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LX and LXI (Unique Issues) If you have a unique issue with your LX or LXI model coach and it can't be answered in one of the other forums here, then this is where you can list it, WITH THE EXCEPTION OF THOSE ISSUES INVOLVED WITH ANY LAWSUIT.....list your LX and LXI Parts here too.

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  #1  
Old 09-06-2013
mhughes01's Avatar
mhughes01 mhughes01 is offline
Mike and Tracy
 
Join Date: Mar 2008
Location: Near Edmonton
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Red face Electrical Overcharging

I'm working with a local general coach specialist in Edmonton who does his best.

Our chassis batteries weren't charging. Replaced all three. Still no go. I also replaced four of the six big 4Ds that weren't passing a load tests. All this just before she went in for her annual. Changed alternator (one leg was dead), plus regulator, and a solenoid. That brought the "annual" on her to $6,500 with some other general preventative maintenance work. ;((

Picked her up thinking/hoping that was it. BUT, now all the batteries boil over so she's back at the shop. He's thinking bad batteries. Gauges and meters show over 14v, but water is boiling out and the H2S smell would knock a guy over. Says its overcharging from wall plug as well, but it wasn't doing that before I took it in (I have 50A for her in my shop).

It was running when I picked her up. Only thing I did was start Genny for some AC.

FIRST THING I NOTICED was signal light turned on wiper. Other mysterious lights on dash I've never seen before making me worry about massive overload.

Haven't heard from him for a few days and worried sick whatever they did burned things up. Anyone had anything like this?
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Mike and Tracy - near Edmonton, Alberta, Canada
1999 43 LXI, "Maddy" - 60 Series Detroit
FOR SALE, $65k U.S. OBO
2006 Jeep Liberty CRD (Diesel) or 2013 Jeep Rubicon 4 Down Toads; Sold Jetta, but it was an awesome toad.
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  #2  
Old 09-06-2013
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yesmar yesmar is offline
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Default

I had a 2000, so they should be the same.

First, the 3 engine starting batteries are only charged when the engine is running or you have the momentary switch in the on position. Your starting batteries are not charged by the inverter/chargers when hooked up to shore power, unless the switch is engaged.

Second, you determine the charging rate to the house batteries in the inverter set up, where you can choose gel cell or lead acid for the battery type. My coach came with Gel cel batteries (4d) for the house batteries and lead acid for the starting batteries ( 31 size). Because the batteries have different charging rates, it is not a good idea to keep the Mom switch in the on position while plugged up to shore power. I too had problems with the engine batteries going down when the coach sat for a long time. However, I really did not notice it too much as long as the house batteries were fully charged, because when you turn the key, the coach automatically combines all batteries when cranking and running. Because of this, the engine batteries usually only lasted 2 to 3 years whereas the house batteries lasted about 5 years between replacements.

I am not right, I expect my buddies to chime in and help us both out.
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Yesmar@fairpoint.net
Eight 5 zero four four 7 one 7 zero zero
1994 Wanderlodge (sold)
2000 LXI (sold)
1993 Wanderlodge(Sold)
2004 M380 (FOR SALE)
1997 Marathon
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  #3  
Old 09-06-2013
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sfedeli sfedeli is offline
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Don't sell yourself short Richard! Even the blind squirrels find a nut now and then. You pretty much hit that one right out of the ballpark! Sue must have cooked you up some breakfast vittles this morning.
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  #4  
Old 09-06-2013
al perna al perna is online now
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Default over charging

Quote:
Originally Posted by sfedeli View Post
Don't sell yourself short Richard! Even the blind squirrels find a nut now and then. You pretty much hit that one right out of the ballpark! Sue must have cooked you up some breakfast vittles this morning.
x2 Richard , great post . only question I have is , are you saying we do not charge th AUX batteries when on 50amp ?
I thought it was when driving we do not charge ?
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  #5  
Old 09-06-2013
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Your house bank is charged when on 50 AMP. The engine bank is charged by the alternator. When you hit the momentary switch both banks are "tied" together. If the engine is running the alternator charges and if on shore power the inverter/charger charges everything.
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  #6  
Old 09-06-2013
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warbucks13477 warbucks13477 is offline
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Mile first fire the tech and find someone that understands how charging systems work and knows how to read the BB schematics. He may have ruined your new batteries.
How you use the batteries has nothing to do with how long they will last. it is determined 1) how far you discharge them every time you use them below the 50 percent level 2) whether you use distilled water or street water in the cells and when you add water, for example Never add water when the batteries are not fully charged 3) how often you equalize your batteries 4) keeping them clean
Makes me wonder why owners pay over a hundred dollars a piece for deep cycle batteries and then install to small a charger, without a true 3 step. Hargimg cycle, without an equalization cycle, with no imstrumentation like a xantrex link 1000 to monitor all of the 12VDC in the coach and the condition of the alternator and batteries.
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  #7  
Old 09-06-2013
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Mallie Lennon Mallie Lennon is offline
1995 WB 42’ Series 60
 
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Quote:
Originally Posted by Rick View Post
Your house bank is charged when on 50 AMP. The engine bank is charged by the alternator. When you hit the momentary switch both banks are "tied" together. If the engine is running the alternator charges and if on shore power the inverter/charger charges everything.
I think the house is charge by the two inverter chargers when on shore power/50a. and engine batteries can be charged if sw is turned on.

When you start the engine, both sets are charged.

On thought here. Both charger are charging on 50A, and either one can hang and cause over charge. I know, my did a couple of weeks ago. Bang on the invertor and it stopped.
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  #8  
Old 09-06-2013
Mlegue2 Mlegue2 is offline
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Default Confused on battery switches and 12v components

Can someone tell me whether the battery switch (off/batt1/batt2/both) has anything to do with things like the 12v compressor, outside radio etc. It seems like my starting batteries are always low unless I have the mom switch in the on position, but I saw in the thread that I should not have that switch on when on shore power.

I swear my little compressor is possessed (sic)' but it seems to be tied into the starting batteries. The other day I used the radio on the outside entertainment system just fine, yesterday I couldn't get it to turn on.

Seems like I am babbling, but I live full time and really would like to understand which switch should be in what position. I just don't want to ruin batteries or damage the system.

Thanks
Ed
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  #9  
Old 09-06-2013
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Mallie Lennon Mallie Lennon is offline
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The only thing wrong with keeping the batteries tied together all the time when on shore power, is if you loose AC power, for what ever reason, the batteries drain pretty quick, and with the switch on, it is going to drain the start batteries too. Everything will be dead!!!
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  #10  
Old 09-06-2013
George Roberts George Roberts is offline
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Quote:
Originally Posted by Mlegue2 View Post
Can someone tell me whether the battery switch (off/batt1/batt2/both) has anything to do with things like the 12v compressor, outside radio etc. It seems like my starting batteries are always low unless I have the mom switch in the on position, but I saw in the thread that I should not have that switch on when on shore power.

I swear my little compressor is possessed (sic)' but it seems to be tied into the starting batteries. The other day I used the radio on the outside entertainment system just fine, yesterday I couldn't get it to turn on.

Seems like I am babbling, but I live full time and really would like to understand which switch should be in what position. I just don't want to ruin batteries or damage the system.

Thanks
Ed
Tie them together all the time. Only if you turn off everything and boondock or go in a restaurant to eat etc do you need to untie them. I live in mine too.
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