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08-16-2014, 07:00 AM
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#1
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Senior Member
Join Date: Jan 2013
Location: Spicewood Tx
Posts: 199
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What may be the problem with my battery
I check the level of the battery and the water level was good. When i put a meter on the terminals it showed only 11.5 volts and the battery was in a discharged state. I would think the inverter would put out least 13 to 14 volts to charge the battery. Is it possible that the 12 volt charging portion of the inverter has failed? It works for everything else, just doesnt charge the battery.
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08-16-2014, 07:07 AM
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#2
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Senior Member
Join Date: Aug 2011
Location: Spokane, Washington
Posts: 368
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Do your lites and water pump work? How old is the battery and age and type of rv? Just more info please.
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08-16-2014, 07:08 AM
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#3
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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Your battery would be my "prime suspect". Take it out, go to AutoZone (or a similar store) and have it load tested. Chances are that even though the "water level is full" there's either a shorted cell or another internal issue. It could be the converter/charger, but if it powers the trailer's 12 VDC system, it's at least operating. I'd check the battery first.
With the battery disconnected, the converter should be putting out about 13 VDC. If it is, then it's probably good. Batteries sometimes don't last even 1 year. That's your first suspect.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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08-16-2014, 07:23 AM
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#4
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Senior Member
Join Date: Jan 2013
Location: Spicewood Tx
Posts: 199
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The battery is a month old. Last one shorted a cell. It's a 2012 raptor 300mp. Everything 12 volt works. The battery charges just fine on a trickle charger. I just read th manuals and there some fuses associated with the 12 volt side of the inverter.
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08-16-2014, 07:27 AM
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#5
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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If the "last one shorted a cell" and this one also has issues, it may be a "bad converter", but there's really no way to tell without doing the appropriate troubleshooting. First, look at the fuses, then go on to the TS guide in the manual.
There are two "green" reverse polarity fuses in the converter. On older models they were on the side of the converter box, on newer models they are between the 110 breakers and the 12V fuse panel. Check them, if they are good, then do the troubleshooting steps in your WFCO owner's manual. If the TS steps show the charge circuit is bad, I believe WFCO has a 2 year warranty. If out of warranty, you don't need to buy a new "panel" but just the converter box that fits behind it. Progressive also makes a converter panel that is a 1:1 exchange for the WFCO.
If you don't have (or can't find your owner's manual) it's online at the WFCO website.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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08-16-2014, 07:28 AM
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#6
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Senior Member
Join Date: Jan 2013
Location: Spicewood Tx
Posts: 199
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Just to clarify. The lights were dim when the battery was low on voltage. I hooked up the trickle charger that i brought from home. By the end of the day the battery was charged and lights were bright.
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08-16-2014, 07:55 AM
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#7
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Senior Member
Join Date: Jan 2013
Location: Spicewood Tx
Posts: 199
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What i thought was the inverter was the transfer module. Any ideas where they mount the inverter so i can check the fuses?
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08-16-2014, 08:08 AM
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#8
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Site Team
Join Date: Jun 2009
Location: Venice
Posts: 5,346
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What you are looking for is the converter/charger. That is what converts ac power to 12v dc and charges the battery. It is located in or behind your circuit breaker/fuse panel. Make sure the breaker marked CON or CONVERTER or CON/RECEPT is in the on position and as mentioned follow trouble shooting instructions from there. Good luck and let us know what you find, Hank
__________________
Hank & Lynn
2007 Cougar 290RKS, E-Z Flex, 16" XPS RIBs ( SOLD .. Gonna miss her ... looking for new 5r)
2004.5 Dodge 2500 QC, LB, 5.9HO, WestTach gauges, Ride-Rite
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08-16-2014, 08:19 AM
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#9
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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First, to clarify a bit of "terminology" there is no "INVERTER" in your RV (unless you installed a free standing inverter unit).
INVERTERS change 12VDC to 120VAC
CONVERTERS change 120VAC to 12VDC.
As for location, the "CONVERTER" in most RV's is an integral part of the power distribution panel. On some, the converter is mounted separately and where you'll find it varies from unit to unit.
If you open the access door on the power distribution panel, you'll find the circuit breakers on one side and the 12 VDC fuses on the other. You may find the two "reverse polarity fuses between them. Or you may find the reverse polarity fuses behind the circuit breakers, mounted on the converter box.
Here's a picture of the "current model fuse position". The reverse polarity fuses in this picture are red, usually they are green.
note: this picture is from the internet, not my trailer. There are several "overfused" circuits in this picture and they are safety hazards.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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08-16-2014, 10:12 AM
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#10
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Senior Member
Join Date: Jan 2013
Location: Spicewood Tx
Posts: 199
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All corrct on the language. Its a converter. Heres a pic of mine. I can't find the reverse polarity fuses and i cant actually locate the converter it's self. Behind the breaker panel pictured the wires go into the wall. So i can't see the actual converter. Any ideas as to where it might b located?
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08-16-2014, 10:27 AM
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#11
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Senior Member
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,457
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Quote:
Originally Posted by ocho
All corrct on the language. Its a converter. Heres a pic of mine. I can't find the reverse polarity fuses and i cant actually locate the converter it's self. Behind the breaker panel pictured the wires go into the wall. So i can't see the actual converter. Any ideas as to where it might b located?
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Usually directly below the distribution center. That's a WFCO unit here is a link to their website. http://www.wfcoelectronics.com/UI/Default.aspx
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09-20-2014, 06:34 AM
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#12
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Senior Member
Join Date: Jan 2013
Location: Spicewood Tx
Posts: 199
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When you say Distribution panel, are you talking the panel with the breakers and fuses? Like the pic I sent?
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09-20-2014, 06:41 AM
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#13
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Senior Member
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,457
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Quote:
Originally Posted by ocho
When you say Distribution panel, are you talking the panel with the breakers and fuses? Like the pic I sent?
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Yes........
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09-20-2014, 06:52 AM
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#14
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Senior Member
Join Date: Jan 2013
Location: Spicewood Tx
Posts: 199
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Ok, Im gonna get into this a little further this weekend. For now im using a separate charger/trickle charger that I use at home in the garage. I just plug it into the exterior AC receptacle and run it into the battery compartment. Works great, but not right. I still have not found the convertor tho
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09-20-2014, 06:59 AM
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#15
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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There are four #2 square drive screws in the flange around your power distribution center. "UNPLUG SHORE POWER AND DISCONNECT THE BATTERY" and then remove those 4 screws. Once you do that, you should be able to wiggle the power distribution center out of its mounting location. Once it's out, you should see the converter mounted to the lower rear part of the power center.
You do not have to remove the power distribution center to do the troubleshooting steps in the WFCO manual. The two battery/12 VDC terminals on the front of the fuse panel are your test points.
It will look something like this:
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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09-20-2014, 07:11 AM
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#16
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Senior Member
Join Date: Jan 2013
Location: Spicewood Tx
Posts: 199
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Wow, thats small. I had the PD panel out looking for something much larger. Ha! I'm hoping that the reverse polarity fuse are mounted there as they are not on the distribution panel. Thanks for the help. Let y'all know.
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