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Solid Red Light on ACU 150
07-06-19, 07:47 AM (This post was last modified: 07-11-19 05:42 AM by Tom - Raymarine - Moderator.)
Post: #1
Solid Red Light on ACU 150
My Evolution ACU 150 is showing a solid red LED whenever the autopilot is on. My EV1 has software version 3.01, not the update with 3.02. I have a Garmin GPSMAP 942 xs chartplotter connected to the SeaTalk NG backbone but not sure I can use it to update the EV1, or if it even necessary to update it. The autopilot works flawlessly and I am very happy with it but wondering what, if anything, I should do about the red LED.
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07-11-19, 05:47 AM
Post: #2
RE: Solid Red Light on ACU 150
Hello Pvaurochs,

Solid red? If so, and the pilot's working well, then I think you may have a bi-colour LED which isn't driving correctly, but no other fault. I've seen this once before on a GPS antenna: the LED indication which was supposed to be green was red, but otherwise it worked perfectly.


Raymarine since 1999.
Interests: Diagnosis of problems in sonar/fishfinders, NMEA2000, ethernet comms, autopilots, thermal cameras
Location: Sydney, Australia
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