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post #9 of Old 07-25-2012
Once known as Hartley18
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Re: Battery alarm while moored.

Originally Posted by jklingenstein View Post
All panel breakers were OFF.... including the fridge breaker.

Nothing on the boat had electricity yet the battery voltage dropped enough to cause the voltage alarm to sound.
Often essential equipment, like bilge pumps, will be wired directly to the house battery bank - not via the breaker panel.

It could be that the house battery is on it's last legs and the bilge pump is telling you.

Like others have already suggested, you'll need to get out a multimeter and find out. Good luck!

A bad day on a boat beats a good day in the office

Last edited by Classic30; 07-25-2012 at 08:57 PM.
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