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Old 06-17-2012, 07:50 AM   #1
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High pitch squeal from fuse panel

An having an intermittent squeal for fuse panel. Very high pitched like a dog whistle. Has anyone had this issue? I am still having terrible cable reception and lose it all together when lights from fridge slide are turned on. Planning to fake I. But trying to get thru two trips before dealer. New 320rs
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Old 06-17-2012, 08:13 AM   #2
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The squeal sounds like a cooling fan in the power center.

As to the cable reception; check the tiny black button on the antenna/cable wall plate.

That button switched reception from the roof antenna to the park cable inlet. If the light is on you have selected the roof and disconnected the cable port. Light off; you have de-selected the roof and selected the outside cable.
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File Type: pdf Winegard Wall PLate Amp.pdf (143.1 KB, 26 views)
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Old 06-17-2012, 08:25 AM   #3
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Thx. Yeah it's Definately not the antennae amp. It is strange about reception I've seen others on here with same issue.
As for the panel, I even pulled the 15a fuse that feeds the slide that has the antenna amp so that I could look at and make sure not just a simple loose connection. When I pulled the fuse the same high frequency squeal appeared and immediately stopped when fuse was replaced.
Going to take to dealer after the two summer trips
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Old 06-17-2012, 09:52 AM   #4
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Quote:
Originally Posted by rugmanrn
An having an intermittent squeal for fuse panel. Very high pitched like a dog whistle. Has anyone had this issue? I am still having terrible cable reception and lose it all together when lights from fridge slide are turned on. Planning to fake I. But trying to get thru two trips before dealer. New 320rs
The dreaded wfco fan motor dieing.
Ask them if they'll install a progressive dynamics replacement.
Pay the difference and move on.
Assuming u have a wfco now
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Old 06-17-2012, 01:34 PM   #5
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Really doesn't sound like a fan. When pulling the fuse as I described the sound comes on instantly and stops instantly. No winding down etc
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Old 06-17-2012, 01:38 PM   #6
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When filter capacitors die they can scream too.
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Old 07-01-2012, 03:36 PM   #7
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Still sounds like a fan to me since I had a similar experience. I kept hearing a whine and thought something was wrong so I dismantled until I could actually see the fans. I suppose they are temperature-activated. They go on and off at short intervals sometimes. The intervals change depending on the demand. More lights and stuff running and the fans will run more. I hope I am being accurate - this is simply what I think I know! Take a look in there and see what you think.
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Old 07-01-2012, 03:51 PM   #8
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Originally Posted by tinkerreknit View Post
Still sounds like a fan to me since I had a similar experience. I kept hearing a whine and thought something was wrong so I dismantled until I could actually see the fans. I suppose they are temperature-activated. They go on and off at short intervals sometimes. The intervals change depending on the demand. More lights and stuff running and the fans will run more. I hope I am being accurate - this is simply what I think I know! Take a look in there and see what you think.
You are correct as to how the fan works; and yes they can make a racket when the bearing surfaces die.
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Old 07-02-2012, 06:37 PM   #9
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It's been a while since the original post - would like to hear what has happened since. Lou, you are a fountain of knowledge! I appreciate you.
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Old 07-02-2012, 06:48 PM   #10
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Does it do this when everything is off and battery fully charged? Mine does that I turn on 1 light and it goes away. I was told on another forum that it was the converter switching and was normal . I usually leave the yellow outside light on to stop the noise.

Checkout this thread on this
http://www.rv.net/forum/index.cfm/fu...5.cfm#16406975
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