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02-18-2016, 06:06 AM
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#15
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Senior Member
Join Date: May 2012
Posts: 2,947
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Quote:
Originally Posted by Scottybdivin
Good call. My issue of "under charging" 12.7V was the result of an open circuit on the BTS. As soon as I unplugged it, it began charging normally.
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Scotty, sorry what's BTS? I have an issue with one battery, coach side of boiling over.
__________________
Perry & Julie: 2008 Monaco Camelot 40PDQ, 400ISL, Toad; 2015 Chevy Equinox.
[SIGPIC][/SIGPIC]
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02-18-2016, 06:15 AM
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#16
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Senior Member
Newmar Owners Club
Join Date: Jun 2012
Location: Spicewood Texas (West of Austin)
Posts: 4,514
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Quote:
Originally Posted by 10Boomer
Scotty, sorry what's BTS? I have an issue with one battery, coach side of boiling over.
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Battery Temperature Sensor.
__________________
Scotty and Kristen, Airedales Dagny and Wyatt
2007 Newmar Mountain Aire 4528, 450 HP ISM, Allison 4000, 8 Lifeline AGM's
2019 F250 King Ranch 4x4 Powerstroke - SOLD
2022 F350 DRW King Ranch 4 x 4
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02-18-2016, 08:18 AM
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#17
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Senior Member
Join Date: Jun 2011
Location: FL
Posts: 11,441
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Quote:
Originally Posted by 10Boomer
Scotty, sorry what's BTS? I have an issue with one battery, coach side of boiling over.
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One battery boiling is a good indication it is sick.
Batteries are only rented, you can't keep them forever. If your charging voltage is ok the battery worn out. They can be very dangerous when boiling too. One tiny spark will make the decision to replace a mute point.
__________________
Certified Senior Electronic Technician, Telecommunications Engineer, Telecommunications repair Service Center Owner, Original owner HR 2008
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02-18-2016, 08:25 PM
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#18
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Senior Member
Join Date: May 2012
Posts: 2,947
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Understand when picked up the coach a month ago. The batteries are all new, installed by seller 12/2015 per the little dots on battery.
__________________
Perry & Julie: 2008 Monaco Camelot 40PDQ, 400ISL, Toad; 2015 Chevy Equinox.
[SIGPIC][/SIGPIC]
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02-20-2016, 11:38 AM
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#19
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Senior Member
Holiday Rambler Owners Club
Join Date: Aug 2010
Posts: 9,746
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Does the battery temp sensor stick to the side of one of the batteries, or go onto a post?
I changed house batteries last year, and there was nothing stuck on any batteries.
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Ben & Sharon
2008 43' Holiday Rambler Scepter PDQ
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02-20-2016, 12:36 PM
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#20
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Senior Member
Join Date: Dec 2011
Location: Logan Indiana (Near Cincinnati Ohio)
Posts: 755
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EXACT same for my 99 Signature. Boiled the batteries all the time corroding the heck out of the compartment and battery cable ends. Unplugged the temp sensor AND installed Thermoil in the batteries. That completely solved the issue. I still have to service the batteries once or twice a year but there is zero corrosion now and the batteries are never ever wet anymore.
Windecker
Quote:
Originally Posted by YC1
Trace the temperature sensor on the batteries to where it is plugged in to the inverter/converter and unplug it and leave it unplugged for several days. If that solves it, just leave it disconnected. I was listening to a presentation on the system yesterday and that is what they suggest.
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02-20-2016, 12:48 PM
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#21
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by Windecker
installed Thermoil in the batteries. That completely solved the issue. I still have to service the batteries once or twice a year but there is zero corrosion now and the batteries are never ever wet anymore.
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I have the same results by using just mineral oil in the wet cells and my last set of Interstate U-2200 batteries lasted 10 years in our '02 Dutch Star.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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02-20-2016, 01:09 PM
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#22
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Senior Member
Holiday Rambler Owners Club
Join Date: Aug 2010
Posts: 9,746
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Quote:
Originally Posted by 96 Wideglide
Does the battery temp sensor stick to the side of one of the batteries, or go onto a post?
I changed house batteries last year, and there was nothing stuck on any batteries.
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No matter, I found the lead going into the converter, and unplugged it.
At 45* outside temp, my float charge rate imediately went from 13.8v to 13.2v, and within minutes was flashing full charge.
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Ben & Sharon
2008 43' Holiday Rambler Scepter PDQ
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02-20-2016, 09:34 PM
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#23
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Senior Member
Join Date: May 2012
Posts: 2,947
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Quote:
Originally Posted by Windecker
EXACT same for my 99 Signature. Boiled the batteries all the time corroding the heck out of the compartment and battery cable ends. Unplugged the temp sensor AND installed Thermoil in the batteries. That completely solved the issue. I still have to service the batteries once or twice a year but there is zero corrosion now and the batteries are never ever wet anymore.
Windecker
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Where's the temp sensor located?
__________________
Perry & Julie: 2008 Monaco Camelot 40PDQ, 400ISL, Toad; 2015 Chevy Equinox.
[SIGPIC][/SIGPIC]
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02-21-2016, 08:59 AM
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#24
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Senior Member
Join Date: Jun 2011
Location: FL
Posts: 11,441
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The sensor plugs into the converter with a plug that looks like a phone connector. Once you find that you can trace the wire back to the batteries.
__________________
Certified Senior Electronic Technician, Telecommunications Engineer, Telecommunications repair Service Center Owner, Original owner HR 2008
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02-22-2016, 12:00 PM
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#25
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Senior Member
Join Date: May 2012
Posts: 2,947
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Quote:
Originally Posted by YC1
The sensor plugs into the converter with a plug that looks like a phone connector. Once you find that you can trace the wire back to the batteries.
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Thx I will look
__________________
Perry & Julie: 2008 Monaco Camelot 40PDQ, 400ISL, Toad; 2015 Chevy Equinox.
[SIGPIC][/SIGPIC]
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02-22-2016, 08:57 PM
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#26
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Senior Member
Monaco Owners Club
Join Date: Sep 2007
Location: Scottsdale, AZ
Posts: 2,321
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Some inverters use a temp sensing pad that is placed between two batteries. Magnum uses a sensor that bolts to one of the battery terminal bolts.
Picture to follow when iPad app is working again.
__________________
Harry
2008 Monaco Camelot 40' PDQ
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