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03-23-2018, 10:03 AM
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#1
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Montana Master
Join Date: Jun 2017
Location: POINTBLANK
Posts: 1,877
M.O.C. #19944
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Battery - Riddle Me This
New this trip - Battery Guage, even when hooked up to Shore Power, shows battery 3/4 Charged. Only have on 12v deep cycle.
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03-23-2018, 11:17 AM
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#2
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Montana Master
Join Date: Feb 2005
Location: Haysville
Posts: 4,261
M.O.C. #3085
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Most always when hooked to shore power, your battery gauge in the panel will show full ... even if you have a 3 stage charger in the converter. Check voltage at your battery hooked to shore power ... it should read north of 13.4 - 13.8+ VDC . Maybe you hooked the battery up backwards at some point and blew the reverse polarity fuses in the converter itself. They are easy enough to check and replace.
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03-23-2018, 12:11 PM
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#3
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Site Team
Join Date: Apr 2017
Location: Colorado Rockies
Posts: 1,910
M.O.C. #19755
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x2
Do you have a multi-meter that you can check the actual voltage? That will tell you what is going on.
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Scott & Alta
2017 Montana 3160RL, Legacy, Onan 5.5Kw, Solar
2022 F-450 Lariat Ultimate
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03-23-2018, 02:52 PM
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#4
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Montana Master
Join Date: Mar 2015
Location: West Richland
Posts: 1,253
M.O.C. #17164
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Not sure if the isolation switch would have anything to do with your readings, somebody on here should know.
Tom Marty
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03-23-2018, 03:36 PM
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#5
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Montana Master
Join Date: Apr 2013
Location: Arroyo City
Posts: 3,110
M.O.C. #13395
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It’s very possible one of the lights is out
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03-24-2018, 08:27 AM
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#6
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Montana Master
Join Date: Sep 2013
Location: Pensacola (mail forward service)
Posts: 3,198
M.O.C. #13740
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I think Kolb could be correct if the same led doesn't work for tank readings. However, the design to check voltage and tank levels is very basic, cheap, and one step above putting a stick in your tanks to read their level or putting your tongue on the battery to see if it shocks you. Use voltmeter directly on battery! 12.7 vdc with no charging action is 100%...less is less. Your converter should be cycling through its program as indicated by its led on panel and as detailed in its manual.
__________________
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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03-24-2018, 09:18 PM
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#7
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Montana Master
Join Date: Sep 2017
Location: Willis
Posts: 896
M.O.C. #20587
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Here are the blinking codes from the PCC
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2018 Montana 3791RD (SOLD)
2017 Ram 3500 DRW 6.7 Cummins Aisin, B&W RVK3600 (SOLD)
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03-25-2018, 06:30 AM
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#8
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Montana Fan
Join Date: Sep 2016
Location: West Melbourne
Posts: 310
M.O.C. #18980
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Here is a table from the Trojan Battery website showing open circuit voltage vs. charge.
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Butch and Kathy
2016 3160RL Legacy, Sailun S637, Centramatic Balancers, 2-T105s, Amish Refrigeration, ARPrv, SoftStartRV, FlexArmor roof
2016 F350 6.7L SRW
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