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Old 06-13-2013, 08:52 AM   #1
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Unhappy Fan-tastic fan won't stop running

Our 5th wheel has a Fan-tastic fan and it's awesome BUT last night we left it running since it was so hot at the campground. I woke this morning to the wheel turning and not stopping. The vent was turned off at the control on the wall/thermostat but the wheel was grinding away, like it was trying to open or close. I turned the thermostat back on and off, flipped the in/out switch, nothing. It continued to run (the auto/manual wheel on the fan). I tried pulling the fuse..... nothing, it continues to run. Anyone have this same problem?

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Old 06-13-2013, 08:58 AM   #2
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Your raise and lower knob may not be engaged. Try pushing in, or pulling it out. It may be that the thermostat is trying to close the vent but the knob is not engaged, and therefore just keeps turning.

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Old 06-13-2013, 09:02 AM   #3
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If you pulled the fuse and it still runs, I would have to guess it is either miswired or the fuse is mislabeled... or you have figured out a way to create wireless electricity. Are you sure it's actually running and not just turning due to airflow thru the vanes?
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Old 06-13-2013, 09:05 AM   #4
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There are a couple of circuit boards in the roof to control the fan functions, and there a several different model levels of fantastic fan , but to keep running with the fuse removed .
If you have info on the fan ; owners manual , model number; give Fantastic Fan a call and see if they can help.
Is it possible that the auto/ manual , knob got pulled to the manual ( down ) position , and just needs to be pushed up to re-engage the drive?
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Old 06-13-2013, 10:50 AM   #5
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Just had this happen t me. The vent motor has a short attachment on the motor gear that engages with the teeth on your vent raise bar. The teeth in the extension are striped & not engaging. you can hold the the turning knob & the resistance should stop the motor from turning. Much like it does when the vent closes or opens. Then call Fantastic & they will help you out with a new motor.

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Old 06-15-2013, 06:24 AM   #6
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Awesome suggestions for the Fan-tastic

I was getting ready to call the company BUT my wonderful and smart husband got it to stop by holding onto the knob that raises and lowers the vent. He then proceeded to take it apart and found that the knob-stop was broken. The knob stops when it hits the plastic "stop" because of resistance.

We're in Weiser, ID and the only place to go was the local hardware. He took the broken "stop" and found something that would work perfectly. Now the fan is fixed. We use this fan all of the time, so it was really important to get it fixed.

Thanks to all of you for your great suggestions!
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Old 06-15-2013, 06:27 AM   #7
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That was a good ending. Thanks for the update. If you could post a photo or description of what hubby bought to fix it , that would be helpful to others. Thanks


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