[C320-list] LinkPro problems

[Warren Updike]

Mike, you must be sure the negative wire of your shore charger is not
attached directly to the 4Ds or anyplace in between the shunt and the
battery.  All of the current in and out of the batteries, at least the
negative side, must connect on the outside of the shunt or before, (not the
battery side.)  Otherwise, the monitor will not see the current flowing into
the battery bank and will cause what you are seeing.  I made the same
mistake when I did my upgrade.

Warren & Pattie Updike
Catalina 320, #62, "Warr De Mar"
Middle River, Chesapeake Bay

-----Original Message-----
From: Mike Paris [mailto:mparis495 at gmail.com] 
Sent: Saturday, July 17, 2010 1:51 PM
To: C320-List at Catalina320.com
Subject: [C320-list] LinkPro problems

I have two flooded 4Ds, a Xantrex Truecharge2, and a LinkPro battery
monitor. I am plugged into AC shorepower when in my slip. 

When I return to the boat after it has been on the charger a couple of days,
the LinkPro shows a low battery message. The voltage on each battery reads
13.4 on the LinkPro, a multi-meter, and the Catalina stock gauge. The
charger shows that it is charging. 

This morning I did a test. The main battery was down to 80% on the LinkPro
(I went out yesterday but did not plug in the charger).  I then ran the
charger for 3 hours. The LinkPro and the charger indicated a charge was
taking place for 3 hours. However, the charger then changed to float mode
and the charging stopped. The Linkpro still showed only 89.3% charge on the
main battery. Both batteries indicated 13.4v at this point as well. 

It seems that the charger and the Linkpro are not in sync. I've been doing
manual synchronization when I get the low battery message. I'm guessing that
my setting are wrong somewhere. 

Thanks for any and all advice. 

Mike P
#734


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