Garmin GPS 555 Chartplotter not working

andrewbrittain

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4 Apr 2011
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Hi

I have a Garmin GPS 555 installed on our Four Winns Vista motorboat - which was working fine up until the weekend, when, shortly after setting out, the screen went blank, the power went off - and it couldn't be turned back on again.

I checked the fuse and no problem there - and I double-checked the cable connection in the back of the unit. Beyond that, with zero knowledge of marine electrics, I'm at a bit of a loss.

I'm not totally sure if it's related, but at the time the chartplotter failed, I'm sure I heard an unusual beeping alarm coming from somewhere (which I've never heard before).

Does anyone have any suggestions at all?
 

andrewbrittain

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If you have a volt meter, check your boats battery voltage. Should be at least 12.5 volts with engine off?

Where in the world are you located? :rolleyes:

ps: Welcome to the YBW forums. :)

Hi. Thanks for your reply. Voltmeter readings are all normal (and all other electrics are working fine). I'm in Swanwick, Southampton.
 

Pete7

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11 Aug 2004
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Garmin are just down the road from you near Marchwood. Give them a shout and drop it in for repair. The last one I asked for a repair came back as a completely brand new unit for the price of the quoted repair well outside the warranty period.

Pete
 
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