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Old 10-08-2012, 05:02 PM   #1
Triple E Owners Club
Join Date: Aug 2012
Posts: 52
Electric/electronic range exhaust fan question

I know that there are many smart folks here so I will ask this question.

The fan in our rv's range hood doesn't work. I farted around with my meter and found that I have 12 volts going to the fan. There is some kind of inline resistor (maybe, it looks like what a resistor looks like if I remember my high school electronics course, but it could well be something else).

At any rate I have 12 v going into said device but I do not pick up any current on my 50v setting on my meter past this gismo (resistor). Should there be? Do these fans run on 12v? I thought I read 13.5v on the motor itself, which seems pretty lose to 12v to me.

The unit appears to be one piece, what is normal, toss all including light and shroud, etc. and replace or is there a way to replace just the motor?

Thanks for your help.


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Old 10-08-2012, 05:06 PM   #2
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They run on 12v and so you need to adjust your meter. Be sure to replace with 12 motor.

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Old 10-08-2012, 05:09 PM   #3
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Sounds to me like the Resistor your talking about is really a Fuseable Link. You can test this theory by shorting out the link and seeing if the fan runs. Don't do it for long the fuse is there for a reason. Finding the value of the Link is a bit more difficult but it may have a color code or part number one it. It can be replaced with a normal fuse if you know the value.

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Old 10-08-2012, 05:24 PM   #4
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Thanks guys. I did try jumping across to the fan terminal with 12v but no dice.

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Old 10-09-2012, 09:31 PM   #5
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Dick you hit the nail right on the head, thank-you.

I wonder how many people know that there is a flat spring tucked in the housing that needs to be pulled out in order for the flapper to open?

The flapper itself was warped and may of stopped the fan from turning and this caused the fuseable link to go.

Mighty poor engineering I think.

Thanks again to the both of you for your help.

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Old 10-10-2012, 08:10 AM   #6
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If the device is firmly attached to the motor body then it is probably a thermal safety device that cuts off power to the motor if it gets too hot. This would have happened if the fan blades were prevented from turning. It should re-connect once the motor cools down. Too many cycles may have caused it to fail in the open state.

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