[C320-list] Battery Charger Mystery
Dick Walker
dickwalker at att.net
Thu May 31 12:11:17 PDT 2012
Don't know how you got the water. But suggest you get the 40 amp xantec charger as a replacement.much better product that many have moved to
Cheers
Dick Walker
On May 31, 2012, at 12:05 PM, "Henderson, David" <dhender at allstate.com> wrote:
> Hello All, I have an issue that I don't remember ever seeing on the
> list, and would appreciate any input or advice.
>
> Boat was launched last Friday afternoon (YEAH!!!). Sailed her to home
> port in Cohasset, MA next day. Upon arrival, plugged shore power and
> flipped on the breaker for my Charles Industries 30 amp charger.
> Immediately heard a "snap, crackle & pop" kind of sound coming from the
> direction of the port cockpit locker. Shut off the breaker and went to
> investigate. Found water droplets all over the cover of the charger and
> a smell of something electrical that had burned. Subsequent multimeter
> test of the charger confirmed it was dead - plenty of AC still going
> in, but no DC coming out. I think it's safe to assume that the water
> got inside as well and fried it. Upon removing the charger next day,
> noticed salt crystals all over exterior - it would seem that ocean water
> is the culprit.
>
> I have shipped the charger back to Charles to see if it can be repaired.
> Meantime, my real question is, how the heck did the water get in there?
> This is 8th season with this boat and have never had this problem
> before. The weather conditions during Saturday's sail were light winds
> and calm seas. No waves or chop, and no chance of getting the rail in
> the water.
>
> Two possibilities I can think of: 1) The vented loop in the locker.
> Believe this is part of raw water cooling system. I checked the hose
> clamps and they were reasonably (not completely) tight. When I started
> engine for first time, it took several minutes for the pink stuff
> antifreeze to pump through and out. It must have coagulated or there
> was some other blockage as all of a sudden there was a big burp and a
> bunch came out at once, and she pumped pure salt water beautifully after
> that. Before it cleared itself, perhaps there was enough back pressure
> to force salt water out of the vented loop, and it sprayed onto the
> charger??? 2) Condensation - There were a couple of very wet towels
> and coils of line in the locker. Were the drops of water on/in the
> charger just condensation????
>
> Anybody else lose a charger in this way? Thanks much.
>
> Dave Henderson
>
> "Dottie B" #1049
>
>
>
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