Rolls-Royce Helicon X3, User Manual

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Trouble Shooting
8
Page 11 of 16 Doc. No.: 13S000411
Revision: A Copyright © 2010 Rolls-Royce plc
2.7 External Orders Alarms
The following alarms will be issued for external orders related faults:
Alarm Text Cause, Effect and Action
PORT MP NC RPM Dynpos Order Cause: RPM Order signal from DP system failure
Effect: Not possible to operate thruster from DP
Action: Identify if error is in DP output or on HCX3 input or in cabling.
PORT MP NC RPM Joystick
Order Cause: RPM Order signal from Joystick system failure
Effect: Not possible to operate thruster from Joystick
Action: Identify if error is in Joystick output or on HCX3 input or in cabling.
PORT MP NC Azimuth Auxiliary
Order Cause: Azimuth Order signal from Aux system failure
Effect: Not possible to operate thruster from Aux
Action: Identify if error is in Aux system output or on HCX3 input or in
cabling.
PORT MP NC Azimuth Dynpos
Order Cause: Azimuth Order signal from DP system failure
Effect: Not possible to operate thruster from DP
Action: Identify if error is in DP output or on HCX3 input or in cabling.
PORT MP NC Azimuth Joystick
Order Cause: Azimuth Order signal from Joystick system failure
Effect: Not possible to operate thruster from Joystick
Action: Identify if error is in Joystick output or on HCX3 input or in cabling.
PORT MP NC Azimuth Autopilot 1
Order Cause: Azimuth order signal from Autopilot failure
Effect: Not possible to operate thruster from Autopilot
Action: Identify if error is in Autopilot output or on HCX3 input or in cabling
PORT MP NC Azimuth Autopilot 2
Order Cause: Azimuth order signal from Autopilot 2/rudder lever failure
Effect: Not possible to operate thruster from Rudder lever
Action: Operate from Normal lever, identify or correct error in signal (Pot.
meter in Rudder lever)
PORT MP NC Pitch Auxiliary
Order Cause: Pitch Order signal from Aux system failure
Effect: Not possible to operate thruster from Aux
Action: Identify if error is in Joystick output or on HCX3 input or in cabling.
PORT MP NC Pitch Dynpos Order Cause: Pitch Order signal from DP system failure
Effect: Not possible to operate thruster from DP
Action: Identify if error is in DP output or on HCX3 input or in cabling.
PORT MP NC Pitch Joystick
Order Cause: Pitch Order signal from Joystick system failure
Effect: Not possible to operate thruster from Joystick
Action: Identify if error is in Joystick output or on HCX3 input or in cabling.