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Diagnose this please

Old 10-25-2011, 12:19 PM
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Default Diagnose this please

I have a very curious problem with my Raymarine A-65. Here is what happened.
1. On my way out fishing(about 15 minutes out of the marina) I shut the engine off to check something unrelated. When I re-started the engine the unit wouldnt come on. When I pressed the power button it would beep but the screen never came on. While trolling and drifting,I tried it many times after that but it never did come back on.
2. Sent it to Raymarine for repair and it was sent back with a note that they couldnt find anything wrong with it.
3. i re-installed it and it worked fine once but would not come on the folowing week. My buddy had an ohm meter and checked that approx 12 volts was getting to the unit, so i sent it back to Raymarine thinking maybe it was the power button.
4. they returned it saying it was fine but that possibly I had some loose wires in the power cord and sent me a new one.
5. I re-intalled the unit and the new power cord and it worked. On the way out of the marina I shut the engine off just to make sure it would work and sure enough it wouldnt come back on. I turned the boat around but on the way back to the marina I pushed the power button again and it came back on.
6. I went out fishing but didnt dare shut the engine off until i got back to the marina but after shutting off the engine and re-starting the unit came back on. So I dont know what to think.
7. The batteries are 4years old but show that they are fully charged, if that means anything.

My guess is that its the battery but dont want to invest in a new one to find out that it wasnt. Sorry for the long story but wanted you guys to know all the facts.

Any help would be appreciated.
Old 10-25-2011, 12:32 PM
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You have both your motor and the electronics on the same battery. You should have two systems
One for starting and running the motors and one isolated for the electronics to run off of.
And you should never have your electronics on while starting the engines..
this could surge and take what ever system is on OUT....
Old 10-26-2011, 06:46 AM
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Sounds like inadequate power source. Even with a funky power cord connection you can read 12 volts on the plug. Bad connection just won't push the amps your A65 needs. Check the connection at the source end again and make sure it's good. Also look for corrosion on the pins at the plug end. Intermittent problems are a pain.
Old 10-26-2011, 07:21 AM
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Originally Posted by divingmikeboats View Post
Sounds like inadequate power source. Even with a funky power cord connection you can read 12 volts on the plug. Bad connection just won't push the amps your A65 needs. Check the connection at the source end again and make sure it's good. Also look for corrosion on the pins at the plug end. Intermittent problems are a pain.
+1
Old 10-26-2011, 07:44 AM
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It's your power.
Mine made that same beeping sound when my house battery was no good.
Old 10-26-2011, 09:33 AM
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power

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