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In my coach I have a Magnum Energy ME2012 charger inverter with inside panel. Every so often I would glance at the readout of the panel and usually it maintained a charge of about 13.5v. I seen several charge rates but mostly at float charge. Today I saw a charge rate of 15.5v and 45 amps and the word equalization on the readout. As expected I checked the batteries and the house batteries are bubbling as they are being overcharged. I shut off the charger at the panel. I checked the owners manual and it has a one paragraph that states it is to break up deposits. I tried doing a soft factory reset to cancel as I don't like overcharging batteries but it continued when the charger is switched back on. It's still on after a couples of hours and I think way too long. I'm thinking about shutting it down overnight for it is already causing corrosion on the terminals. I don't want them to catch fire but they don't feel hot yet. Anybody else have problems like this? I have 4 6v CG2200P 220ah batteries wired to give 12v. They are only 1 1/2 years old so should not be bad. I'm thinking of doing a hard reset but that means removing all power. Setup seems correct for flooded batteries set to 400 amp hours.

Recently went to check the condition of the batteries and found the starting batteries almost dead. I found that there is a digital echo charger made by Xantrex that quit working. Unfortunately if it get a little damp it will fail and is not repairable. It supposed to have a solid green LED light lit when charging, flashing means a fault exists and no LED means it is fried. I have another one coming and it will be here Friday. I like to spray the batteries once a year with cleaner and hose off then coat the terminals with sealer so I may of caused it to a certain extent. Other cause is the batteries are in a area where salt spray can get to it and corrode it. I'm going to see if I can relocate it near the inverter where it stays dryer and has a fan and filters to keep it clean and cooler. I will keep you posted what I do.