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Old 01-16-2016, 05:22 PM   #1
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Unhappy Regulator didn't switch over

Brand new FC 28. I've been in it a week. Just using stove top but did do a lasagna in the oven which was at 400 degrees for about 2 hours. Tonight the stovetop burner wouldn't light. I checked the propane tanks and the indicator was still green. I manually switched to the reserve tank and the burner turned on.
I thought the regulator should switch over automatically when a tank is empty and show red. That didn't happen. It also seems I used up a full tank of propane (assuming it is actually empty) which is odd unless using the oven can empty it that quickly. I didn't use the furnace and the frig is on AC.
Any ideas. Do I have a bad regulator? Anything else it could be?
Thanks in advance.
BTW, if it is a bad regulator, is this something I can replace myself or do I have to tow it to a service center? It is under warranty of course, being just a week old.

Richard
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Old 01-16-2016, 05:32 PM   #2
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The way it is supposed to work is when the selected tank is empty the indicator goes to red, indicating that the tank the lever says you are on is empty, but it switches over to the other tank. When you throw the lever, the indicator goes green. If the indicator was green but you had no propane at the stove, the switchover unit is probably bad. This is different from, but attached to the regulator. Contact your dealer. Maybe they will ship you a replacement or authorize replacement at a non-Airstream dealer near you.

Al
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Old 01-16-2016, 05:34 PM   #3
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Did you have both of the valves open?
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Old 01-16-2016, 05:36 PM   #4
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I have a 2015. The regulator will switch over... But not click red. How did I find that out? When it was 10 degrees in Golden, CO. Kept checking regulator day and night... Green. Then it got REALLY cold in the airstream. Went and lifted both tanks and both were empty.

The red indicator works for me about 25% of the time. Will be getting it replaced when I get home. Don't trust the indicator.
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Old 01-16-2016, 05:36 PM   #5
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Quote:
Originally Posted by Al and Missy View Post
The way it is supposed to work is when the selected tank is empty the indicator goes to red, indicating that the tank the lever says you are on is empty, but it switches over to the other tank. When you throw the lever, the indicator goes green. If the indicator was green but you had no propane at the stove, the switchover unit is probably bad. This is different from, but attached to the regulator. Contact your dealer. Maybe they will ship you a replacement or authorize replacement at a non-Airstream dealer near you.

Al
Thanks. Do you think the oven being on could have depleted the tank so fast? Is the indicator still being green with a presumably empty tank an indication that it's the switchover unit?
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Old 01-16-2016, 05:39 PM   #6
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Another variable is that one or both of your tanks were not full to start with. Call the dealer and ask for advice/replacement parts.
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Old 01-16-2016, 06:21 PM   #7
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Did you have both of the valves open?
Yes, of course.
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Old 01-16-2016, 06:28 PM   #8
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When ours went bad, Airstream sent a replacement unit and we installed it ourselves. We are still under warranty. Joe
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Old 01-16-2016, 06:59 PM   #9
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The oven doesn't use much. Don't think you could empty a 30# tank in a week unless you had the furnace running a lot.

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Old 01-16-2016, 07:05 PM   #10
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I am not sure that the propane tanks come full from the factory. I think, but not positive that they have to be filled by the dealer, so you may have empty tanks.

The dealer should have filled them pre delivery.

The switchover operates on tank pressure, if both were low or empty, it may not happen.
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Old 01-16-2016, 10:30 PM   #11
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I would pull the tank and lift/shake it to see if it seems empty.

Not likely your problem, but I noticed you're in Ohio. Been cold lately? If some moisture gets in the system, it can freeze and impact regulator function. Not common, but I had it happen once.
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Old 01-17-2016, 05:33 AM   #12
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I would pull the tank and lift/shake it to see if it seems empty.

Not likely your problem, but I noticed you're in Ohio. Been cold lately? If some moisture gets in the system, it can freeze and impact regulator function. Not common, but I had it happen once.
Actually, we're in Lakeland Florida at the moment.
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Old 01-17-2016, 07:53 AM   #13
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Some 2016 Airstream trailers have an LP regulator/changeover valve that are under recall, as they do strange and not-so-wonderful things. The regulator in question really doesn't have a red indicator, the green indicator still is visible, it just drops into the assembly.
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Old 01-17-2016, 08:04 AM   #14
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The switch over function is basically a pressure sensing device that senses the pressure in the lines on each side. If you open the valve on the standby tank first the regulator can become "confused" and not "see" the low pressure on the tank in use. This is easy to do when you arrive at your rv site after traveling. Bottom line is don't be too sure your regulator is bad. Too many variables at this point. Have both tanks filled, hook them back up; select your running tank on the selector, then open that tanks valve first, then the standby tank. Indicator should show green. Then close the running tanks valve and turn your stove on. Regulator should see low pressure on the "running" tank and switch to the standby and the indicator should turn red. If it does it is working.


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