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02-23-2014, 10:47 AM
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#1
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Junior Member
Join Date: Feb 2014
Posts: 8
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buzzing noise
Our newly purchased 2000 Country Coach Magna Millenium has a constant buzz or humming sound coming from the roof(which we can't get to because it doesn't have a ladder until we buy one!)It is the loudest sound a couple feet behind the AC ceiling vent. It is especially irrating when the TV isn't on! Any ideas of what that could be before we have to start wearing earplugs?
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02-23-2014, 11:48 AM
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#2
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Senior Member
Newmar Owners Club
Join Date: Jul 2006
Location: Wellington, Florida
Posts: 13,599
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Hi harelmover,
Welcome to iRV2. Is the noise all the time or just when the unit is running?
__________________
Gary
2005 Newmar KSDP 3910 + GMC ENVOY XUV 37K lbs Moving Down The Road
The Avatar Is Many Times Around The USA
Nobody Knows Your Coach Like Somebody Who Owns One Just Like Yours
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02-23-2014, 12:31 PM
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#3
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Junior Member
Join Date: Feb 2014
Posts: 8
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buzzing noise
I'm not sure I'm doing this right so I hope this gets back to you,Gary. The noise is all the time
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02-23-2014, 01:03 PM
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#4
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Senior Member
Damon Owners Club Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 24,024
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If it is comming from the roof there are basically two or 3 candidates
1: Camco solar powered fridge fan replacement fridge flue cap (I plan on getting one of those) something hitting fan blades, NOTE this one will stop buzzing at night.
2: Air conditioner with a problem
3: Bees' nest
__________________
Home is where I park it!
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02-23-2014, 01:12 PM
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#5
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Community Moderator
Newmar Owners Club
Join Date: Feb 2011
Location: Point Pleasant Beach, NJ
Posts: 31,248
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Can you borrow a ladder to get up on the roof? I hink you need to isolate exactly whats causing the noise.
__________________
Tony & Ruth........... FMCA#F416727
2016 London Aire 4519, Freightliner chassis, Cummins ISX, 2018 Jeep Wrangler Unlimited, Blue Ox Avail with AF1. TST 507 TPMS
No amount of money can buy you an extra second of time.
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02-23-2014, 01:14 PM
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#6
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Senior Member
Fleetwood Owners Club American Coach Owners Club
Join Date: Mar 2011
Posts: 6,754
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Exhaust fan running?
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2014 American Eagle 45T
DD 13, 500 HP
Pulling a Honda CRV
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02-23-2014, 01:20 PM
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#7
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Senior Member
Join Date: Aug 2010
Location: Over the next hill, around the next curve...
Posts: 5,659
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Bees or wasp nests do make a sound...
With all power off, if you still hear it - could tell you that you are now the potential center of the next pod attack!
Good luck, and please let us know root cause,
Smitty
__________________
07 Country Coach Magna Rembrandt 45' ISX600
Roo II was our 04 Country Coach Allure 40'
OnDRoad for The JRNY! Enjoy life...
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02-23-2014, 02:16 PM
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#8
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Senior Member
Newmar Owners Club
Join Date: Jul 2006
Location: Wellington, Florida
Posts: 13,599
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Hi harelmover,
Somebody needs to get on the roof and isolate the noise. Because the coach is new to you, you do not know what the previous owner put on the roof. With the HVAC off, I know of no power to the roof units therefore no noise. If it is not the HVAC unit then it is an after market device of some kind.
__________________
Gary
2005 Newmar KSDP 3910 + GMC ENVOY XUV 37K lbs Moving Down The Road
The Avatar Is Many Times Around The USA
Nobody Knows Your Coach Like Somebody Who Owns One Just Like Yours
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02-23-2014, 02:24 PM
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#9
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Community Administrator
Join Date: Aug 2009
Posts: 53,379
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Welcome to irv2. Hope you find that noise. Please update us when you do.
Cliff
__________________
Cliff,Tallulah and Buddy ( 1999-2012 )
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02-23-2014, 04:18 PM
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#10
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Senior Member
Country Coach Owners Club
Join Date: Jan 2011
Posts: 1,204
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Which AC vent the one in the front of the coach or the one in the back in the bedroom. If it is in the back see if the noise is coming from an electrical outlet probably a GFI. I had one and it took some time to track it down and that was what it was. The buzz is caused by a modified sine wave inverter and the GFI. See the post under Country Coach owners forum at this site also entitled Buzzzzzzz. It only makes the noise when the inverter is on.
Good Luck
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02-23-2014, 05:54 PM
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#11
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Senior Member
Damon Owners Club
Join Date: Dec 2013
Location: GA
Posts: 196
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Do you have an in motion satellite dish on the roof? If so find the switch to turn the in motion off.
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02-24-2014, 01:56 PM
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#12
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Junior Member
Join Date: Feb 2014
Posts: 8
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buzzing noise
Thanks for all the response and suggestions. We wil find a ladder tall enough and see exactly where this annoying buzz is coming from and let you all know what we find out at sometime in the near future. Definitely not a bee's nest! Thanks again
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02-25-2014, 06:56 AM
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#13
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Senior Member
Join Date: Nov 2013
Location: Florida
Posts: 294
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Turn all of your breakers off then turn them on one at a time until the buzzing starts. That will help until you can get on the roof.
It has been alluded to and you never specifically mentioned it but, it does not buzz when the power is off right?
__________________
1998 Bounder 36s V10 F53
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