 7–8
A28–1146–134
REV 1 Jan/03