Question about Raymarine A65 Combo GPS Chartplotter/Fishfinder

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RAYMARINE A65 COMPLETE FAILURE

Unit shutdown completely for no apparent reason and would not power back up,checked all related connections with no solution.unit turned itself back on 2 hours later,remained on and functioning for several hours only to shutdown again?

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Was the engine running when it shut off? How was the voltage at the time it failed? The A65 will shut down if the voltage drops below 11.2 volts.

Another common cause would be corrosion on the plug where it plugs into the back of the display, or the terminal connectors that attach it to the boat's power supply.

It could also be a bad crimp on the terminal connectors. Make sure connectors are the right size for the wire and that they are marine grade, such as Ancor brand connectors. I also recommend heat shrink style connectors,

I have not heard of any software issues for that model so I am betting it's a wiring issue. However, there is an update available from Raymarine. There were changes made to the WAAS satellites and the update helps it recognize the new satellites. You can download it for free from Raymarine. Copy it onto a blank CF card and plug it into the card slot on your GPS. When you turn the unit on it will prompt you on how to proceed with the update. It will fix any known software gliches at the same time.

I hope this answer helps. Please reply if you have any questions about my response.

Posted on Feb 26, 2008

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Likely your DSM25 (that little box that connects the transducer to the display) will need to be rebuilt. The red LED is saying that there is an internal fault with the unit. You would need to send the unit in for repair through Raymarine (as there really is not anyone else who can do it), and they would have to replace the main circuit card in the box. I believe that they are charging either $150 or $175 to repair those now... but likely the only way you will get that one to work again.

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First do a factory reset and determine that all the setting are correct. You can get this info from the manual. Remember you will loose any saved way points when you do the reset. If that does not sort you out;Remove transducer from transom mount and duck tape it to a broom stick so that the transducer face is facing down. With the boat standing still in calm water and the ducer hooked to the DSM25 push it below the water and see if it see bottom on 50khz.The idea here is to get the ducer in another location to see that it is not getting reflections of the boat. 50Khz is very prone to reflecting of stuff around it. If you still have a problem I would send the ducer and DSM25 unit back under warrant .No need to send A65 back it should not have a problem.

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1 Answer

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My A65 was constantly shutting itself off. I did the reset and the unit is working just like it should now and I have had no more problems.

Go to Setup, System Setup, then Settings Reset and press Enter. This returns all settings back to their original factory values. It should not reset your waypoints or route lists. Raymarine recommends you backup your waypoints on a separate Compact-Flash card but I didn't do that as I wrote down my all my coordinates. Hey I'm a fisherman all I care about are my fishing spots.

I'm not sure what setting it was that I changed that caused the adverse affect of the unit shutting itself off but resetting the unit did the trick. I was more careful about adjusting the display settings to my liking by doing them one at a time and waiting to see if the problem returned. It has not so far, knock on wood, and the unit is working the flawlessly now.

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1 Answer

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If you have a loose RS12 try moving it around the deck and see if it make a diffrence.There might be something knocking it out.
If it is doing a cold start it cold take up to 10 min to get a fix. Once it has a fix it will aquire the next time much quicker.RS12's are mostly rock solid and get great fixes.
Also set the time up on the A65 to what you are at ,IE, universal time minus 5 if you are on the east coast of the US.Time set up is under the units menu. Hope this helps

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1 Answer

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When the engine starts, there is a voltage drop as the starters crank, followed by a power surge as the alternators kick in and the voltage comes back up.

Ferrites are only there to prevent RF (Radio Wave) interference from other onboard devices.

You should either:
-add an isolated battery to the boat to service only your electronics. That way it is unaffected by the starters.

-There are several devices on the market like Newmar Power's "Start-Gurad" that automatically switch electronics to backup power during engine start. They work great and the electronics don't skip a beat.

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1 Answer

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It is unlikely the problem is in the A65 screen.....most likely it is an issue with the paddlewheel itself, its circuit in the depth/speed transducer, or least likely, in the DSM25 sounder module.

Both the log and the trip functiions are read from the paddle-wheel sensor of the connected DSM25 sounder module and transducer.

1. Make sure you have a DSM25 sounder module and transducer with a paddle wheel (the A65 is available without the DSM25 option.)

Double check the connections between the DSM25 and the A65, as well as the transducer connection to the A65. There is an indicator light on the DSM25 to confirm it is on.

2. Make sure the paddle wheel turns freely. They tend to get fouled easily with debris and growth.

3. Make sure the A65 is giving to a reading for SPEED when underway or when having a buddy spin the paddlewheel by hand. Do not confuse SPEED with SOG. SPEED is from the paddlewheel.....SOG (Speed over ground) comes from your GPS sensor and is not used by A65 for log or trip purposes.

If you get npo speed reading at all the paddle wheel may be defective or the depth/speed transducer may be defective. See your dealer about a replacement.

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