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Old 01-17-2016, 09:02 AM   #15
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Smile Fixed???

So I removed both tanks and weighed them. The main tank still had plenty of propane and the reserve tank was just about full. So I switched tanks and pointed the switch over to the tank that had not been working and lo and behold, the stove top lit up just fine. So I shut off the valve on the main tank, the indicator went to red, and the flame on the stove kept burning indicating that the switchover had worked perfectly.
So I'm not sure what could have been wrong last night. I did read somewhere on the internet that someone had done the same thing - switching tanks and somehow everything righted itself.
Weird. But of course I'm relieved. It's starting to get cold even here in central Florida.

Richard
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Old 01-17-2016, 09:29 AM   #16
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Thanks - I didn''t know that!

Quote:
Originally Posted by pattydoug View Post
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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I haven't had the problem, but now that I know the sequence, hopefully I can avoid it.

Al
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Old 01-17-2016, 09:55 AM   #17
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One more thing.......I read where it was important to open the valves slowly. I can't remember the reason but it was something like....opening the valve to the tank increases the pressure to the regulator quickly and can cause problems.

Has anyone else heard of this?

And, I didn't mean to insult you when I asked if your spare tank's valve was open. There are many "common sense" things out there that are not so clear to some new owners. I am glad that your system is working.
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Old 01-17-2016, 10:01 AM   #18
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Yes, with the OPD valves we use today there is an emergency shutdown feature, too fast a flow, the valve shuts off.

When you first connect the tank, if you open it fast and completely, the rapid flow may make the valve think there is a line break and shut off the tank.

So, when you connect a new or newly refilled tank, open the valve slowly, to allow the pressure to build up but not fast enough so the tank valve safety feature activates.
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Old 01-17-2016, 10:05 AM   #19
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One more thing.......I read where it was important to open the valves slowly. I can't remember the reason but it was something like....opening the valve to the tank increases the pressure to the regulator quickly and can cause problems.

Has anyone else heard of this?

And, I didn't mean to insult you when I asked if your spare tank's valve was open. There are many "common sense" things out there that are not so clear to some new owners. I am glad that your system is working.
No offense taken. I know that sometimes the silliest things cause problems And I too have read that opening a tank too fast locks it out.
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Old 01-17-2016, 11:23 AM   #20
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I had a similar problem with the regulator. While in 7 degree iced over conditions we ran out of propane at 3AM. The regulator never changed to red and had both tanks open. So I purchased a 1500 watt portable space heater.

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Old 01-17-2016, 11:30 AM   #21
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The Sturgis regulators installed on the late production 2016's were recalled, but I suspect your problem may be caused by another issue with them that I discovered. On mine (and at least one other that I replaced for another forum member), the switchover lever had some "springback" that caused the lever to slowly move back to an intermediate position that shut off the gas flow. On the bad units, when you move the lever to select the primary cylinder, you will feel and see the lever move backwards bit when you release it. It will eventually shut off. Rotating it to the other cylinder makes everything work for a while until it shuts off again. The time can range from 15-20 minutes to a couple hours. I confirmed this by taping the lever in place - gas was still working 8 hours later.

This is not what the regulator was recalled for, but it is likely the issue you had if you have a Sturgis regulator. Replace it with a Cavegna or Marshall.
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Old 01-17-2016, 01:18 PM   #22
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Quote:
Originally Posted by pattydoug View Post
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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Thanks for this. I had the same problem with green showing and waking to empty tanks and no chance for coffee. When I took the TT in for some warranty work the AS dealer said they checked the regulator function, auto switchover and found all to be good. They didn't tell me about sequence of opening tank valves or opening them slowly so hopefully this will restore my confidence in using the auto switchover function.
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Old 01-17-2016, 02:40 PM   #23
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some 2016 regulators have been recalled

We have a 2016 Serenity. Heading to the dealer this Friday to have our recalled regulator replaced. Check with your dealer to see if your coach falls under the recall. Good luck!
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Old 01-17-2016, 03:19 PM   #24
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Originally Posted by khollister View Post
The Sturgis regulators installed on the late production 2016's were recalled, but I suspect your problem may be caused by another issue with them that I discovered. On mine (and at least one other that I replaced for another forum member), the switchover lever had some "springback" that caused the lever to slowly move back to an intermediate position that shut off the gas flow. On the bad units, when you move the lever to select the primary cylinder, you will feel and see the lever move backwards bit when you release it. It will eventually shut off. Rotating it to the other cylinder makes everything work for a while until it shuts off again. The time can range from 15-20 minutes to a couple hours. I confirmed this by taping the lever in place - gas was still working 8 hours later.

This is not what the regulator was recalled for, but it is likely the issue you had if you have a Sturgis regulator. Replace it with a Cavegna or Marshall.

Thanks. If it happens again, I'll replace the regulator as you suggest.

Richard
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Old 01-24-2016, 06:43 AM   #25
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By the way, I just packed up to store the beast, and when I shut off both gas valves, the indicator remained green. I shut off the reserve tank first. Is this normal behavior?
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Old 01-24-2016, 06:54 AM   #26
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By the way, I just packed up to store the beast, and when I shut off both gas valves, the indicator remained green. I shut off the reserve tank first. Is this normal behavior?
Yes, it will stay green until pressure is lost in the lines between the yanks and regulator. If you turn on the stove, it will turn red in a couple of minutes.
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Old 01-24-2016, 01:01 PM   #27
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At my first rally a nice gentleman with a vintage trailer came over to look at mine, a new to me used model. He shared several tips with me. One was to NOT use the auto switching feature on a regulator. The reason being that if you open both tanks it can empty both tanks before you know it and then you are out without warning. I ran out my first trip but partly because one of the lines had a leaky connection.

Now, I have a gauged tank that I use first with the other valve turned off. I switch over when needed and fill the tank with the gauge as needed. The heater uses a lot of propane.
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Old 01-24-2016, 02:47 PM   #28
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At my first rally a nice gentleman with a vintage trailer came over to look at mine, a new to me used model. He shared several tips with me. One was to NOT use the auto switching feature on a regulator. The reason being that if you open both tanks it can empty both tanks before you know it and then you are out without warning. I ran out my first trip but partly because one of the lines had a leaky connection.

Now, I have a gauged tank that I use first with the other valve turned off. I switch over when needed and fill the tank with the gauge as needed. The heater uses a lot of propane.
Well, the leak would have to be in the regulator itself, or downstream to drain both tanks. And you do/can have warnings:
1) odor
2) many of us have tank gauges and/or inside tank gauge monitors.
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