I have the Pro-Pak 3 charger in my 2006 P-4 and up until this weekend have not had any trouble with this unit. Im getting things ready for my next tournament and go to plug in my batteries to top off and notice that the number 3 bank on the charger is blinking RED – GREEN, RED – GREEN so I pull out the book and check everything that it is telling me. Batteries are 1 month old so I even check to see if I have any dead cells, which I shouldnt since they are only 1 month old. I dont, so I check for tight connections,and for correct connections. Take leads off and brush , they are not dirty are corroded but do antway. Reconnect everything and plug back in and get the RED – GREEN, RED – GREEN lights still. So at this point should I assume that there is a charger problem are is there another test that I can do ? Battery 1 & 2 are showing solid GREEN lights. Any suggestions will be most appreciated.