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Old 01-11-2019, 06:36 PM   #1
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Fantastic Fan, Dining Room Lights and Bath Fan not working

Hello. I have a 2016 Classic 30. My Fantastic Fan, Dining Room Lights and Bath fan do not work, whether on battery power or plugged in. All Circuit Breakers and fuses look good. Any suggestions or recommendations on where I should look for the problem? Thank you.
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Old 01-11-2019, 06:46 PM   #2
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Check all outlets for ground fault button and make sure it's in the right position.
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Old 01-11-2019, 09:13 PM   #3
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Your problem is the 12volt system, not 120v. So 120v breakers or ground fault buttons are not involved.
If some 12v things are working, then that proves the 12v breaker that feeds the 12v distribution panel is good.

That leaves individual circuit fuses, or the wires or devices on the circuit beyond the fuse for that circuit that does not work, as the problem. I would suspect fuses.
How did you check the 12v fuses? Some that look good can be bad.

You could try moving the fuses into different positions (of equal amps) within the fuse panel. If the problem moves with the relocation of a fuse then you know it is a bad fuse. If it blows a fuse then you know there is a problem with that circuit. (hope you have some spare fuses)
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Old 01-11-2019, 10:18 PM   #4
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Thank you for your responses, Majorairhead and A W Warn.

I did trace the fuses that deal with these devices and replaced them with new fuses if similar amps. Still not working.
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Old 01-11-2019, 10:35 PM   #5
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Did these all work and just stop at once? The usual cause of 12 volt problems is a bad ground. You will probably have to take each apart and check for a good connection and ground. Also check the switches for each unit. Electrical can be a nightmare, but start from the easiest first and work back. Good luck!! Chris
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Old 01-11-2019, 10:52 PM   #6
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I would next check the wire connector just beneath the fuse to see that the wire is inserted correctly and that the screw/clamp holding the wire is tightened properly. You may have to remove the cover, so be careful with the 120/240v electric. Disconnect first!

If that is not the problem, the next step is to go to each device that is not working and check for loose wire connections and testing with a multi-meter at each device to prove whether or not it is getting correct voltage.

There is a separate fuse in the Fantastic fan, covered by a ~1/2" round black button. Turn the button counter clockwise then pull the cap downward. The fuse should come out easily.
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Old 01-12-2019, 12:30 AM   #7
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Thanks Chris. Actually, we were out over the holidays. I was plugged in as well. One evening all these three devices were not working. I checked breakers and fuses but found all in order.

The next morning, for some reason, all these devices worked again. We towed the AS back to storage and put it away. Today I went to the AS and these same devices are again not working.

A W Warn, thank you as well for your responses and advise. Being that the three devices go out (or work) at the same time, it most likely a common wire or fuse or ground. What I donít understand is that the fuse that serves these devices also serves the furnace (which seems to be operating normally).
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Old 01-12-2019, 02:37 PM   #8
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Check the ground bus where all the white wires connect to a single bar. One or more may be loose. If all are tight, make a ground jumper and go from the ground bus to each non working fixture to see if there is an open some where in between. The next step is to get a signal probe and start tracing the circuit. They are not very expensive.
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Old 01-12-2019, 03:03 PM   #9
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<<snip>> Being that the three devices go out (or work) at the same time, it most likely a common wire or fuse or ground. What I donít understand is that the fuse that serves these devices also serves the furnace (which seems to be operating normally).
If the furnace is on that circuit, then I would look at the furnace for a loose connection.
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Old 01-12-2019, 07:32 PM   #10
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Often fixtures are "daisy chained" i.e. the hot and ground wires go to one fixture where they are connected to the fixture and a wire pair going on to the next fixture. Pull the fuse for the circuit that isn't working to identify everything on that circuit. Then start at the one closest to the battery. Open it up and check connections. If good, move to the next, etc. until you have checked them all. As previously mentioned check the power wire at the fuse panel and all the wires on the 12V ground buss bar.

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Old 01-12-2019, 07:44 PM   #11
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Thank you, guskmg, AW Warm and Al! I will try these out and hopefully get it resolved. Much appreciated.
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Old 01-13-2019, 03:01 PM   #12
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Just for the heck of it, try using your dogbone adapter (50a-30a) and plug in to the 30-amp side of your power pedestal.

If things then work normally, the issue will be with the 50a side of the pedestal. I have had that problem at two different campgrounds.

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Old 01-13-2019, 03:33 PM   #13
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Just for the heck of it, try using your dogbone adapter (50a-30a) and plug in to the 30-amp side of your power pedestal.

If things then work normally, the issue will be with the 50a side of the pedestal. I have had that problem at two different campgrounds.

Pat
OP has a 12 volt problem. If anything is working, it is not related to shore power input.

Al
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Old 01-14-2019, 09:41 AM   #14
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Except when it does:

My issue was that one of the legs at the 50amp side at the pedestal was not hot. It happened to be the leg that serviced the charger/converter, and as I was "plugged in" I was not aware that I was running down my batteries. Strange things happen to your 12v system when you take those down to low levels.

Switching down to the 30amp side cured all the problems.

Cheap and no harm trying.

Pat
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