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Old 05-09-2021, 12:36 PM   #1
Junior Member
 
Brand: Thor Motor Coach
Model: Hurricane
State: Virginia
Posts: 22
THOR #11117
Fan Noise Under Bed

I am hearing a fan noise that sounds like it's behind my fuse box / circuit breaker under the bed on my Thor Hurricane 34J. When I unplug from 50AMP power, it stops. Is there perhaps a fan that cools something under there that has to do with the power? Any ideas? Kinda seems logical that their might be. But, I never noticed the noise before and I only hear it when I lay down on the floor to look at the fuse box that's at the bottom of the bed frame as you enter the master suite.

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Old 05-09-2021, 01:05 PM   #2
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Brand: Thor Motor Coach
Model: challenger
State: Alabama
Posts: 28
THOR #21263
the transfer switch is under the bed in my challenger.if plugged in to power you will hear the switch humming.
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Old 05-09-2021, 01:09 PM   #3
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Brand: Keystone
Model: Sprinter
State: Florida
Posts: 1,422
THOR #15553
The fan is the cooling fan on your converter that is behind the fuse box. It charges your battery and provides 12 volts to the many control circuits and lighting in the RV.
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Old 05-09-2021, 01:30 PM   #4
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Brand: Thor Motor Coach
Model: Hurricane
State: Virginia
Posts: 22
THOR #11117
Thanks so much for the replies. This forum is great!

Dave Merritt, Chester, VA
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