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***Chuck - Raymarine - Moderator***

Welcome to the Raymarine Forum West32,

Please click here to view a FAQ addressing actions to be taken after having updated an Evolution autopilot's software ... most notably, the Pilot Factory Reset. Please additionally note that a Pilot Factory Reset command will erase any change which had been made to autopilots drive motor phasing configuration setting. Accordingly, should drive motor phasing be determined to be reversed (i.e. drive unit or rudder moves in a direction which is opposite from that which has been commanded) when performing the Dockside Wizard, then it would be recommended that the drive unit's Motor A and B connections to the ACU be reversed rather than change the drive unit's phasing within the autopilot's settings. This will prevent drive unit motor phasing issues after performing any future Evolution autopilot software updates or autopilot factory resets.

It is also recommended that you examine the autopilot's rudder bar feature to verify that the rudder angle is correctly reflected in the rudder bar as the rudder is shifted to port and starboard. If not, then please respond accordingly. Please additionally note that it is normal for the rudder to continue to its stops if rudder if in AUTO mode, and a heading change is commanded, and no change in sensed heading is sensed as rudder is applied (i.e. this feature can only be effectively tested while underway). Should the execution of the items specified within the referenced FAQ and should the problem persist when operating in AUTO mode thereafter, then it may indicate a problem with a speed through water (STW) sensor associated with an instrument or fishfinder transducer. Changing the speed source to from STW to SOG within the autopilot's settings (MENU->SET-UP->AUTOPILOT CALIBRATION->SPEED INPUT->SOG) may be used as a workaround until such time as the STW sensor is addressed.