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[DG] [DG] No Drive Detected EV-400
08-18-18, 08:18 PM (This post was last modified: 08-20-18 07:37 AM by Derek - Raymarine - Moderator.)
Post: #1
[DG] No Drive Detected EV-400
Hello There,

I have a Raymarine EV-400 Autopilot system. It was working perfectly until today. The system was installed new when I took delivery of the boat last year. I am receiving a "No Drive Detected" Message.

How do I start to find and fix the problem?
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08-20-18, 07:44 AM
Post: #2
RE: [DG] No Drive Detected EV-400
Hi Yamsailor,

Thank you for your enquiry.

First thing is to check all power supplies and ensure that the EV and the ACU is powered up, note that the ACU400 has it's own heavy duty power supply and this must be turned on before the autopilot will work.

If all units are correctly powered up, check the LED status on each of the devices, anything RED is an issue and the local Raymarine service dealer would be best able to assist then.

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