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[CA] [CA11] Drive Stopped - EV-400
12-09-19, 02:29 PM
Post: #2
RE: [CA11] Drive Stopped - EV-400
Welcome back to the Raymarine Forum watsala,

The first thing to verify is that the ACU, EV-1, and autopilot control head have each been updated with the latest available Raymarine product software updates, at this was a symptom which had been previously reported and had been addressed via a software change.

If the rudder moves beyond the rudder limits set within the autopilot's settings, then a Drive Stopped condition will occur. Accordingly, it would be recommended that you verify that a rudder reference transducer has been installed and that a) the maximum rudder angle produced when commanded to hard over does not exceed 30 degrees and that b) the rudder stops driving the rudder prior to reaching the drive's limit or the rudder stops.

If the above has been satisfied, then the reported issue may also be indicative of a problem with the drive unit. When the problem is observed, the drive unit may be tested by disconnecting the drive unit's motor leads and then connecting them directly to the power circuit which is supplying power to the autopilot course computer. If the drive moves freely in both directions, then the drive would be considered to be operational.

Should above have been tested / verified and indicate no issues with the items listed above, then it would be recommended that the ACU-400 be sent to Raymarine’s Product Repair Center to be bench checked / serviced.
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[CA11] Drive Stopped - EV-400 - watsala - 12-08-19, 12:39 PM
RE: [CA11] Drive Stopped - EV-400 - Chuck - Raymarine - Moderator - 12-09-19 02:29 PM

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