Fault Finding; The Autopilot Display Is Blank; The Autopilot Display Shows Code Lock At Power On; Vessel Overshoots When Turning On To A New Course - Raytheon ST6000 Plus Owner's Handbook Manual

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Chapter 9: Fault Finding
Chapter 9: Fault Finding

The autopilot display is blank

The autopilot display shows CODE LOCK at power on

The displayed compass heading does not agree with the
ships compass
Vessel turns slowly and takes a long time to come on to
course

Vessel overshoots when turning on to a new course

The autopilot appears to be unstable in Track mode, or track-
holding is slow
The autopilot appears to be unstable on Northerly headings
in the Northern hemisphere and Southerly headings in the
Southern hemisphere
Display shows CAL LOCK when entering calibration