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Old 01-14-2021, 06:59 PM   #1
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power

i recently went to check everything out from last time in m/h everything worked perfect before, now the house batteries are dead and inverter wont come on, any ideas to check it had been unplugged from shore power but is plugged in now.

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Old 01-14-2021, 07:15 PM   #2
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Unless you have a battery disconnect they will go dead when unplugged from shore power.
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Old 01-14-2021, 07:20 PM   #3
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how do i charge them back up? i am completly new to this
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Old 01-14-2021, 07:23 PM   #4
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Plugging back into shore power should bring them back to full charge
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Old 01-14-2021, 07:27 PM   #5
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Check what?

The inverter is powered from the batteries, until they are charged it won’t work.
If you were in store mode, you won’t be able to change to in use mode until the batteries get a charge (the use ,store relay operates from those batteries.

Batteries are disconnected from the converter in store mode, so even on shore power they wouldn’t charge.

Either put a charger on them or start the engine and let the alternator charge them. Until you can operate the use,store relay.
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Old 01-14-2021, 07:35 PM   #6
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on the inverter control panel im getting a no inverter comm message?
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Old 01-14-2021, 07:38 PM   #7
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how long should that take?
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Old 01-14-2021, 07:49 PM   #8
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Where would the use store relay be located?
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Old 01-14-2021, 08:08 PM   #9
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Where would the use store relay be located?
Year, Make, Model of RV?

Finding the relay won't do you much good. You need to find your USE/STORE (Salesman/Battery Disconnect) switch that operates the relay. SHould be right at you doorway entry.
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Old 01-14-2021, 08:20 PM   #10
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Old 01-14-2021, 08:20 PM   #11
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Put a decent battery charger on those house batteries, and let them take a good overnight charge.
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Old 01-14-2021, 08:24 PM   #12
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i have 4 batteries do i just put a 12 volt charger on one of the batteries?
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Old 01-14-2021, 08:42 PM   #13
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will i need to charge each battery one at a time?
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Old 01-14-2021, 08:57 PM   #14
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If the batteries had a charge before you unplugged from shore power, just plug back in and check the next day. If they aren't charged the look for the switch the others have mentioned. I don't know your coach, but a lot just need to be plugged in
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Old 01-14-2021, 09:46 PM   #15
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i have 4 batteries do i just put a 12 volt charger on one of the batteries?
That would depend on whether they were 6 volt batteries wired in a series-parallel fashion (most likely) or 12 volt batteries all wired in parallel. Post a picture of your house battery bank for a better answer.
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Old 01-14-2021, 09:48 PM   #16
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i have 4 batteries do i just put a 12 volt charger on one of the batteries?
Are your batteries 12 volt... or 6 volt? If they are 12 volt, just hook the charger to one of the batteries.
I'm not sure about 6 volt hookup. My instinct would be to hook to the output cables from the batteries. But I've never hooked a 12 volt charger to 6 volt batteries...
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Old 01-14-2021, 11:27 PM   #17
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Hook your charger to the terminals on the coach where the battery bank terminates

You will need a manual charger or use jumper cables to initiate charging on dead batteries
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Old 01-15-2021, 12:48 AM   #18
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lw's directions are spot on!
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Old 01-15-2021, 01:36 AM   #19
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Caution-- Racer if you are not sure how to connect a charger, get someone to help. A wrong connection could make this much worse.....

A 4 battery setup is usually 6 volt batteries.
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Old 01-15-2021, 11:18 AM   #20
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Caution-- Racer if you are not sure how to connect a charger, get someone to help. A wrong connection could make this much worse.....

A 4 battery setup is usually 6 volt batteries.
I would have to agree with Hooigan. Based on the questions asked and the follow up posts by the OP I think this problem is a bit beyond their abilities to correct and they should seek out additional assistance. Mistakes at this point can be physically and financially painful.
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