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Furuno - FCV-585 Problems / Questions

Old 12-05-2017, 11:00 AM
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Default Furuno - FCV-585 Problems / Questions

I have Furuno FCV-585 and the screen goes blank when I try and power it on.

Here's the story: I have a main Depth Finder toggle switch that is the main circuit breaker for the depth finder, just like most center consoles, you need to flip this breaker so you can power on the unit. Instead of shutting off the Furuno through the switch on the main unit, I shut it off via the main toggle switch. When I went back to turn on the unit, the screen tried to fire up, but went blank.

I hear that fuses get blown on this unit frequently. Could someone provide me any insight on how I can address / fix this problem.

Thanks in advance.
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Old 12-05-2017, 11:56 AM
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1) Most breakers are designed to be breakers, not switches. Regularly switching current on/off by flipping a breaker can easily lead to its premature failure.

2) I'd put a voltmeter on the power connection to the 585, as close to the 585 as you can get and certainly downstream of the breaker you operate. Watch the volts as the unit powers on. Assuming the 585 itself is not bad, I'm guessing you'll see the voltage dip to around 11 just as the screen goes dark during power up, indicating a poor power connection to the 585... like you might get when a breaker is going bad from repeatedly switching on/off.
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Old 12-05-2017, 12:20 PM
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bad news: it's your motherboard: it crashed and burned. It's $500 just for the part. So, I would be looking at a replacement: sorry, not what you wanted to hear: but, mine as well upgrade to the 588 at this point. You can use your same power chord and transducer and same footprint... but, your 585 is dead.

OR

it's just a fuse. Send it to Marine Max Electronics in SE Florida. They will diagnose it and repair it if it's just the fuse...but, I'm willing to wager it's the motherboard.
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Old 12-05-2017, 01:19 PM
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I'm afraid Sydngoose is right, My 5 year old 585 did the same thing, Furuno told me is sounded like the motherboard and it would be $500 plus the service charge. I can't remember what the charge was going to be but it was high, a no brainer to get the 587 (lasted at the time).


good luck
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Old 12-05-2017, 03:24 PM
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Originally Posted by BOA3T View Post
I have Furuno FCV-585 and the screen goes blank when I try and power it on.

Here's the story: I have a main Depth Finder toggle switch that is the main circuit breaker for the depth finder, just like most center consoles, you need to flip this breaker so you can power on the unit. Instead of shutting off the Furuno through the switch on the main unit, I shut it off via the main toggle switch. When I went back to turn on the unit, the screen tried to fire up, but went blank.

I hear that fuses get blown on this unit frequently. Could someone provide me any insight on how I can address / fix this problem.

Thanks in advance.
the only thing to try is continue to hold the power button on for about 30 seconds or more after it fires up.
If that does not work..time to get a new M board or shop for a replacement.


.
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