My chartplotter stopped working last weekend. Only just had a chance to look at it. I have found that the fuse has blown, but the problem is that when I put in a new fuse and switch the plotter on. The new fuse blows straight away. Everything else on the boat is working fine and receiving power.
Any ideas on what the problem might be and what I can do to sort it out.
Hi Assuming all has been well before this happened, then the plotter is drawing exesive curret, Is the plotter connected to anything else via the NEMA port? If not then this usually points to one thing! Plotter is very unwell i'm affraid.
Thanks for info. Everything has been fine with unit up until now and has been working perfectly for the last couple of years.
Bit of a nuisance if the unit has packed up, as it is a top of the range 10" plotter and only two and a half years old.
Looks like the hassle of sending it off to be repaired is about to begin
I'm wondering if you have a Raymarine chartplotter as I have had similar problems myself with my E80 setup. This doesn't relate to the blowing of fuses but to the depth sounder failing intermittently and with no obvious cause. After searching the US forums where this issue has also been reported it appears that some Raymarine products have significant voltage intolerances and this can cause malfunctions when batteries are either over or undercharged. With my boat I suspect it's the former and I now have all my electronics turned on when out and about. I think the perment operating of the radar draws sufficient power from the batteries to avoid the depth sounder tripping all the time where before I would only turn the radar on when necessary. You may want to see if a slightly undercharged battery resolves the issue with your plotter. If you don't have Raymarine equipment then I can't think of any other suggestions except replacement or repair. Personally, I will never buy Raymarine again; my next boat will have Furuno equipment.
No it wasn't a Raymarine unit. It was a Lowrance LCX 110c sonar/chartplotter and has been working perfectly up until last weekend. Now as I have said, when I try to switch it on the inline fuse blows instantly
There is either a fault in the unit or in the wire somewhere downstream of the fuse that is causing excess current to be drawn. It could be as simple as a short where the power connector plugs into the back of the unit. I'd check the wires and the pins on the connectors carefully first. Does the fuse still blow with the wire disconnected from the back of the plotter? If so, then it's a fault with the lead or anything else taking power off the same loom.
Does the fuse still blow with the wire disconnected from the back of the plotter? If so, then it's a fault with the lead or anything else taking power off the same loom.
Do you or does anyone you know have a shore power lead for it to chweck out the unit seperately. I'm sure a dealer would if you don't know anyone else.
I have tried out the suggestions mentioned and it is definitely an issue with the unit not the boat electrics. So a big parcel is off to Navico tomorrow for hopefully a diagnosis and repair.
