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07-26-2013, 07:42 PM
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#1
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Junior Member
Join Date: Jul 2013
Posts: 2
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Battery problem on 2012 rambler ambassador
I have a 2012 36' Rambler Ambassador and have experienced low battery problems. I am a first time RV owner. I take care to make sure the house batteries have water and are charged. When I leave the RV, I turn off the inverter, batter disconnect switch and the chassis and house battery switches in the rear. A couple of days later, the house batteries are showing 'low battery'. The generator will not start without starting the engine. I had the charging system checked and no problems were found. Any suggestions?
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07-26-2013, 09:09 PM
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#2
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Senior Member
Join Date: Sep 2012
Posts: 4,232
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Possibly you aren't turning the disconnects off. Maybe aren't working right.
Also, when you disconnect batteries, the converter can not charge them (usually) because they are disconnected, both from giving and taking power.
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07-26-2013, 10:45 PM
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#3
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Moderator Emeritus
Nor'easters Club Workhorse Chassis Owner iRV2 No Limits Club
Join Date: Oct 2004
Posts: 30,785
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Where do you leave to RV, is it home, can you leave it plugged in?
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07-27-2013, 09:04 AM
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#4
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Junior Member
Join Date: Jul 2013
Posts: 2
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battery problems on 36' rambler ambassador
I leave the rv stored in an indoor storage.
The process I follow when storing is:
making sure the batteries are charged and watered
turn off the inverter
turn off the battery disconnect by front door
turn off the house and chassis battery switches in the rear of coach.
After a few days, the house batteries show low charge. Something is still using power somehow. Or I have bad batteries......?
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07-27-2013, 10:15 AM
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#5
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Senior Member
Monaco Owners Club
Join Date: Mar 2012
Location: Angola State Prison - Murder
Posts: 4,230
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Your batteries could be weak and/or a combination of that and if your battery disconnect does NOT turn power off to the emergency systems, (LP, CO2 and Smoke detectors), which most coaches don't.
If the batteries are fully charged
(12.7v) after surface charge dissipates, then 2-3 days of those systems would not put the batteries in a weak state. Or shouldn't be less than say 12.4v.
Any battery shop can load test them for weakness. I would also verify whether or not your detectors remain powered with battery switch off. If so, you want to remove the cables or take them home during extended storage. For longest life, they should be kept on a trickle charger.
__________________
John & Clare Lyon
2007 43.5' Monaco Dynasty Palace III (All Electric)
Towd: 2011 Chevy Equinox
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07-27-2013, 11:03 AM
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#6
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Senior Member
Join Date: Sep 2012
Posts: 4,232
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I'm wondering why you have three D/C switches.
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07-27-2013, 11:13 AM
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#7
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Registered User
Fleetwood Owners Club Freightliner Owners Club
Join Date: May 2011
Location: Silicon Valley, CA
Posts: 1,857
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Things to check
Basement lights. Open every door and look.
Closet lights.
Radio off, all the way off. If you can turn the radio on with the power switch on the radio it's not all the way off. Turn it off at the monoplex switch.
If your C0 and LP detector does not beep when you re-connect the batteries it's probably getting power. Those things used to be notorious battery drainers.
Refrigerator off. Especially if you have a 3-way refer.
TV Antenna booster. If you have a video BOMB (box of many buttons) make sure that no buttons are pressed. The boosters are sometimes built into the BOMB.
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07-27-2013, 05:46 PM
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#8
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Senior Member
Monaco Owners Club
Join Date: Jun 2007
Location: Lake Havasu City, AZ
Posts: 1,392
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Do you have a Residential refrigerator? If so turn it off with the breaker. It sounds like the inverter is on and the refrigerator is on, that takes about 2 days to run the batteries down.
__________________
2012 Monaco Knight 36 PFT
Towing either a 2019 Jeep Grand Cherokee Overland or a car in a 20' enclosed car trailer.
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