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10-11-2011, 05:54 AM
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#1
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Senior Member
Country Coach Owners Club
Join Date: Sep 2011
Location: Mills River, NC
Posts: 244
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House bat not charging on shore power
We just arrived in MT from AK and are staying at my niece's house - plugged in to shore power with a 50' extension cord over night. The house batteries are now super low and did not seem to charge over night. Is this a problem with the charger (converter) or is there possibly not enough power coming from her house? The house batteries are being charged just fine when we travel. The transfer switch hums when plugged into shore power.
I hate to run the coach to charge the batteries (we are in a neighborhood) - or the gen set for that matter.
I'm super new at this, so if you don't mind, please be basic if you reply! I'm grateful for anyone's help on this...seems I'm in a bind. 
John
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John
2003 CC Allure 36’ First Ave. #30914
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10-11-2011, 06:08 AM
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#2
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Senior Member
Country Coach Owners Club
Join Date: Sep 2011
Location: Mills River, NC
Posts: 244
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Oh, we have an '02 KSDP3669 and the converter is an IOTA DLS-55. The water pump is super sluggish and we are getting AC (light is on on the microwave). WHen I press the "read volts" switch up front, it shows 10.3
I have installed a new 1,000 inverter that is working great - now that we are plugged into shore power (the unit is hard wired). We don't have a "surge protector" installed. The automatic transfer switch is a Lyght.
Again, thanks!
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John
2003 CC Allure 36’ First Ave. #30914
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10-11-2011, 06:30 AM
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#3
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Member
Join Date: Feb 2011
Location: Gardnerville, Nevada
Posts: 64
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If you have AC power it's not the transfer switch. Most likely you've lost your converter. Put a meter on the converter to check the output after you first make sure the fuses on the converter are good.
You can use an automotive battery charger on the batteries temporarily that will quietly keep your batteries charged until you solve the problem.
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Retired RV Technician
Travlin the West
Winnebago Outlook, Victory Vision, Silverado 3500, Dog ,Wife ( not in that order)
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10-11-2011, 06:31 AM
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#4
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Member
Join Date: Feb 2011
Location: Gardnerville, Nevada
Posts: 64
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Also make sure the inverter is turned off until you solve the problem
__________________
Retired RV Technician
Travlin the West
Winnebago Outlook, Victory Vision, Silverado 3500, Dog ,Wife ( not in that order)
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10-11-2011, 06:58 AM
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#5
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Senior Member
Country Coach Owners Club
Join Date: Sep 2011
Location: Mills River, NC
Posts: 244
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OK, both 30a fuses were blown. Replaced with new ones and the converter seems to be charging the batteries. I'll check the output of the converter when I get my voltmeter from inside the house (they are still in bed). What should the converter output volt be?
And yes, thanks, I've unplugged the inverter.
The culprit (I think)? The end on my extension cord is possibly the fault. I'll get a new end and install it today.
THanks for the help...
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John
2003 CC Allure 36’ First Ave. #30914
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10-11-2011, 07:09 AM
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#6
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Senior Member
Country Coach Owners Club
Join Date: Sep 2011
Location: Mills River, NC
Posts: 244
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Both fuses blew after replacement. Makes no sense to me. What could cause the fuses to blow?
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John
2003 CC Allure 36’ First Ave. #30914
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10-11-2011, 07:13 AM
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#7
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Member
Join Date: Feb 2011
Location: Gardnerville, Nevada
Posts: 64
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Converter output should be 13.7v. I would look at the 12v side of the system for a problem as long as you have 120v AC. Usually those fuses blow because of some kind of short.
__________________
Retired RV Technician
Travlin the West
Winnebago Outlook, Victory Vision, Silverado 3500, Dog ,Wife ( not in that order)
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10-11-2011, 07:17 AM
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#8
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Member
Join Date: Feb 2011
Location: Gardnerville, Nevada
Posts: 64
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Did you make sure there is water in the batteries?
__________________
Retired RV Technician
Travlin the West
Winnebago Outlook, Victory Vision, Silverado 3500, Dog ,Wife ( not in that order)
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10-11-2011, 07:19 AM
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#9
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Member
Join Date: Feb 2011
Location: Gardnerville, Nevada
Posts: 64
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Is the inverter a new installation? Recheck it.
__________________
Retired RV Technician
Travlin the West
Winnebago Outlook, Victory Vision, Silverado 3500, Dog ,Wife ( not in that order)
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10-11-2011, 07:43 AM
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#10
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Senior Member
Join Date: May 2009
Location: Bluff Dale, TX
Posts: 624
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The IOTA Battery Charger/Power Supply is protected against reverse polarity on the DC output. If a battery or the unit is hooked up incorrectly, the fuses will blow.
Has the converter worked on AC from shore power or generator previously?
When you are traveling they are being charged from the engine alternator.
You could charge the house batteries using a regular auto battery charger plugged into AC.
Flashing lights on converter, meaning
http://www.iotaengineering.com/pplib/dlsmanl.pdf
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Most RV batteries live a long and useful life, some are murdered.
2000 National Sea Breeze F53
1998 CRV Toad
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10-11-2011, 08:26 AM
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#11
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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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Here is information on your B.I.R.D. System for battery charging.
I would check all your battery connections on them and chassis frame plus the screw connections in transfer switch for tight connections, traveling over bumpy roads will loosen things up.
Here is information on Surge Protectors they will save you from expensive appliance replacements.
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10-11-2011, 09:49 AM
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#12
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Senior Member
Newmar Owners Club
Join Date: May 2007
Location: Somewhere....
Posts: 4,054
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Quote:
Originally Posted by Gatesway
Both fuses blew after replacement. Makes no sense to me. What could cause the fuses to blow?
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Which fuses are blowing? Be VERY specific. Where are they located?
It occurs to me that you could be talking about fuses in the house (not RV), so maybe you're connecting to a 240v 30amp dryer circuit, and your RV is trying to pull more than 30amps from that circuit.
joe
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2008 King Aire 4562, Spartan K3(GT) w/ Cummins ISX 600
2014 Jeep Grand Cherokee Overland 5.7L V8 Hemi w/ Blue Ox Aventa LX Tow Bar and baseplate, SMI Air Force One brake
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10-11-2011, 07:27 PM
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#13
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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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With what Joe has just said if you are trying to hook up your coach any where near a washer dryer cuircuit, stay away from it and find a 120V outlet someplace else.
If you use dryer outlet you can wipe out all your appliances in your coach and you say you have no surge protector, bad news.
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10-11-2011, 07:32 PM
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#14
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Senior Member
Newmar Owners Club
Join Date: May 2007
Location: Somewhere....
Posts: 4,054
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Well, it could be a dryer, AC, or some other 240v outlet. Some of those might be wired properly, if they're a 4 prong outlet with neutral and ground, but you need to be VERY careful.
__________________
2008 King Aire 4562, Spartan K3(GT) w/ Cummins ISX 600
2014 Jeep Grand Cherokee Overland 5.7L V8 Hemi w/ Blue Ox Aventa LX Tow Bar and baseplate, SMI Air Force One brake
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