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Old 05-09-2012, 01:43 PM   #1
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Join Date: Apr 2012
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Lightbulb hood vent not venting

Hi all,

I just recently purchased a 2008 JAYCO MELBOURNE 29D and the other day was boiling water and noticed with the hood vent running that the steam was coming out from under the hood. Well...................on further investigation, I found that the fan was wired wrong and turning the wrong way. You could look at the flapper door on the vent and it would not move when you turned it on. The first thing I tried was reversing the fan blade, but that did nothing to help, so I cut the wires and wired white to black and black to white and presto.............IT VENTS LIKE NEVER BEFORE. The flapper is forced wide open.

I just wonder how many people are running around with a vent hood that sounds like its working but isn't??

Anyone else out there got this problem or had this problem and fixed it?

Its a stainless steel hood vent. I don't see a brand name on it.

Hope this helps others.


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Old 05-10-2012, 12:29 AM   #2
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Yep, you fixed it the right way. A lot of errors are made at the factory in the construction of RVs and TTs. Good job on finding this one.

2004 Tiffin Allegro 27.5 ft. P32 18,000 lb GVW. 8.1 liter. Workhorse chassis built May 2002. 21,000 miles. 2012 Jeep Liberty Toad. RVi2 brake unit.
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Old 05-10-2012, 12:48 AM   #3
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Yep, reversing the blade doesn't work, rewiring it does. In fact that's how a reversing switch works on a Fantastic Fan. They use a double pole double throw switch to reverse the current flow.
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft
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Old 05-10-2012, 02:15 AM   #4
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I had the same thing happen on my old class a. I had a new blower motor installed [heater]. Left for Florida [Dec.] and froze all the way down. Had to run the furnace's No heat, ice on the inside windows. The blower motor was wired wrong. I always recheck work done on my coach now.
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Old 05-10-2012, 03:11 AM   #5
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mine was wired wrong also
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Old 05-12-2012, 03:36 PM   #6
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Boil Water???????? my DW doesn't think that can or should happen when we are in our RV.........!!!!!!!!!!!!! HA

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Grayhawk 31 SS
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