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Old 11-29-2020, 12:28 PM   #1
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No Power, wont charge

My Ellipse 2015 42QD won't charge and will not run off shore power. It has been sitting for 6 months due to Covid and no place to go. House batteries are a year old. Plugged her up last night. Have 50 amp going to inverter. Solar panel not working either. Monitor station shows 2.3 amps. Shows equalizer off, wont' turn on. Inverter humming- but does not seem to be sending power out. Any ideas on what to do next?
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Old 11-29-2020, 12:36 PM   #2
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If battery voltage is too low, a smart inverter/charger is smart enough to NOT charge them.


You will have to start the charge process with a "dumb" charger, jump from another vehicle, etc.


And, if totally discharged for too long, likely DEAD.
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Old 11-29-2020, 12:40 PM   #3
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My quick guess is that your batteries are too far down for the inverter/charger to charge them back up. You'll need to try an external charger (turn off the inverter) for 12-24 hours and see if they'll take a charge.
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Old 11-29-2020, 12:56 PM   #4
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Start the main engine if its battery is OK, or clip on a battery charger to the house battery bank for an hour, to get the house battery volts up to between 10 and 12 volts. At that point, the inverter/charger will kick in and take over the charging.

You can also jump the main engine and let it run. That will send a charge back to the house batteries, after the chassis battery charges. Again, once the house bank reaches 10 to 12 volts, the inverter/charger will take over.

Leave the shore cord plugged in.
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Old 11-29-2020, 01:11 PM   #5
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I've had the inverter kick in with 20 minutes off a car charger before. As soon as it can see 9 volts or so it should turn on.
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Old 11-29-2020, 01:21 PM   #6
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I have 6 AGM batteries. I have a dumb charger or my jeep. Does it matter which of the batteries I connect to in the group? Do I only connect the positive and the negative to the frame, or connect both terminals.
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Old 11-29-2020, 01:52 PM   #7
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Try bcc charging each battery individually with a plain old dumb charger until you get 4+Volts in them. After that, charge them as a group in the normal setup.
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Old 11-29-2020, 02:00 PM   #8
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Both your sets of battery grounds are bonded so whichever ground is easiest besides the jumper between each 6v. Then charger pos to pos cable clamp of set of batteries you want to charge first. The inverter will take over pretty quick. If engine battery is good one jumper cable from main pos chassis to house will work to jump house you should start engine .
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Old 11-29-2020, 02:13 PM   #9
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IF the 6 batteries are 6 VDC batteries wired in series/parallel, connect the charger to the terminals that have cables going from the battery bank to coach.


If the batteries are 12 VDC wired in series, yes connect to any positive and any negative.


BIG DIFFERENCE!
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Old 11-29-2020, 02:17 PM   #10
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Look for a Pos. and a Neg post with more then 1 cable on it. Use them.
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Old 11-29-2020, 02:54 PM   #11
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I jumped it to my Jeep for 50 minutes and it worked. The RV is alive again. Now it is charging from the 50 amp. I really appreciate the advice.
Thanks everyone!
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Old 11-29-2020, 05:27 PM   #12
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It almost worked. It took a charge but dropped down again. Went to auto-zone and got a charger. Have it hooked up overnight. Hopefully by morning it will be looking better.
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Old 11-29-2020, 05:37 PM   #13
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Make sure the batteries are full of fluid (water) if they are dry then you’ll have to replace them.
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Old 11-29-2020, 05:39 PM   #14
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Repeating what was said earlier. If the batteries were DEAD too long, they may be terminal; in other words, they may look like they take a charge, but the charge will drop out when the charger is removed.
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