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Old 10-19-2014, 07:29 PM   #1
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Echo Charger Woes?

I have an echo charger and my coach is plugged in to 110 power.

I walked out to my coach today after it sitting for a week and found my coach chassis batteries almost dead. They are brand new at only a few weeks old.

Does this mean my Echo charger isn't working and not charging the chassis batteries?

Coach (house) batteries are at 13.6v so I assume they are being charged by the inverter/charger.

Any thoughts
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Old 10-19-2014, 07:52 PM   #2
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Wow you have some serious parasitic draw if 2 new batteries went dead so fast. Since they are run down right now you could plug in the charger and check the terminals with a volt meter
If you are at 13.6 volts or so, with the charger connected, the charger is working.
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Old 10-19-2014, 08:16 PM   #3
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I checked them before putting my standalone charger on them. They were down to 3.6v. That's why I'm worried about the Echo charger. I don't think it's doing its job in charging the chassis batteries. I can get AmpL 15 amp 4 stage charger for $59. To replace the Echo charger, it's about $150. I'd be happy to just unhook it from the chassis batteries and use something else I know will work. Although it may be something simple to fix the Echo charger first. Could be wiring. I don't know.
Can I check what's coming out of the Echo charger for voltage easily?
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Old 10-19-2014, 08:24 PM   #4
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If the Echo charger is connected through the coach wiring and you are plugged in and you read 3.6 volts at the battery then you have the answer. The charger has stopped working. You didn't say what was wrong with the old batteries but if one of them was shorted, that could have damaged the Echo. Or maybe its somthing as simple as a blown fuse?
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Old 10-19-2014, 08:37 PM   #5
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Have you checked the in-line fuses? I have an Echo Charger that wasn't keeping the batteries charged so I dug into wires, etc. On my coach I have two (2) wires that come down from the Echo Charger to the Battery Isolator posts. Each has an in-line fuse holder, and both my fuses were blown (from previous owner). Replaced the fuses two (2) years ago and everything has been perfect since.
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Old 10-19-2014, 08:47 PM   #6
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I think I will change the two inline fuse holders and fuses and see.

If I take the red wire off my batteries and check voltage, should I be reading 13.6v on the wire?
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Old 10-19-2014, 08:54 PM   #7
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If the charger is working you would read 13.6 volts even with the wires connected to the batteries. Since you are reading only 3.6 volts, thats the battery only. When the charger is working you would read the charger voltage while connected if the coach is plugged in to shore power and only the battery voltage when the shore power is removed.
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Old 12-19-2014, 09:42 PM   #8
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Quote:
Originally Posted by dogpatch View Post
I think I will change the two inline fuse holders and fuses and see.

If I take the red wire off my batteries and check voltage, should I be reading 13.6v on the wire?
did you figure out your problem
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Old 12-19-2014, 10:24 PM   #9
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If I leave my coach sit for a week not plugged in something will drain the chassis batteries. Since I don't like to leave it plugged in all the time I make sure everything is charged and then turn off the battery disconnects. My coach does have a small solar charger that still charges when they are shut off. I can leave it sit for a couple months and it is still charged.
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Old 12-19-2014, 10:43 PM   #10
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I decided not to deal with the Echo charger as my house batteries charge fine. I bought a NOCO Genius 12v 7200 mA Wicked Smart Battery Charger.
It's a 12 step charger that can renew your batteries, peak charge them then maintain them. I plug it in all winter and leave my batteries in the coach. I give it a 5 out of 5!
A new Echo charger was $154 US. It can get stuffed as far as I'm concerned.

Noco Switch Mode Multistage 12 Volt - 7.2 Amp / 24 Volt 3.6 Amp
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Old 12-20-2014, 01:21 AM   #11
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My echo charger went south so I installed the Magnum combiner works great.
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