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12-09-2010, 12:26 PM
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#1
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Junior Member
Join Date: Aug 2010
Posts: 21
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lights very dim
Winterized and removed house batteries, but with the extremly cold temps the last few days reconnected to shore power and put a small heater near kitchen and bath. When i turned on the lights noticed that they were very dim. why would that be if connected to shore power?
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12-09-2010, 12:47 PM
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#2
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Senior Member
Join Date: Aug 2010
Location: Manitoba
Posts: 1,283
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I wouldn't plug the camper in without having a battery in place. Not sure what that would do to the power center, as it's main job is to charge the battery.
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12-09-2010, 12:56 PM
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#3
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Senior Member
Join Date: Apr 2010
Location: Galloway,OH
Posts: 262
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Most of the lights operate on 12 volts and are powered by either the battery or the converter, depending on whether or not you are plugged into shore power. If the 12V lights are dim, it could be from low output from the power source or excessive draw due to too many 12V items being on at once.
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12-09-2010, 12:58 PM
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#4
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Site Team
Join Date: Mar 2008
Location: Southwest Alabama
Posts: 9,850
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If you're running off a regular extension cord and have two electric element heaters running you probably have a great deal of voltage drop. Without batteries to buffer it the lights will be pretty dim.
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Salem 29RKSS Pushing a GMC Sierra 2500HD!
Gotta go campin!
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12-09-2010, 02:27 PM
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#5
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Junior Member
Join Date: Aug 2010
Posts: 21
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Thanks I will put one of the batteries back in to see what happens.
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12-09-2010, 03:55 PM
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#6
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Senior Member
Join Date: Mar 2008
Location: Jacksonville Florida
Posts: 1,264
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You will eventually burn up the converter with no battery load. A charged battery should not freeze, I don't think. Randy
__________________
/SIGPIC]'08 V-lite Flagstaff 30WRLS
'06 Ram 1500 QC hemi Reese dual cam sway control,
K&N series 77 intake, Hellwig helper spgs. LT tires,
Flowmaster "true duals", 380 h.p., Bilstein shocks
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12-09-2010, 09:52 PM
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#7
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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Quote:
Originally Posted by 08flagvlite
You will eventually burn up the converter with no battery load. A charged battery should not freeze, I don't think. Randy
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This is true; A fully charged battery will not freeze in typical freezing conditions. Not sure about the North Slope of Alaska.
The trickle charge from the 3 stage converter will also keep the electrolyte warm and assist in keeping the battery safe.
You should still check the fluid level every month.
http://www.wfcoelectronics.com/docum...%20English.pdf
Is the manual. It says nothing about running it without the battery.
However without the battery in the loop, very low AC VOLTAGE as a result of high demand and long extension cord could result in Low DC voltage output. This condition (low AC input voltage) will fry more than the converter. Check your AC voltage at the outlets. Anything below 100 volts is a SERIOUS low voltage condition and can result in failed electronics throughout the camper. (Fridge, Microwave, Air Conditioner, Water heater, Concertone, etc.) I see an Autotransformer in your future if that is the case.
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Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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12-10-2010, 08:57 AM
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#8
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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Contacted WFCO about this
The converter can work without a battery except for opening and closing slides. Slides draw an enormous amount of power quickly and there are no converters that can keep up with the instant power demand like a battery can.
Low input voltage could cause low output however it’s more likely to cause the converter to work harder to supply the DC power demand. Working harder will cause the converter normal temperature to increase which will age the electronics quicker shortening is life time.
Be Well,
Technical Support
Phone: 877 294 8997 ext. 106
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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12-10-2010, 11:08 AM
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#9
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Junior Member
Join Date: Aug 2010
Posts: 21
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Thanks Lou, I reinstalled the battery last night and also downloaded a copy of the WFCO manuel for future refrence. The lights came right back up.
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12-10-2010, 12:13 PM
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#10
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Senior Member
Join Date: Aug 2009
Location: Northern Colorado
Posts: 508
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This is all good to know. I've never thought about plugging in without the batteries in. I just take them out for the winter and bring them inside with a trickle charger mainly because I don't want to keep the trailer plugged into shore power all winter.
__________________
Tom
2004 Fleetwood Providence 38U
currently not towing a toad
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12-11-2010, 08:00 AM
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#11
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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It does not sound like a big deal to run the converter without a battery if you are just going to do some maintenance on the camper (without running slides). Lights, radio, and TV should be fine.
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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12-13-2010, 09:00 AM
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#12
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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Complete Email from WFCO
Lou,
I would say the AC powered heaters are consuming enough power to lower the AC voltage which depending on the decrease in voltage could affect the converter’s output.
In addition it could be the distance between shore power and the converter, the shore power voltage and amperage rating, the amount of DC lights turned on, the amp rating of the converter, the manufacture of the converter… More information and testing would help to resolve the issue.
Putting a battery in place is not solving the issue it’s just adding to the difficulty in finding the cause. From what I read the shore voltage and amperage have to be verified. The DC voltage and amp draw with and without the lights on has to be measured and the converter’s amperage rating has to be verified.
Yes Lou you may use this email.
Be Well,
Daniel Derrow
Technical Support
Phone: 877 294 8997 ext. 106
d.derrow@wfcoelectronics.com
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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